diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d2016cf95..77943b2bab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/Makefile.am b/Makefile.am
index cbd9eab2d0..1ae3bdb0d3 100755
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/autogen.sh b/autogen.sh
index 43eaa0c11c..4e9890f276 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/build.cmd b/build.cmd
index a342e7b766..02dcbd98f7 100644
--- a/build.cmd
+++ b/build.cmd
@@ -1,5 +1,5 @@
 REM ###########################################################################
-REM #  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+REM #  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 REM #
 REM #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 REM #
diff --git a/builds/cmake/CMakeLists.txt b/builds/cmake/CMakeLists.txt
index 3a4185e353..2a7350fd7d 100644
--- a/builds/cmake/CMakeLists.txt
+++ b/builds/cmake/CMakeLists.txt
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/cmake/modules/FindDl.cmake b/builds/cmake/modules/FindDl.cmake
index 49c38cf7d0..e3b5ca12e3 100644
--- a/builds/cmake/modules/FindDl.cmake
+++ b/builds/cmake/modules/FindDl.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin developers (see COPYING).
 #
 ###############################################################################
 # Finddl
diff --git a/builds/cmake/modules/FindIcu-I18N.cmake b/builds/cmake/modules/FindIcu-I18N.cmake
index 2c67738a4d..1c3fd7f052 100644
--- a/builds/cmake/modules/FindIcu-I18N.cmake
+++ b/builds/cmake/modules/FindIcu-I18N.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/cmake/modules/FindPng.cmake b/builds/cmake/modules/FindPng.cmake
index 89fd7ac382..01451dfe96 100644
--- a/builds/cmake/modules/FindPng.cmake
+++ b/builds/cmake/modules/FindPng.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/cmake/modules/FindQrencode.cmake b/builds/cmake/modules/FindQrencode.cmake
index d3c8236bae..ab08a1c943 100644
--- a/builds/cmake/modules/FindQrencode.cmake
+++ b/builds/cmake/modules/FindQrencode.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/cmake/modules/FindRt.cmake b/builds/cmake/modules/FindRt.cmake
index 8003b68be4..03975e6582 100644
--- a/builds/cmake/modules/FindRt.cmake
+++ b/builds/cmake/modules/FindRt.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin developers (see COPYING).
 #
 ###############################################################################
 # Findrt
diff --git a/builds/cmake/modules/FindSecp256K1.cmake b/builds/cmake/modules/FindSecp256K1.cmake
index 55fb5a6e9b..808c57fe4d 100644
--- a/builds/cmake/modules/FindSecp256K1.cmake
+++ b/builds/cmake/modules/FindSecp256K1.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-consensus developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-consensus developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/msvc/debug.natvis b/builds/msvc/debug.natvis
index d8fd8fda4d..2974ee50db 100644
--- a/builds/msvc/debug.natvis
+++ b/builds/msvc/debug.natvis
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system-examples/libbitcoin-system-examples.vcxproj b/builds/msvc/vs2022/libbitcoin-system-examples/libbitcoin-system-examples.vcxproj
index ecdc0c78a4..74560ba271 100644
--- a/builds/msvc/vs2022/libbitcoin-system-examples/libbitcoin-system-examples.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-system-examples/libbitcoin-system-examples.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system-examples/libbitcoin-system-examples.vcxproj.filters b/builds/msvc/vs2022/libbitcoin-system-examples/libbitcoin-system-examples.vcxproj.filters
index 3e2a08d7dd..22b6a4ad0a 100644
--- a/builds/msvc/vs2022/libbitcoin-system-examples/libbitcoin-system-examples.vcxproj.filters
+++ b/builds/msvc/vs2022/libbitcoin-system-examples/libbitcoin-system-examples.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system-examples/packages.config b/builds/msvc/vs2022/libbitcoin-system-examples/packages.config
index 698197f612..1095244f99 100644
--- a/builds/msvc/vs2022/libbitcoin-system-examples/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-system-examples/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system-test/libbitcoin-system-test.vcxproj b/builds/msvc/vs2022/libbitcoin-system-test/libbitcoin-system-test.vcxproj
index cbdfbdb00e..bf743dbcc3 100644
--- a/builds/msvc/vs2022/libbitcoin-system-test/libbitcoin-system-test.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-system-test/libbitcoin-system-test.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system-test/libbitcoin-system-test.vcxproj.filters b/builds/msvc/vs2022/libbitcoin-system-test/libbitcoin-system-test.vcxproj.filters
index 5f4d08ba0f..30161b6ace 100644
--- a/builds/msvc/vs2022/libbitcoin-system-test/libbitcoin-system-test.vcxproj.filters
+++ b/builds/msvc/vs2022/libbitcoin-system-test/libbitcoin-system-test.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system-test/packages.config b/builds/msvc/vs2022/libbitcoin-system-test/packages.config
index 9237b81691..2150742eaf 100644
--- a/builds/msvc/vs2022/libbitcoin-system-test/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-system-test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system/libbitcoin-system.vcxproj b/builds/msvc/vs2022/libbitcoin-system/libbitcoin-system.vcxproj
index b941537d96..e7a6e32db7 100644
--- a/builds/msvc/vs2022/libbitcoin-system/libbitcoin-system.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-system/libbitcoin-system.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system/libbitcoin-system.vcxproj.filters b/builds/msvc/vs2022/libbitcoin-system/libbitcoin-system.vcxproj.filters
index 96733c97c8..00a8b634e6 100644
--- a/builds/msvc/vs2022/libbitcoin-system/libbitcoin-system.vcxproj.filters
+++ b/builds/msvc/vs2022/libbitcoin-system/libbitcoin-system.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-system/packages.config b/builds/msvc/vs2022/libbitcoin-system/packages.config
index 698197f612..1095244f99 100644
--- a/builds/msvc/vs2022/libbitcoin-system/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-system/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/configure.ac b/configure.ac
index 03f139874e..ba9cd4ebba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/examples/main.cpp b/examples/main.cpp
index c6ab0641b5..a8317e7858 100644
--- a/examples/main.cpp
+++ b/examples/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system.hpp b/include/bitcoin/system.hpp
index 3cc79691c6..cf29450aed 100755
--- a/include/bitcoin/system.hpp
+++ b/include/bitcoin/system.hpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+// Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 //
 //        GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 //
diff --git a/include/bitcoin/system/allocator.hpp b/include/bitcoin/system/allocator.hpp
index e6b884e2f9..e54216f5ba 100644
--- a/include/bitcoin/system/allocator.hpp
+++ b/include/bitcoin/system/allocator.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/arena.hpp b/include/bitcoin/system/arena.hpp
index fd6758a888..ae7f88cc69 100644
--- a/include/bitcoin/system/arena.hpp
+++ b/include/bitcoin/system/arena.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/boost.hpp b/include/bitcoin/system/boost.hpp
index f413ceabbd..99ea946e5e 100644
--- a/include/bitcoin/system/boost.hpp
+++ b/include/bitcoin/system/boost.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/annex.hpp b/include/bitcoin/system/chain/annex.hpp
index e8a6d267be..10e3927c0a 100644
--- a/include/bitcoin/system/chain/annex.hpp
+++ b/include/bitcoin/system/chain/annex.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/block.hpp b/include/bitcoin/system/chain/block.hpp
index 2e4bde6596..cff6febb94 100644
--- a/include/bitcoin/system/chain/block.hpp
+++ b/include/bitcoin/system/chain/block.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/chain.hpp b/include/bitcoin/system/chain/chain.hpp
index 8b8da93f8a..04ef2257e7 100644
--- a/include/bitcoin/system/chain/chain.hpp
+++ b/include/bitcoin/system/chain/chain.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/chain_state.hpp b/include/bitcoin/system/chain/chain_state.hpp
index 505ecfa6cc..3ce82605a3 100644
--- a/include/bitcoin/system/chain/chain_state.hpp
+++ b/include/bitcoin/system/chain/chain_state.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/checkpoint.hpp b/include/bitcoin/system/chain/checkpoint.hpp
index 6f79d05bac..8c851d2da4 100644
--- a/include/bitcoin/system/chain/checkpoint.hpp
+++ b/include/bitcoin/system/chain/checkpoint.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/compact.hpp b/include/bitcoin/system/chain/compact.hpp
index 93ba9478e3..70c2f70459 100644
--- a/include/bitcoin/system/chain/compact.hpp
+++ b/include/bitcoin/system/chain/compact.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/context.hpp b/include/bitcoin/system/chain/context.hpp
index fa283678f2..cc239ca293 100644
--- a/include/bitcoin/system/chain/context.hpp
+++ b/include/bitcoin/system/chain/context.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/coverage.hpp b/include/bitcoin/system/chain/enums/coverage.hpp
index 4b8e005ccf..ed5d6a7336 100644
--- a/include/bitcoin/system/chain/enums/coverage.hpp
+++ b/include/bitcoin/system/chain/enums/coverage.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/extension.hpp b/include/bitcoin/system/chain/enums/extension.hpp
index 1ce3dc0bac..3e06fbc72b 100644
--- a/include/bitcoin/system/chain/enums/extension.hpp
+++ b/include/bitcoin/system/chain/enums/extension.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/flags.hpp b/include/bitcoin/system/chain/enums/flags.hpp
index 7a331046e9..1cf6981466 100644
--- a/include/bitcoin/system/chain/enums/flags.hpp
+++ b/include/bitcoin/system/chain/enums/flags.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/key_version.hpp b/include/bitcoin/system/chain/enums/key_version.hpp
index 2fc180e1e3..6f7a225385 100644
--- a/include/bitcoin/system/chain/enums/key_version.hpp
+++ b/include/bitcoin/system/chain/enums/key_version.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/magic_numbers.hpp b/include/bitcoin/system/chain/enums/magic_numbers.hpp
index e6d0eb760b..bc9b32eaeb 100644
--- a/include/bitcoin/system/chain/enums/magic_numbers.hpp
+++ b/include/bitcoin/system/chain/enums/magic_numbers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/numbers.hpp b/include/bitcoin/system/chain/enums/numbers.hpp
index e4f5fffb56..fc0fd3b28e 100644
--- a/include/bitcoin/system/chain/enums/numbers.hpp
+++ b/include/bitcoin/system/chain/enums/numbers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/opcode.hpp b/include/bitcoin/system/chain/enums/opcode.hpp
index b9c1a5a940..4af937c7da 100644
--- a/include/bitcoin/system/chain/enums/opcode.hpp
+++ b/include/bitcoin/system/chain/enums/opcode.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/policy.hpp b/include/bitcoin/system/chain/enums/policy.hpp
index 60ec7dd3b8..4c07642437 100644
--- a/include/bitcoin/system/chain/enums/policy.hpp
+++ b/include/bitcoin/system/chain/enums/policy.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/script_pattern.hpp b/include/bitcoin/system/chain/enums/script_pattern.hpp
index 6f44d807f3..4352ed68af 100644
--- a/include/bitcoin/system/chain/enums/script_pattern.hpp
+++ b/include/bitcoin/system/chain/enums/script_pattern.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/script_version.hpp b/include/bitcoin/system/chain/enums/script_version.hpp
index c2fe366ad9..b4cbfa9c51 100644
--- a/include/bitcoin/system/chain/enums/script_version.hpp
+++ b/include/bitcoin/system/chain/enums/script_version.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/enums/selection.hpp b/include/bitcoin/system/chain/enums/selection.hpp
index 2b3546d950..54a8d75c52 100644
--- a/include/bitcoin/system/chain/enums/selection.hpp
+++ b/include/bitcoin/system/chain/enums/selection.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/header.hpp b/include/bitcoin/system/chain/header.hpp
index 00fd8cb509..95e8b7374d 100644
--- a/include/bitcoin/system/chain/header.hpp
+++ b/include/bitcoin/system/chain/header.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/input.hpp b/include/bitcoin/system/chain/input.hpp
index 2d50a6c75f..61aca9c2ee 100644
--- a/include/bitcoin/system/chain/input.hpp
+++ b/include/bitcoin/system/chain/input.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/operation.hpp b/include/bitcoin/system/chain/operation.hpp
index c57c7b6cde..77b871f1d1 100644
--- a/include/bitcoin/system/chain/operation.hpp
+++ b/include/bitcoin/system/chain/operation.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/outpoint.hpp b/include/bitcoin/system/chain/outpoint.hpp
index d9b397e977..3365f30b61 100644
--- a/include/bitcoin/system/chain/outpoint.hpp
+++ b/include/bitcoin/system/chain/outpoint.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/output.hpp b/include/bitcoin/system/chain/output.hpp
index 30253ea098..9647a49897 100644
--- a/include/bitcoin/system/chain/output.hpp
+++ b/include/bitcoin/system/chain/output.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/point.hpp b/include/bitcoin/system/chain/point.hpp
index 9783cdb26b..acb78b60f3 100644
--- a/include/bitcoin/system/chain/point.hpp
+++ b/include/bitcoin/system/chain/point.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/prevout.hpp b/include/bitcoin/system/chain/prevout.hpp
index 09f8040e27..0d08524df7 100644
--- a/include/bitcoin/system/chain/prevout.hpp
+++ b/include/bitcoin/system/chain/prevout.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/script.hpp b/include/bitcoin/system/chain/script.hpp
index 53733af944..c48ad5bb51 100644
--- a/include/bitcoin/system/chain/script.hpp
+++ b/include/bitcoin/system/chain/script.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/stripper.hpp b/include/bitcoin/system/chain/stripper.hpp
index 4e5ade2502..4cc9af7c26 100644
--- a/include/bitcoin/system/chain/stripper.hpp
+++ b/include/bitcoin/system/chain/stripper.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/taproot.hpp b/include/bitcoin/system/chain/taproot.hpp
index f5aa8f829a..aa3beb4d5e 100644
--- a/include/bitcoin/system/chain/taproot.hpp
+++ b/include/bitcoin/system/chain/taproot.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/tapscript.hpp b/include/bitcoin/system/chain/tapscript.hpp
index c8a85b19b8..e561f268f4 100644
--- a/include/bitcoin/system/chain/tapscript.hpp
+++ b/include/bitcoin/system/chain/tapscript.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/transaction.hpp b/include/bitcoin/system/chain/transaction.hpp
index 88a8d9b6bf..fe6eb7f97d 100644
--- a/include/bitcoin/system/chain/transaction.hpp
+++ b/include/bitcoin/system/chain/transaction.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/chain/witness.hpp b/include/bitcoin/system/chain/witness.hpp
index 3ee1b6d932..f8bd5f9a5d 100644
--- a/include/bitcoin/system/chain/witness.hpp
+++ b/include/bitcoin/system/chain/witness.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/authority.hpp b/include/bitcoin/system/config/authority.hpp
index 2ec7a77b78..1029dda208 100644
--- a/include/bitcoin/system/config/authority.hpp
+++ b/include/bitcoin/system/config/authority.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/base16.hpp b/include/bitcoin/system/config/base16.hpp
index efb4e04621..0a0b8d04ab 100644
--- a/include/bitcoin/system/config/base16.hpp
+++ b/include/bitcoin/system/config/base16.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/base2.hpp b/include/bitcoin/system/config/base2.hpp
index 4ae8ca004a..47fd2faf52 100644
--- a/include/bitcoin/system/config/base2.hpp
+++ b/include/bitcoin/system/config/base2.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/base32.hpp b/include/bitcoin/system/config/base32.hpp
index b240204731..f220ecbf4b 100644
--- a/include/bitcoin/system/config/base32.hpp
+++ b/include/bitcoin/system/config/base32.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/base58.hpp b/include/bitcoin/system/config/base58.hpp
index 7b5e00c24a..65f90adfb2 100644
--- a/include/bitcoin/system/config/base58.hpp
+++ b/include/bitcoin/system/config/base58.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/base64.hpp b/include/bitcoin/system/config/base64.hpp
index a79344d2d7..316b6999b3 100644
--- a/include/bitcoin/system/config/base64.hpp
+++ b/include/bitcoin/system/config/base64.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/base85.hpp b/include/bitcoin/system/config/base85.hpp
index ec69360e26..0b0b36e42b 100644
--- a/include/bitcoin/system/config/base85.hpp
+++ b/include/bitcoin/system/config/base85.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/block.hpp b/include/bitcoin/system/config/block.hpp
index 70e66efebb..f9a9ec6e12 100644
--- a/include/bitcoin/system/config/block.hpp
+++ b/include/bitcoin/system/config/block.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/config.hpp b/include/bitcoin/system/config/config.hpp
index 9f7ab489cd..0874cd49b0 100644
--- a/include/bitcoin/system/config/config.hpp
+++ b/include/bitcoin/system/config/config.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/endpoint.hpp b/include/bitcoin/system/config/endpoint.hpp
index 539ae00b9d..19b36a0a13 100644
--- a/include/bitcoin/system/config/endpoint.hpp
+++ b/include/bitcoin/system/config/endpoint.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/hash160.hpp b/include/bitcoin/system/config/hash160.hpp
index 11b472d459..9b4eaec505 100644
--- a/include/bitcoin/system/config/hash160.hpp
+++ b/include/bitcoin/system/config/hash160.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/hash256.hpp b/include/bitcoin/system/config/hash256.hpp
index 93c421ad46..a20fd9dfe0 100644
--- a/include/bitcoin/system/config/hash256.hpp
+++ b/include/bitcoin/system/config/hash256.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/header.hpp b/include/bitcoin/system/config/header.hpp
index 9b7dba542c..c8af2b4686 100644
--- a/include/bitcoin/system/config/header.hpp
+++ b/include/bitcoin/system/config/header.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/input.hpp b/include/bitcoin/system/config/input.hpp
index 07f30a74c3..7a1347e88b 100644
--- a/include/bitcoin/system/config/input.hpp
+++ b/include/bitcoin/system/config/input.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/output.hpp b/include/bitcoin/system/config/output.hpp
index 29d15c292a..ce4d20b6c9 100644
--- a/include/bitcoin/system/config/output.hpp
+++ b/include/bitcoin/system/config/output.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/parameter.hpp b/include/bitcoin/system/config/parameter.hpp
index 7446eec15f..24a12a6493 100644
--- a/include/bitcoin/system/config/parameter.hpp
+++ b/include/bitcoin/system/config/parameter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/parser.hpp b/include/bitcoin/system/config/parser.hpp
index 6c1e339845..a676bf7770 100644
--- a/include/bitcoin/system/config/parser.hpp
+++ b/include/bitcoin/system/config/parser.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/point.hpp b/include/bitcoin/system/config/point.hpp
index 4ed1e200d0..2d55a7a36c 100644
--- a/include/bitcoin/system/config/point.hpp
+++ b/include/bitcoin/system/config/point.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/printer.hpp b/include/bitcoin/system/config/printer.hpp
index 9016a37f47..0582813ab3 100644
--- a/include/bitcoin/system/config/printer.hpp
+++ b/include/bitcoin/system/config/printer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/script.hpp b/include/bitcoin/system/config/script.hpp
index e7e44ffbdf..8e086eefe2 100644
--- a/include/bitcoin/system/config/script.hpp
+++ b/include/bitcoin/system/config/script.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/transaction.hpp b/include/bitcoin/system/config/transaction.hpp
index a22c35b1f9..25a60518f3 100644
--- a/include/bitcoin/system/config/transaction.hpp
+++ b/include/bitcoin/system/config/transaction.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/url.hpp b/include/bitcoin/system/config/url.hpp
index ce72e27856..14e7e0db80 100644
--- a/include/bitcoin/system/config/url.hpp
+++ b/include/bitcoin/system/config/url.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/utilities.hpp b/include/bitcoin/system/config/utilities.hpp
index 07ab66fa63..9f37d27c1b 100644
--- a/include/bitcoin/system/config/utilities.hpp
+++ b/include/bitcoin/system/config/utilities.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/config/version.hpp b/include/bitcoin/system/config/version.hpp
index 86fda560e8..a37b22af65 100644
--- a/include/bitcoin/system/config/version.hpp
+++ b/include/bitcoin/system/config/version.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/constants.hpp b/include/bitcoin/system/constants.hpp
index c496dd383d..e9576da72f 100644
--- a/include/bitcoin/system/constants.hpp
+++ b/include/bitcoin/system/constants.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/constraints.hpp b/include/bitcoin/system/constraints.hpp
index e20a7aed3f..aea6040b61 100644
--- a/include/bitcoin/system/constraints.hpp
+++ b/include/bitcoin/system/constraints.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/crypto/aes256.hpp b/include/bitcoin/system/crypto/aes256.hpp
index a1e9266fd5..8eb97f4135 100644
--- a/include/bitcoin/system/crypto/aes256.hpp
+++ b/include/bitcoin/system/crypto/aes256.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/crypto/crypto.hpp b/include/bitcoin/system/crypto/crypto.hpp
index 7beafe1c5a..e35b8f48d4 100644
--- a/include/bitcoin/system/crypto/crypto.hpp
+++ b/include/bitcoin/system/crypto/crypto.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/crypto/der_parser.hpp b/include/bitcoin/system/crypto/der_parser.hpp
index dd76bbf8ab..4504e1ea8f 100644
--- a/include/bitcoin/system/crypto/der_parser.hpp
+++ b/include/bitcoin/system/crypto/der_parser.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/crypto/pseudo_random.hpp b/include/bitcoin/system/crypto/pseudo_random.hpp
index 099a1b46c7..b06e67dc92 100644
--- a/include/bitcoin/system/crypto/pseudo_random.hpp
+++ b/include/bitcoin/system/crypto/pseudo_random.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/crypto/ring_signature.hpp b/include/bitcoin/system/crypto/ring_signature.hpp
index 765b8151b7..ffa2bffbda 100644
--- a/include/bitcoin/system/crypto/ring_signature.hpp
+++ b/include/bitcoin/system/crypto/ring_signature.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/crypto/secp256k1.hpp b/include/bitcoin/system/crypto/secp256k1.hpp
index f3987e2d10..2f676801dd 100644
--- a/include/bitcoin/system/crypto/secp256k1.hpp
+++ b/include/bitcoin/system/crypto/secp256k1.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/array_cast.hpp b/include/bitcoin/system/data/array_cast.hpp
index 28b8371011..a819e85dfd 100644
--- a/include/bitcoin/system/data/array_cast.hpp
+++ b/include/bitcoin/system/data/array_cast.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/byte_cast.hpp b/include/bitcoin/system/data/byte_cast.hpp
index 09ec5c3be3..4b9730b651 100644
--- a/include/bitcoin/system/data/byte_cast.hpp
+++ b/include/bitcoin/system/data/byte_cast.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/collection.hpp b/include/bitcoin/system/data/collection.hpp
index e5d675134f..fce2ba1757 100644
--- a/include/bitcoin/system/data/collection.hpp
+++ b/include/bitcoin/system/data/collection.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/data.hpp b/include/bitcoin/system/data/data.hpp
index 3f14fba2f3..18d33594a2 100644
--- a/include/bitcoin/system/data/data.hpp
+++ b/include/bitcoin/system/data/data.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/data_array.hpp b/include/bitcoin/system/data/data_array.hpp
index ccdef0a5a0..5577ccb62d 100644
--- a/include/bitcoin/system/data/data_array.hpp
+++ b/include/bitcoin/system/data/data_array.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/data_chunk.hpp b/include/bitcoin/system/data/data_chunk.hpp
index 5d0c140c02..f3e62d6e8b 100644
--- a/include/bitcoin/system/data/data_chunk.hpp
+++ b/include/bitcoin/system/data/data_chunk.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/data_reference.hpp b/include/bitcoin/system/data/data_reference.hpp
index 03ea89dba7..4d335a94f9 100644
--- a/include/bitcoin/system/data/data_reference.hpp
+++ b/include/bitcoin/system/data/data_reference.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/data_slab.hpp b/include/bitcoin/system/data/data_slab.hpp
index ed85511a49..e2c41be3f9 100644
--- a/include/bitcoin/system/data/data_slab.hpp
+++ b/include/bitcoin/system/data/data_slab.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/data_slice.hpp b/include/bitcoin/system/data/data_slice.hpp
index f8c64d3fbe..81840502d2 100644
--- a/include/bitcoin/system/data/data_slice.hpp
+++ b/include/bitcoin/system/data/data_slice.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/exclusive_slice.hpp b/include/bitcoin/system/data/exclusive_slice.hpp
index 90f7794fbc..797c649171 100644
--- a/include/bitcoin/system/data/exclusive_slice.hpp
+++ b/include/bitcoin/system/data/exclusive_slice.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/external_ptr.hpp b/include/bitcoin/system/data/external_ptr.hpp
index 37b9b172f0..c047c58df0 100644
--- a/include/bitcoin/system/data/external_ptr.hpp
+++ b/include/bitcoin/system/data/external_ptr.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/iterable.hpp b/include/bitcoin/system/data/iterable.hpp
index 3e5c616027..e83839f0a9 100644
--- a/include/bitcoin/system/data/iterable.hpp
+++ b/include/bitcoin/system/data/iterable.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/memory.hpp b/include/bitcoin/system/data/memory.hpp
index 243ff4100b..23e1c34095 100644
--- a/include/bitcoin/system/data/memory.hpp
+++ b/include/bitcoin/system/data/memory.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/no_fill_allocator.hpp b/include/bitcoin/system/data/no_fill_allocator.hpp
index 4008ae229f..eb8662b96e 100644
--- a/include/bitcoin/system/data/no_fill_allocator.hpp
+++ b/include/bitcoin/system/data/no_fill_allocator.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/data/string.hpp b/include/bitcoin/system/data/string.hpp
index f2b86713b6..06ac291ea7 100644
--- a/include/bitcoin/system/data/string.hpp
+++ b/include/bitcoin/system/data/string.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/define.hpp b/include/bitcoin/system/define.hpp
index 977ef0d7e2..0958b8d56b 100644
--- a/include/bitcoin/system/define.hpp
+++ b/include/bitcoin/system/define.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/batch.hpp b/include/bitcoin/system/endian/batch.hpp
index b6d95844f2..ff877153b5 100644
--- a/include/bitcoin/system/endian/batch.hpp
+++ b/include/bitcoin/system/endian/batch.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/endian.hpp b/include/bitcoin/system/endian/endian.hpp
index 3b7be6569f..94eaab1009 100644
--- a/include/bitcoin/system/endian/endian.hpp
+++ b/include/bitcoin/system/endian/endian.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/integers.hpp b/include/bitcoin/system/endian/integers.hpp
index 2bc0bcc6e9..1b2a2d1327 100644
--- a/include/bitcoin/system/endian/integers.hpp
+++ b/include/bitcoin/system/endian/integers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/integrals.hpp b/include/bitcoin/system/endian/integrals.hpp
index 477ffc7bda..c12a8a0853 100644
--- a/include/bitcoin/system/endian/integrals.hpp
+++ b/include/bitcoin/system/endian/integrals.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/minimal.hpp b/include/bitcoin/system/endian/minimal.hpp
index cc1396d3d2..c108a03d41 100644
--- a/include/bitcoin/system/endian/minimal.hpp
+++ b/include/bitcoin/system/endian/minimal.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/nominal.hpp b/include/bitcoin/system/endian/nominal.hpp
index 9869d34725..7c7c8dcebe 100644
--- a/include/bitcoin/system/endian/nominal.hpp
+++ b/include/bitcoin/system/endian/nominal.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/stream.hpp b/include/bitcoin/system/endian/stream.hpp
index 8d34ede79c..1af6f6f46d 100644
--- a/include/bitcoin/system/endian/stream.hpp
+++ b/include/bitcoin/system/endian/stream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/swaps.hpp b/include/bitcoin/system/endian/swaps.hpp
index 4dd26e3f08..c85e2f0f72 100644
--- a/include/bitcoin/system/endian/swaps.hpp
+++ b/include/bitcoin/system/endian/swaps.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/uintx_t.hpp b/include/bitcoin/system/endian/uintx_t.hpp
index d8b014e27f..3853f9c851 100644
--- a/include/bitcoin/system/endian/uintx_t.hpp
+++ b/include/bitcoin/system/endian/uintx_t.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/endian/unsafe.hpp b/include/bitcoin/system/endian/unsafe.hpp
index 1535c82d0e..a07cdecc2b 100644
--- a/include/bitcoin/system/endian/unsafe.hpp
+++ b/include/bitcoin/system/endian/unsafe.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/error/block_error_t.hpp b/include/bitcoin/system/error/block_error_t.hpp
index a8d49b692e..7c2910f32c 100644
--- a/include/bitcoin/system/error/block_error_t.hpp
+++ b/include/bitcoin/system/error/block_error_t.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/error/error.hpp b/include/bitcoin/system/error/error.hpp
index 97e893a7bf..05c1e36968 100644
--- a/include/bitcoin/system/error/error.hpp
+++ b/include/bitcoin/system/error/error.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/error/error_t.hpp b/include/bitcoin/system/error/error_t.hpp
index 83aa84c08f..adcae2b3e8 100644
--- a/include/bitcoin/system/error/error_t.hpp
+++ b/include/bitcoin/system/error/error_t.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/error/errorno_t.hpp b/include/bitcoin/system/error/errorno_t.hpp
index 579ff983ca..349aee4dec 100644
--- a/include/bitcoin/system/error/errorno_t.hpp
+++ b/include/bitcoin/system/error/errorno_t.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/error/macros.hpp b/include/bitcoin/system/error/macros.hpp
index 4c97cd9057..c62f0f0573 100644
--- a/include/bitcoin/system/error/macros.hpp
+++ b/include/bitcoin/system/error/macros.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/error/op_error_t.hpp b/include/bitcoin/system/error/op_error_t.hpp
index 01f52d7fc2..5615310334 100644
--- a/include/bitcoin/system/error/op_error_t.hpp
+++ b/include/bitcoin/system/error/op_error_t.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/error/script_error_t.hpp b/include/bitcoin/system/error/script_error_t.hpp
index f6b5542a25..4acc1f7229 100644
--- a/include/bitcoin/system/error/script_error_t.hpp
+++ b/include/bitcoin/system/error/script_error_t.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/error/transaction_error_t.hpp b/include/bitcoin/system/error/transaction_error_t.hpp
index f6f14920df..c62b1b672a 100644
--- a/include/bitcoin/system/error/transaction_error_t.hpp
+++ b/include/bitcoin/system/error/transaction_error_t.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/exceptions.hpp b/include/bitcoin/system/exceptions.hpp
index 2e2811168b..27d8794e55 100644
--- a/include/bitcoin/system/exceptions.hpp
+++ b/include/bitcoin/system/exceptions.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/filter/bloom.hpp b/include/bitcoin/system/filter/bloom.hpp
index 7677212313..9ea6b1a235 100644
--- a/include/bitcoin/system/filter/bloom.hpp
+++ b/include/bitcoin/system/filter/bloom.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/filter/filter.hpp b/include/bitcoin/system/filter/filter.hpp
index 79c866edfb..13e3c1054b 100644
--- a/include/bitcoin/system/filter/filter.hpp
+++ b/include/bitcoin/system/filter/filter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/filter/golomb.hpp b/include/bitcoin/system/filter/golomb.hpp
index df4c982c0c..e13df479f3 100644
--- a/include/bitcoin/system/filter/golomb.hpp
+++ b/include/bitcoin/system/filter/golomb.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/filter/sieve.hpp b/include/bitcoin/system/filter/sieve.hpp
index 15bfb349be..68434420aa 100644
--- a/include/bitcoin/system/filter/sieve.hpp
+++ b/include/bitcoin/system/filter/sieve.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/forks.hpp b/include/bitcoin/system/forks.hpp
index 772c65442b..6072c02f32 100644
--- a/include/bitcoin/system/forks.hpp
+++ b/include/bitcoin/system/forks.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/funclets.hpp b/include/bitcoin/system/funclets.hpp
index 34eb27e587..88927caf9a 100644
--- a/include/bitcoin/system/funclets.hpp
+++ b/include/bitcoin/system/funclets.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/accumulator.hpp b/include/bitcoin/system/hash/accumulator.hpp
index ef1a9354a8..9510dc8560 100644
--- a/include/bitcoin/system/hash/accumulator.hpp
+++ b/include/bitcoin/system/hash/accumulator.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/algorithm.hpp b/include/bitcoin/system/hash/algorithm.hpp
index 18bb88f60a..585d1fa000 100644
--- a/include/bitcoin/system/hash/algorithm.hpp
+++ b/include/bitcoin/system/hash/algorithm.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/algorithms.hpp b/include/bitcoin/system/hash/algorithms.hpp
index 4c742ef713..503ed228d3 100644
--- a/include/bitcoin/system/hash/algorithms.hpp
+++ b/include/bitcoin/system/hash/algorithms.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/checksum.hpp b/include/bitcoin/system/hash/checksum.hpp
index 2406d02f01..ec29c9523d 100644
--- a/include/bitcoin/system/hash/checksum.hpp
+++ b/include/bitcoin/system/hash/checksum.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/functions.hpp b/include/bitcoin/system/hash/functions.hpp
index ab3bf1abdc..b709164927 100644
--- a/include/bitcoin/system/hash/functions.hpp
+++ b/include/bitcoin/system/hash/functions.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/hash.hpp b/include/bitcoin/system/hash/hash.hpp
index 664af5d231..0dfc27c351 100644
--- a/include/bitcoin/system/hash/hash.hpp
+++ b/include/bitcoin/system/hash/hash.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/hmac.hpp b/include/bitcoin/system/hash/hmac.hpp
index ba81dc5f64..f6b4f243fe 100644
--- a/include/bitcoin/system/hash/hmac.hpp
+++ b/include/bitcoin/system/hash/hmac.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/pbkd.hpp b/include/bitcoin/system/hash/pbkd.hpp
index ac9cee01e9..974662df34 100644
--- a/include/bitcoin/system/hash/pbkd.hpp
+++ b/include/bitcoin/system/hash/pbkd.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/rmd/algorithm.hpp b/include/bitcoin/system/hash/rmd/algorithm.hpp
index adef0a8737..66ea32b77a 100644
--- a/include/bitcoin/system/hash/rmd/algorithm.hpp
+++ b/include/bitcoin/system/hash/rmd/algorithm.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/rmd/rmd.hpp b/include/bitcoin/system/hash/rmd/rmd.hpp
index ef829a2090..2b9c770df8 100644
--- a/include/bitcoin/system/hash/rmd/rmd.hpp
+++ b/include/bitcoin/system/hash/rmd/rmd.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/rmd/rmd128.hpp b/include/bitcoin/system/hash/rmd/rmd128.hpp
index d310e1fa64..d31e3bbc17 100644
--- a/include/bitcoin/system/hash/rmd/rmd128.hpp
+++ b/include/bitcoin/system/hash/rmd/rmd128.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/rmd/rmd160.hpp b/include/bitcoin/system/hash/rmd/rmd160.hpp
index b24a6a40a7..33ed7c7c2b 100644
--- a/include/bitcoin/system/hash/rmd/rmd160.hpp
+++ b/include/bitcoin/system/hash/rmd/rmd160.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/scrypt.hpp b/include/bitcoin/system/hash/scrypt.hpp
index 6edfbd3257..067b150e12 100644
--- a/include/bitcoin/system/hash/scrypt.hpp
+++ b/include/bitcoin/system/hash/scrypt.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/sha/algorithm.hpp b/include/bitcoin/system/hash/sha/algorithm.hpp
index d4cbfe05a4..4d0ada50af 100644
--- a/include/bitcoin/system/hash/sha/algorithm.hpp
+++ b/include/bitcoin/system/hash/sha/algorithm.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/sha/sha.hpp b/include/bitcoin/system/hash/sha/sha.hpp
index 7c778edf65..adb45de9b8 100644
--- a/include/bitcoin/system/hash/sha/sha.hpp
+++ b/include/bitcoin/system/hash/sha/sha.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/sha/sha160.hpp b/include/bitcoin/system/hash/sha/sha160.hpp
index 793e288f80..e7955bc5db 100644
--- a/include/bitcoin/system/hash/sha/sha160.hpp
+++ b/include/bitcoin/system/hash/sha/sha160.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/sha/sha256.hpp b/include/bitcoin/system/hash/sha/sha256.hpp
index 89f7f27971..8ed0f45f29 100644
--- a/include/bitcoin/system/hash/sha/sha256.hpp
+++ b/include/bitcoin/system/hash/sha/sha256.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/sha/sha512.hpp b/include/bitcoin/system/hash/sha/sha512.hpp
index 52692367f8..d56ab33a18 100644
--- a/include/bitcoin/system/hash/sha/sha512.hpp
+++ b/include/bitcoin/system/hash/sha/sha512.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/hash/siphash.hpp b/include/bitcoin/system/hash/siphash.hpp
index 5e4e0fcc0d..36e3552dea 100644
--- a/include/bitcoin/system/hash/siphash.hpp
+++ b/include/bitcoin/system/hash/siphash.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/have.hpp b/include/bitcoin/system/have.hpp
index 7e28fa1d1b..13547431aa 100644
--- a/include/bitcoin/system/have.hpp
+++ b/include/bitcoin/system/have.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/chain/annex.ipp b/include/bitcoin/system/impl/chain/annex.ipp
index 1d48e458b9..ac56b9f212 100644
--- a/include/bitcoin/system/impl/chain/annex.ipp
+++ b/include/bitcoin/system/impl/chain/annex.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/chain/compact.ipp b/include/bitcoin/system/impl/chain/compact.ipp
index dbadcd4d8f..48e16f6248 100644
--- a/include/bitcoin/system/impl/chain/compact.ipp
+++ b/include/bitcoin/system/impl/chain/compact.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/chain/operation_patterns.ipp b/include/bitcoin/system/impl/chain/operation_patterns.ipp
index 34c03b1df8..6f408eee37 100644
--- a/include/bitcoin/system/impl/chain/operation_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/operation_patterns.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/chain/script_patterns.ipp b/include/bitcoin/system/impl/chain/script_patterns.ipp
index 63e309fcab..bce4d2caf9 100644
--- a/include/bitcoin/system/impl/chain/script_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/script_patterns.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/chain/tapscript.ipp b/include/bitcoin/system/impl/chain/tapscript.ipp
index 4217989d11..b11fb1252e 100644
--- a/include/bitcoin/system/impl/chain/tapscript.ipp
+++ b/include/bitcoin/system/impl/chain/tapscript.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/chain/transaction_patterns.ipp b/include/bitcoin/system/impl/chain/transaction_patterns.ipp
index f0c4b2694a..230c125b3c 100644
--- a/include/bitcoin/system/impl/chain/transaction_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/transaction_patterns.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/chain/witness_patterns.ipp b/include/bitcoin/system/impl/chain/witness_patterns.ipp
index 21c7565798..4b78e815c3 100644
--- a/include/bitcoin/system/impl/chain/witness_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/witness_patterns.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/array_cast.ipp b/include/bitcoin/system/impl/data/array_cast.ipp
index c8901abbbf..f680fd1e12 100644
--- a/include/bitcoin/system/impl/data/array_cast.ipp
+++ b/include/bitcoin/system/impl/data/array_cast.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/byte_cast.ipp b/include/bitcoin/system/impl/data/byte_cast.ipp
index ebcea7b242..9c18dc0a16 100644
--- a/include/bitcoin/system/impl/data/byte_cast.ipp
+++ b/include/bitcoin/system/impl/data/byte_cast.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/collection.ipp b/include/bitcoin/system/impl/data/collection.ipp
index bd71896c77..3dcf3aa49b 100644
--- a/include/bitcoin/system/impl/data/collection.ipp
+++ b/include/bitcoin/system/impl/data/collection.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/data_array.ipp b/include/bitcoin/system/impl/data/data_array.ipp
index ea75c306e9..a4ded99ff2 100644
--- a/include/bitcoin/system/impl/data/data_array.ipp
+++ b/include/bitcoin/system/impl/data/data_array.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/data_reference.ipp b/include/bitcoin/system/impl/data/data_reference.ipp
index 6bfa93dccb..e510a47948 100644
--- a/include/bitcoin/system/impl/data/data_reference.ipp
+++ b/include/bitcoin/system/impl/data/data_reference.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/data_slab.ipp b/include/bitcoin/system/impl/data/data_slab.ipp
index af4158f43b..b246d4f973 100644
--- a/include/bitcoin/system/impl/data/data_slab.ipp
+++ b/include/bitcoin/system/impl/data/data_slab.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/data_slice.ipp b/include/bitcoin/system/impl/data/data_slice.ipp
index c0fb272af8..e4fcfa721b 100644
--- a/include/bitcoin/system/impl/data/data_slice.ipp
+++ b/include/bitcoin/system/impl/data/data_slice.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/external_ptr.ipp b/include/bitcoin/system/impl/data/external_ptr.ipp
index 06dbcb9a77..9bdc820556 100644
--- a/include/bitcoin/system/impl/data/external_ptr.ipp
+++ b/include/bitcoin/system/impl/data/external_ptr.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/data/memory.ipp b/include/bitcoin/system/impl/data/memory.ipp
index bdf79ecb7c..defc49cb1a 100644
--- a/include/bitcoin/system/impl/data/memory.ipp
+++ b/include/bitcoin/system/impl/data/memory.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/batch.ipp b/include/bitcoin/system/impl/endian/batch.ipp
index 2b553e1fb2..5c849b2c55 100644
--- a/include/bitcoin/system/impl/endian/batch.ipp
+++ b/include/bitcoin/system/impl/endian/batch.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/integers.ipp b/include/bitcoin/system/impl/endian/integers.ipp
index 39c7eb6621..3b0d5fe03c 100644
--- a/include/bitcoin/system/impl/endian/integers.ipp
+++ b/include/bitcoin/system/impl/endian/integers.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/integrals.ipp b/include/bitcoin/system/impl/endian/integrals.ipp
index 098ab0d208..7f448e8d2c 100644
--- a/include/bitcoin/system/impl/endian/integrals.ipp
+++ b/include/bitcoin/system/impl/endian/integrals.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/minimal.ipp b/include/bitcoin/system/impl/endian/minimal.ipp
index 202f33705a..9a0edfed0d 100644
--- a/include/bitcoin/system/impl/endian/minimal.ipp
+++ b/include/bitcoin/system/impl/endian/minimal.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/nominal.ipp b/include/bitcoin/system/impl/endian/nominal.ipp
index c843092497..cd9a2fa6db 100644
--- a/include/bitcoin/system/impl/endian/nominal.ipp
+++ b/include/bitcoin/system/impl/endian/nominal.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/stream.ipp b/include/bitcoin/system/impl/endian/stream.ipp
index bde84c7e0b..bbd6aa086a 100644
--- a/include/bitcoin/system/impl/endian/stream.ipp
+++ b/include/bitcoin/system/impl/endian/stream.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/swaps.ipp b/include/bitcoin/system/impl/endian/swaps.ipp
index 70ddaf0a2f..d248627a12 100644
--- a/include/bitcoin/system/impl/endian/swaps.ipp
+++ b/include/bitcoin/system/impl/endian/swaps.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/uintx_t.ipp b/include/bitcoin/system/impl/endian/uintx_t.ipp
index da4c901068..83271f1619 100644
--- a/include/bitcoin/system/impl/endian/uintx_t.ipp
+++ b/include/bitcoin/system/impl/endian/uintx_t.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/endian/unsafe.ipp b/include/bitcoin/system/impl/endian/unsafe.ipp
index 8dafc14be0..6a2a013bc2 100644
--- a/include/bitcoin/system/impl/endian/unsafe.ipp
+++ b/include/bitcoin/system/impl/endian/unsafe.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/filter/bloom.ipp b/include/bitcoin/system/impl/filter/bloom.ipp
index 04b3fda657..dc36a5e6e6 100644
--- a/include/bitcoin/system/impl/filter/bloom.ipp
+++ b/include/bitcoin/system/impl/filter/bloom.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/filter/sieve.ipp b/include/bitcoin/system/impl/filter/sieve.ipp
index 461e982229..041952ff49 100644
--- a/include/bitcoin/system/impl/filter/sieve.ipp
+++ b/include/bitcoin/system/impl/filter/sieve.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/accumulator.ipp b/include/bitcoin/system/impl/hash/accumulator.ipp
index d18220f393..2625779209 100644
--- a/include/bitcoin/system/impl/hash/accumulator.ipp
+++ b/include/bitcoin/system/impl/hash/accumulator.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/checksum.ipp b/include/bitcoin/system/impl/hash/checksum.ipp
index 5936d6c1a3..f7ad217111 100644
--- a/include/bitcoin/system/impl/hash/checksum.ipp
+++ b/include/bitcoin/system/impl/hash/checksum.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/functions.ipp b/include/bitcoin/system/impl/hash/functions.ipp
index a28b1e167a..8d6d484a84 100644
--- a/include/bitcoin/system/impl/hash/functions.ipp
+++ b/include/bitcoin/system/impl/hash/functions.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/hmac.ipp b/include/bitcoin/system/impl/hash/hmac.ipp
index 35b4ee5168..d7930a9185 100644
--- a/include/bitcoin/system/impl/hash/hmac.ipp
+++ b/include/bitcoin/system/impl/hash/hmac.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/pbkd.ipp b/include/bitcoin/system/impl/hash/pbkd.ipp
index f445ad6a10..a6f0a30f03 100644
--- a/include/bitcoin/system/impl/hash/pbkd.ipp
+++ b/include/bitcoin/system/impl/hash/pbkd.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/rmd/algorithm.ipp b/include/bitcoin/system/impl/hash/rmd/algorithm.ipp
index 997839781f..839c4b80b8 100644
--- a/include/bitcoin/system/impl/hash/rmd/algorithm.ipp
+++ b/include/bitcoin/system/impl/hash/rmd/algorithm.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/scrypt.ipp b/include/bitcoin/system/impl/hash/scrypt.ipp
index 148b6dc6bb..4656033af5 100644
--- a/include/bitcoin/system/impl/hash/scrypt.ipp
+++ b/include/bitcoin/system/impl/hash/scrypt.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_compress.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_compress.ipp
index 0b15f94671..4487ed93a4 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_compress.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_compress.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_double.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_double.ipp
index 88613bfeec..831f6d509b 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_double.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_double.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_functions.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_functions.ipp
index 2af3fe6f79..8eb8a59793 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_functions.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_functions.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_iterate.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_iterate.ipp
index f5c3aaf7c9..b96d03ad08 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_iterate.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_iterate.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_konstant.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_konstant.ipp
index 98ea291110..1685b5221c 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_konstant.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_konstant.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_merkle.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_merkle.ipp
index 2ef679eb81..d9348fb270 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_merkle.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_merkle.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_midstate.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_midstate.ipp
index 94a09c9e60..6f702fa132 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_midstate.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_midstate.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_native.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_native.ipp
index 1747bc7f36..dff60479b4 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_native.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_native.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_padding.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_padding.ipp
index 7acdebaa49..abf88072ef 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_padding.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_padding.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_parsing.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_parsing.ipp
index 6db2c222ae..2d6cc24092 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_parsing.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_parsing.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_schedule.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_schedule.ipp
index 4b78865f5d..8072721c1f 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_schedule.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_schedule.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_sigma.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_sigma.ipp
index a23164227f..b05fb226b9 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_sigma.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_sigma.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_single.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_single.ipp
index 77df90a084..60a5de605f 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_single.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_single.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/hash/sha/algorithm_stream.ipp b/include/bitcoin/system/impl/hash/sha/algorithm_stream.ipp
index d72db0fe67..342776767a 100644
--- a/include/bitcoin/system/impl/hash/sha/algorithm_stream.ipp
+++ b/include/bitcoin/system/impl/hash/sha/algorithm_stream.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/interpreter.ipp b/include/bitcoin/system/impl/machine/interpreter.ipp
index 040cd2df02..76a7351dbf 100644
--- a/include/bitcoin/system/impl/machine/interpreter.ipp
+++ b/include/bitcoin/system/impl/machine/interpreter.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/interpreter_connect.ipp b/include/bitcoin/system/impl/machine/interpreter_connect.ipp
index 3b2f6a4b46..0c50629af6 100644
--- a/include/bitcoin/system/impl/machine/interpreter_connect.ipp
+++ b/include/bitcoin/system/impl/machine/interpreter_connect.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/interpreter_run.ipp b/include/bitcoin/system/impl/machine/interpreter_run.ipp
index 821513344e..cadf9001f6 100644
--- a/include/bitcoin/system/impl/machine/interpreter_run.ipp
+++ b/include/bitcoin/system/impl/machine/interpreter_run.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/number_boolean.ipp b/include/bitcoin/system/impl/machine/number_boolean.ipp
index 55554c1134..090184b105 100644
--- a/include/bitcoin/system/impl/machine/number_boolean.ipp
+++ b/include/bitcoin/system/impl/machine/number_boolean.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/number_chunk.ipp b/include/bitcoin/system/impl/machine/number_chunk.ipp
index 2c468397f6..f59fa3314e 100644
--- a/include/bitcoin/system/impl/machine/number_chunk.ipp
+++ b/include/bitcoin/system/impl/machine/number_chunk.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/number_integer.ipp b/include/bitcoin/system/impl/machine/number_integer.ipp
index 40875ebcf2..8e6e47179b 100644
--- a/include/bitcoin/system/impl/machine/number_integer.ipp
+++ b/include/bitcoin/system/impl/machine/number_integer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/program.ipp b/include/bitcoin/system/impl/machine/program.ipp
index 4ef5c694eb..e970ef86ed 100644
--- a/include/bitcoin/system/impl/machine/program.ipp
+++ b/include/bitcoin/system/impl/machine/program.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/program_construct.ipp b/include/bitcoin/system/impl/machine/program_construct.ipp
index 890fb6d77e..fa3dc14b4f 100644
--- a/include/bitcoin/system/impl/machine/program_construct.ipp
+++ b/include/bitcoin/system/impl/machine/program_construct.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/program_sign.ipp b/include/bitcoin/system/impl/machine/program_sign.ipp
index 8317ce3fb7..833a7b48fc 100644
--- a/include/bitcoin/system/impl/machine/program_sign.ipp
+++ b/include/bitcoin/system/impl/machine/program_sign.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/stack.ipp b/include/bitcoin/system/impl/machine/stack.ipp
index b6e327b40c..e08bbf79bf 100644
--- a/include/bitcoin/system/impl/machine/stack.ipp
+++ b/include/bitcoin/system/impl/machine/stack.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/machine/stack_variant.ipp b/include/bitcoin/system/impl/machine/stack_variant.ipp
index f3d88d92d0..c4ccb7369e 100644
--- a/include/bitcoin/system/impl/machine/stack_variant.ipp
+++ b/include/bitcoin/system/impl/machine/stack_variant.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/addition.ipp b/include/bitcoin/system/impl/math/addition.ipp
index 3e7839759c..d5f60c5d99 100644
--- a/include/bitcoin/system/impl/math/addition.ipp
+++ b/include/bitcoin/system/impl/math/addition.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/bits.ipp b/include/bitcoin/system/impl/math/bits.ipp
index 8edadc5ef2..e65902d0b3 100644
--- a/include/bitcoin/system/impl/math/bits.ipp
+++ b/include/bitcoin/system/impl/math/bits.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/bytes.ipp b/include/bitcoin/system/impl/math/bytes.ipp
index 987377727e..4584c34654 100644
--- a/include/bitcoin/system/impl/math/bytes.ipp
+++ b/include/bitcoin/system/impl/math/bytes.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/byteswap.ipp b/include/bitcoin/system/impl/math/byteswap.ipp
index d1fe67d87e..2ce52234be 100644
--- a/include/bitcoin/system/impl/math/byteswap.ipp
+++ b/include/bitcoin/system/impl/math/byteswap.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/cast.ipp b/include/bitcoin/system/impl/math/cast.ipp
index d6f8d13756..bc76956ac6 100644
--- a/include/bitcoin/system/impl/math/cast.ipp
+++ b/include/bitcoin/system/impl/math/cast.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/division.ipp b/include/bitcoin/system/impl/math/division.ipp
index 1739132419..a868f41240 100644
--- a/include/bitcoin/system/impl/math/division.ipp
+++ b/include/bitcoin/system/impl/math/division.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/limits.ipp b/include/bitcoin/system/impl/math/limits.ipp
index 24473ae6dd..14beb4bac9 100644
--- a/include/bitcoin/system/impl/math/limits.ipp
+++ b/include/bitcoin/system/impl/math/limits.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/logarithm.ipp b/include/bitcoin/system/impl/math/logarithm.ipp
index 5e686cd88e..b7bf99beb0 100644
--- a/include/bitcoin/system/impl/math/logarithm.ipp
+++ b/include/bitcoin/system/impl/math/logarithm.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/multiplication.ipp b/include/bitcoin/system/impl/math/multiplication.ipp
index eb8ab505e7..471376805a 100644
--- a/include/bitcoin/system/impl/math/multiplication.ipp
+++ b/include/bitcoin/system/impl/math/multiplication.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/overflow.ipp b/include/bitcoin/system/impl/math/overflow.ipp
index 078752d0bf..48ade8d132 100644
--- a/include/bitcoin/system/impl/math/overflow.ipp
+++ b/include/bitcoin/system/impl/math/overflow.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/power.ipp b/include/bitcoin/system/impl/math/power.ipp
index cf3f36f79e..d69cb0db60 100644
--- a/include/bitcoin/system/impl/math/power.ipp
+++ b/include/bitcoin/system/impl/math/power.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/rotate.ipp b/include/bitcoin/system/impl/math/rotate.ipp
index 14cddce458..782eba0618 100644
--- a/include/bitcoin/system/impl/math/rotate.ipp
+++ b/include/bitcoin/system/impl/math/rotate.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/math/sign.ipp b/include/bitcoin/system/impl/math/sign.ipp
index b3102f5584..d4be7db34e 100644
--- a/include/bitcoin/system/impl/math/sign.ipp
+++ b/include/bitcoin/system/impl/math/sign.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/radix/base_16.ipp b/include/bitcoin/system/impl/radix/base_16.ipp
index 79af418282..3fc9cce9cf 100644
--- a/include/bitcoin/system/impl/radix/base_16.ipp
+++ b/include/bitcoin/system/impl/radix/base_16.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/radix/base_2n.ipp b/include/bitcoin/system/impl/radix/base_2n.ipp
index e4e11641f6..397c2bb0e8 100644
--- a/include/bitcoin/system/impl/radix/base_2n.ipp
+++ b/include/bitcoin/system/impl/radix/base_2n.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/radix/base_58.ipp b/include/bitcoin/system/impl/radix/base_58.ipp
index 41d6bd21ea..6dd23aebaf 100644
--- a/include/bitcoin/system/impl/radix/base_58.ipp
+++ b/include/bitcoin/system/impl/radix/base_58.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/serial/deserialize.ipp b/include/bitcoin/system/impl/serial/deserialize.ipp
index 4f492c3a68..d708fa0f42 100644
--- a/include/bitcoin/system/impl/serial/deserialize.ipp
+++ b/include/bitcoin/system/impl/serial/deserialize.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/serial/serialize.ipp b/include/bitcoin/system/impl/serial/serialize.ipp
index 132699d0d1..e54e3cac11 100644
--- a/include/bitcoin/system/impl/serial/serialize.ipp
+++ b/include/bitcoin/system/impl/serial/serialize.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/device.ipp b/include/bitcoin/system/impl/stream/device.ipp
index 775db6db48..78d19ebc27 100644
--- a/include/bitcoin/system/impl/stream/device.ipp
+++ b/include/bitcoin/system/impl/stream/device.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/iostream/iostream.ipp b/include/bitcoin/system/impl/stream/iostream/iostream.ipp
index 6d9481752a..4d4ecad230 100644
--- a/include/bitcoin/system/impl/stream/iostream/iostream.ipp
+++ b/include/bitcoin/system/impl/stream/iostream/iostream.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/iostream/istream.ipp b/include/bitcoin/system/impl/stream/iostream/istream.ipp
index a58eedb282..6a7ce89ca2 100644
--- a/include/bitcoin/system/impl/stream/iostream/istream.ipp
+++ b/include/bitcoin/system/impl/stream/iostream/istream.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/iostream/ostream.ipp b/include/bitcoin/system/impl/stream/iostream/ostream.ipp
index 6e14e9a39f..21ffdb4aa7 100644
--- a/include/bitcoin/system/impl/stream/iostream/ostream.ipp
+++ b/include/bitcoin/system/impl/stream/iostream/ostream.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/bit_reader.ipp b/include/bitcoin/system/impl/stream/streamers/bit_reader.ipp
index da30a3201a..b63cf24d74 100644
--- a/include/bitcoin/system/impl/stream/streamers/bit_reader.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/bit_reader.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/bit_writer.ipp b/include/bitcoin/system/impl/stream/streamers/bit_writer.ipp
index ee80b25226..3d5ebb8ca5 100644
--- a/include/bitcoin/system/impl/stream/streamers/bit_writer.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/bit_writer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/byte_reader.ipp b/include/bitcoin/system/impl/stream/streamers/byte_reader.ipp
index 21b54d06f8..006543307b 100644
--- a/include/bitcoin/system/impl/stream/streamers/byte_reader.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/byte_reader.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/byte_writer.ipp b/include/bitcoin/system/impl/stream/streamers/byte_writer.ipp
index a0e43b0dea..34e90fe8c1 100644
--- a/include/bitcoin/system/impl/stream/streamers/byte_writer.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/byte_writer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/hex_reader.ipp b/include/bitcoin/system/impl/stream/streamers/hex_reader.ipp
index 20bb3f0a40..7c0fbc3769 100644
--- a/include/bitcoin/system/impl/stream/streamers/hex_reader.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/hex_reader.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/hex_writer.ipp b/include/bitcoin/system/impl/stream/streamers/hex_writer.ipp
index f88843ea7b..a8055078f6 100644
--- a/include/bitcoin/system/impl/stream/streamers/hex_writer.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/hex_writer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/sha256_writer.ipp b/include/bitcoin/system/impl/stream/streamers/sha256_writer.ipp
index bc50e351e3..acb92fb288 100644
--- a/include/bitcoin/system/impl/stream/streamers/sha256_writer.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/sha256_writer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/sha256t_writer.ipp b/include/bitcoin/system/impl/stream/streamers/sha256t_writer.ipp
index ba2107bf5d..e2aadbf142 100644
--- a/include/bitcoin/system/impl/stream/streamers/sha256t_writer.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/sha256t_writer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/stream/streamers/sha256x2_writer.ipp b/include/bitcoin/system/impl/stream/streamers/sha256x2_writer.ipp
index 2ccefc9562..302877a91e 100644
--- a/include/bitcoin/system/impl/stream/streamers/sha256x2_writer.ipp
+++ b/include/bitcoin/system/impl/stream/streamers/sha256x2_writer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/unicode/ascii.ipp b/include/bitcoin/system/impl/unicode/ascii.ipp
index 57b6315a03..ee16c71b28 100644
--- a/include/bitcoin/system/impl/unicode/ascii.ipp
+++ b/include/bitcoin/system/impl/unicode/ascii.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/wallet/addresses/checked.ipp b/include/bitcoin/system/impl/wallet/addresses/checked.ipp
index d5155a2356..adeb92cecf 100644
--- a/include/bitcoin/system/impl/wallet/addresses/checked.ipp
+++ b/include/bitcoin/system/impl/wallet/addresses/checked.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/words/dictionaries.ipp b/include/bitcoin/system/impl/words/dictionaries.ipp
index ab71086666..ae4a7c0cc5 100644
--- a/include/bitcoin/system/impl/words/dictionaries.ipp
+++ b/include/bitcoin/system/impl/words/dictionaries.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/impl/words/dictionary.ipp b/include/bitcoin/system/impl/words/dictionary.ipp
index 3498ff7dc5..581037ac02 100644
--- a/include/bitcoin/system/impl/words/dictionary.ipp
+++ b/include/bitcoin/system/impl/words/dictionary.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/byte_swap.hpp b/include/bitcoin/system/intrinsics/byte_swap.hpp
index 1213a123a3..5b56d61ca4 100644
--- a/include/bitcoin/system/intrinsics/byte_swap.hpp
+++ b/include/bitcoin/system/intrinsics/byte_swap.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/cpuid.hpp b/include/bitcoin/system/intrinsics/cpuid.hpp
index 55bbeb3e13..a371f40768 100644
--- a/include/bitcoin/system/intrinsics/cpuid.hpp
+++ b/include/bitcoin/system/intrinsics/cpuid.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/detection.hpp b/include/bitcoin/system/intrinsics/detection.hpp
index 18b7cecae1..952a515d93 100644
--- a/include/bitcoin/system/intrinsics/detection.hpp
+++ b/include/bitcoin/system/intrinsics/detection.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/intel/intel.hpp b/include/bitcoin/system/intrinsics/intel/intel.hpp
index 1917cae51f..a8e4188d95 100644
--- a/include/bitcoin/system/intrinsics/intel/intel.hpp
+++ b/include/bitcoin/system/intrinsics/intel/intel.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/intel/intel_128.hpp b/include/bitcoin/system/intrinsics/intel/intel_128.hpp
index 826c6c8efe..d0517d6ead 100644
--- a/include/bitcoin/system/intrinsics/intel/intel_128.hpp
+++ b/include/bitcoin/system/intrinsics/intel/intel_128.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/intel/intel_256.hpp b/include/bitcoin/system/intrinsics/intel/intel_256.hpp
index d600781881..64c7cbd689 100644
--- a/include/bitcoin/system/intrinsics/intel/intel_256.hpp
+++ b/include/bitcoin/system/intrinsics/intel/intel_256.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/intel/intel_512.hpp b/include/bitcoin/system/intrinsics/intel/intel_512.hpp
index 73edb7556c..2052cf98ad 100644
--- a/include/bitcoin/system/intrinsics/intel/intel_512.hpp
+++ b/include/bitcoin/system/intrinsics/intel/intel_512.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/intel/intel_sha.hpp b/include/bitcoin/system/intrinsics/intel/intel_sha.hpp
index 14d4ae1620..7f656e2e65 100644
--- a/include/bitcoin/system/intrinsics/intel/intel_sha.hpp
+++ b/include/bitcoin/system/intrinsics/intel/intel_sha.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/intrinsics.hpp b/include/bitcoin/system/intrinsics/intrinsics.hpp
index e201bef1f5..951cda9ade 100644
--- a/include/bitcoin/system/intrinsics/intrinsics.hpp
+++ b/include/bitcoin/system/intrinsics/intrinsics.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/neon/neon.hpp b/include/bitcoin/system/intrinsics/neon/neon.hpp
index a97b236068..b29137205d 100644
--- a/include/bitcoin/system/intrinsics/neon/neon.hpp
+++ b/include/bitcoin/system/intrinsics/neon/neon.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/neon/neon_128.hpp b/include/bitcoin/system/intrinsics/neon/neon_128.hpp
index 21bdac2f97..e467d02cbd 100644
--- a/include/bitcoin/system/intrinsics/neon/neon_128.hpp
+++ b/include/bitcoin/system/intrinsics/neon/neon_128.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/neon/neon_sha.hpp b/include/bitcoin/system/intrinsics/neon/neon_sha.hpp
index 27a2522ae2..b24b745965 100644
--- a/include/bitcoin/system/intrinsics/neon/neon_sha.hpp
+++ b/include/bitcoin/system/intrinsics/neon/neon_sha.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/none/none_128.hpp b/include/bitcoin/system/intrinsics/none/none_128.hpp
index 3bac524886..fed34f9a88 100644
--- a/include/bitcoin/system/intrinsics/none/none_128.hpp
+++ b/include/bitcoin/system/intrinsics/none/none_128.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/none/none_sha.hpp b/include/bitcoin/system/intrinsics/none/none_sha.hpp
index 235fe64def..8545b19e51 100644
--- a/include/bitcoin/system/intrinsics/none/none_sha.hpp
+++ b/include/bitcoin/system/intrinsics/none/none_sha.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/rotate.hpp b/include/bitcoin/system/intrinsics/rotate.hpp
index 542bef8ddd..1ad9c76179 100644
--- a/include/bitcoin/system/intrinsics/rotate.hpp
+++ b/include/bitcoin/system/intrinsics/rotate.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/sve/sve.hpp b/include/bitcoin/system/intrinsics/sve/sve.hpp
index 029d1d11c6..2ae34ddb50 100644
--- a/include/bitcoin/system/intrinsics/sve/sve.hpp
+++ b/include/bitcoin/system/intrinsics/sve/sve.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/intrinsics/types.hpp b/include/bitcoin/system/intrinsics/types.hpp
index 2884df30e4..197d894e9b 100644
--- a/include/bitcoin/system/intrinsics/types.hpp
+++ b/include/bitcoin/system/intrinsics/types.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/literals.hpp b/include/bitcoin/system/literals.hpp
index 7ba8258559..72652ecbb1 100644
--- a/include/bitcoin/system/literals.hpp
+++ b/include/bitcoin/system/literals.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/machine/interpreter.hpp b/include/bitcoin/system/machine/interpreter.hpp
index e4b05f7414..7c17a87fd9 100644
--- a/include/bitcoin/system/machine/interpreter.hpp
+++ b/include/bitcoin/system/machine/interpreter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/machine/machine.hpp b/include/bitcoin/system/machine/machine.hpp
index 726a883b1b..3938aa85c9 100644
--- a/include/bitcoin/system/machine/machine.hpp
+++ b/include/bitcoin/system/machine/machine.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/machine/number.hpp b/include/bitcoin/system/machine/number.hpp
index 8477023672..eb57ef51c5 100644
--- a/include/bitcoin/system/machine/number.hpp
+++ b/include/bitcoin/system/machine/number.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/machine/number_boolean.hpp b/include/bitcoin/system/machine/number_boolean.hpp
index 33e5179123..feccf7e549 100644
--- a/include/bitcoin/system/machine/number_boolean.hpp
+++ b/include/bitcoin/system/machine/number_boolean.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/machine/number_chunk.hpp b/include/bitcoin/system/machine/number_chunk.hpp
index 4c5a393364..7ab5df2889 100644
--- a/include/bitcoin/system/machine/number_chunk.hpp
+++ b/include/bitcoin/system/machine/number_chunk.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/machine/number_integer.hpp b/include/bitcoin/system/machine/number_integer.hpp
index 649b03f0fc..0f3d1fd0e4 100644
--- a/include/bitcoin/system/machine/number_integer.hpp
+++ b/include/bitcoin/system/machine/number_integer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/machine/program.hpp b/include/bitcoin/system/machine/program.hpp
index 2439fd2a44..3672fb9be5 100644
--- a/include/bitcoin/system/machine/program.hpp
+++ b/include/bitcoin/system/machine/program.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/machine/stack.hpp b/include/bitcoin/system/machine/stack.hpp
index 7f42b83e90..593eff504c 100644
--- a/include/bitcoin/system/machine/stack.hpp
+++ b/include/bitcoin/system/machine/stack.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/addition.hpp b/include/bitcoin/system/math/addition.hpp
index 2ec38b129e..3ea9a3842f 100644
--- a/include/bitcoin/system/math/addition.hpp
+++ b/include/bitcoin/system/math/addition.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/bits.hpp b/include/bitcoin/system/math/bits.hpp
index 89be54a88f..a02a3128a9 100644
--- a/include/bitcoin/system/math/bits.hpp
+++ b/include/bitcoin/system/math/bits.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/bytes.hpp b/include/bitcoin/system/math/bytes.hpp
index c5848fa202..b6bcb90993 100644
--- a/include/bitcoin/system/math/bytes.hpp
+++ b/include/bitcoin/system/math/bytes.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/byteswap.hpp b/include/bitcoin/system/math/byteswap.hpp
index f2d308c0ed..e17dba85fc 100644
--- a/include/bitcoin/system/math/byteswap.hpp
+++ b/include/bitcoin/system/math/byteswap.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/cast.hpp b/include/bitcoin/system/math/cast.hpp
index 3a680ecf56..97f58cc3f8 100644
--- a/include/bitcoin/system/math/cast.hpp
+++ b/include/bitcoin/system/math/cast.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/division.hpp b/include/bitcoin/system/math/division.hpp
index 9389c0d2b7..07cabf5438 100644
--- a/include/bitcoin/system/math/division.hpp
+++ b/include/bitcoin/system/math/division.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/functional.hpp b/include/bitcoin/system/math/functional.hpp
index 591dace35c..45ea10b646 100644
--- a/include/bitcoin/system/math/functional.hpp
+++ b/include/bitcoin/system/math/functional.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/limits.hpp b/include/bitcoin/system/math/limits.hpp
index b7e31d4cf6..e940eb0b43 100644
--- a/include/bitcoin/system/math/limits.hpp
+++ b/include/bitcoin/system/math/limits.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/logarithm.hpp b/include/bitcoin/system/math/logarithm.hpp
index e844b40886..5043eaaadd 100644
--- a/include/bitcoin/system/math/logarithm.hpp
+++ b/include/bitcoin/system/math/logarithm.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/math.hpp b/include/bitcoin/system/math/math.hpp
index cdeb10089f..5648d73d5f 100644
--- a/include/bitcoin/system/math/math.hpp
+++ b/include/bitcoin/system/math/math.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/multiplication.hpp b/include/bitcoin/system/math/multiplication.hpp
index 016e65b72f..2a53c3bfc0 100644
--- a/include/bitcoin/system/math/multiplication.hpp
+++ b/include/bitcoin/system/math/multiplication.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/overflow.hpp b/include/bitcoin/system/math/overflow.hpp
index 9c034d1b81..6bb5e12104 100644
--- a/include/bitcoin/system/math/overflow.hpp
+++ b/include/bitcoin/system/math/overflow.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/power.hpp b/include/bitcoin/system/math/power.hpp
index 52eed75ab6..36db10d0d9 100644
--- a/include/bitcoin/system/math/power.hpp
+++ b/include/bitcoin/system/math/power.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/rotate.hpp b/include/bitcoin/system/math/rotate.hpp
index c81a86eaea..f160bcc26f 100644
--- a/include/bitcoin/system/math/rotate.hpp
+++ b/include/bitcoin/system/math/rotate.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/math/sign.hpp b/include/bitcoin/system/math/sign.hpp
index 094ca930e8..03d3b4519e 100644
--- a/include/bitcoin/system/math/sign.hpp
+++ b/include/bitcoin/system/math/sign.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/preprocessor.hpp b/include/bitcoin/system/preprocessor.hpp
index 4ce27a63e7..fe58448e14 100644
--- a/include/bitcoin/system/preprocessor.hpp
+++ b/include/bitcoin/system/preprocessor.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/base_10.hpp b/include/bitcoin/system/radix/base_10.hpp
index 21b780d667..7711e8e131 100644
--- a/include/bitcoin/system/radix/base_10.hpp
+++ b/include/bitcoin/system/radix/base_10.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/base_16.hpp b/include/bitcoin/system/radix/base_16.hpp
index 2229425e2f..7b73232e5e 100644
--- a/include/bitcoin/system/radix/base_16.hpp
+++ b/include/bitcoin/system/radix/base_16.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/base_2048.hpp b/include/bitcoin/system/radix/base_2048.hpp
index 0dc33e5237..3c353b4eb7 100644
--- a/include/bitcoin/system/radix/base_2048.hpp
+++ b/include/bitcoin/system/radix/base_2048.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/base_2n.hpp b/include/bitcoin/system/radix/base_2n.hpp
index b779cc5a5b..a31c4b1183 100644
--- a/include/bitcoin/system/radix/base_2n.hpp
+++ b/include/bitcoin/system/radix/base_2n.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/base_32.hpp b/include/bitcoin/system/radix/base_32.hpp
index 2d9d7d8d8c..c64a0f891b 100644
--- a/include/bitcoin/system/radix/base_32.hpp
+++ b/include/bitcoin/system/radix/base_32.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/base_58.hpp b/include/bitcoin/system/radix/base_58.hpp
index 45432816f2..0801046a86 100644
--- a/include/bitcoin/system/radix/base_58.hpp
+++ b/include/bitcoin/system/radix/base_58.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/base_64.hpp b/include/bitcoin/system/radix/base_64.hpp
index f90169b1ee..f0a95da38f 100644
--- a/include/bitcoin/system/radix/base_64.hpp
+++ b/include/bitcoin/system/radix/base_64.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/base_85.hpp b/include/bitcoin/system/radix/base_85.hpp
index 8d5c3dd9f9..b7a5831956 100644
--- a/include/bitcoin/system/radix/base_85.hpp
+++ b/include/bitcoin/system/radix/base_85.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/radix/radix.hpp b/include/bitcoin/system/radix/radix.hpp
index cb0859a3b9..df39a2c9f4 100644
--- a/include/bitcoin/system/radix/radix.hpp
+++ b/include/bitcoin/system/radix/radix.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/serial/deserialize.hpp b/include/bitcoin/system/serial/deserialize.hpp
index c9b8e2f6b6..35a059cbab 100644
--- a/include/bitcoin/system/serial/deserialize.hpp
+++ b/include/bitcoin/system/serial/deserialize.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/serial/props.hpp b/include/bitcoin/system/serial/props.hpp
index 2c3cdacc6d..a314b68bda 100644
--- a/include/bitcoin/system/serial/props.hpp
+++ b/include/bitcoin/system/serial/props.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/serial/serial.hpp b/include/bitcoin/system/serial/serial.hpp
index 86500e6d4e..c924f270f3 100644
--- a/include/bitcoin/system/serial/serial.hpp
+++ b/include/bitcoin/system/serial/serial.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/serial/serialize.hpp b/include/bitcoin/system/serial/serialize.hpp
index 753e539971..b90c8c4a3c 100644
--- a/include/bitcoin/system/serial/serialize.hpp
+++ b/include/bitcoin/system/serial/serialize.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/settings.hpp b/include/bitcoin/system/settings.hpp
index 4430e41f33..90971af7a4 100644
--- a/include/bitcoin/system/settings.hpp
+++ b/include/bitcoin/system/settings.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/binary.hpp b/include/bitcoin/system/stream/binary.hpp
index 3584971e8d..df8bfb8257 100644
--- a/include/bitcoin/system/stream/binary.hpp
+++ b/include/bitcoin/system/stream/binary.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/device.hpp b/include/bitcoin/system/stream/device.hpp
index d63fec7557..dddc7c456f 100644
--- a/include/bitcoin/system/stream/device.hpp
+++ b/include/bitcoin/system/stream/device.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/devices/copy_sink.hpp b/include/bitcoin/system/stream/devices/copy_sink.hpp
index 28107a0954..218b2001fa 100644
--- a/include/bitcoin/system/stream/devices/copy_sink.hpp
+++ b/include/bitcoin/system/stream/devices/copy_sink.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/devices/copy_source.hpp b/include/bitcoin/system/stream/devices/copy_source.hpp
index 584c8289d0..1b01cb526b 100644
--- a/include/bitcoin/system/stream/devices/copy_source.hpp
+++ b/include/bitcoin/system/stream/devices/copy_source.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/devices/flip_sink.hpp b/include/bitcoin/system/stream/devices/flip_sink.hpp
index e72c7e4e88..468392a2f0 100644
--- a/include/bitcoin/system/stream/devices/flip_sink.hpp
+++ b/include/bitcoin/system/stream/devices/flip_sink.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/devices/push_sink.hpp b/include/bitcoin/system/stream/devices/push_sink.hpp
index 35dbe07719..63ca4cf740 100644
--- a/include/bitcoin/system/stream/devices/push_sink.hpp
+++ b/include/bitcoin/system/stream/devices/push_sink.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/iostream/iostream.hpp b/include/bitcoin/system/stream/iostream/iostream.hpp
index 3a91a3fb23..e3734078e6 100644
--- a/include/bitcoin/system/stream/iostream/iostream.hpp
+++ b/include/bitcoin/system/stream/iostream/iostream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/iostream/istream.hpp b/include/bitcoin/system/stream/iostream/istream.hpp
index 975c27e0b6..23b4dcd5a9 100644
--- a/include/bitcoin/system/stream/iostream/istream.hpp
+++ b/include/bitcoin/system/stream/iostream/istream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/iostream/ostream.hpp b/include/bitcoin/system/stream/iostream/ostream.hpp
index 89336d5cbe..2ae04acec7 100644
--- a/include/bitcoin/system/stream/iostream/ostream.hpp
+++ b/include/bitcoin/system/stream/iostream/ostream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/make_stream.hpp b/include/bitcoin/system/stream/make_stream.hpp
index 2860e6fab4..8845ba1112 100644
--- a/include/bitcoin/system/stream/make_stream.hpp
+++ b/include/bitcoin/system/stream/make_stream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/make_streamer.hpp b/include/bitcoin/system/stream/make_streamer.hpp
index 5eea062e48..e4f0e54a93 100644
--- a/include/bitcoin/system/stream/make_streamer.hpp
+++ b/include/bitcoin/system/stream/make_streamer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/stream.hpp b/include/bitcoin/system/stream/stream.hpp
index 55e3eeb8e6..8bea575961 100644
--- a/include/bitcoin/system/stream/stream.hpp
+++ b/include/bitcoin/system/stream/stream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/stream_result.hpp b/include/bitcoin/system/stream/stream_result.hpp
index c5f05c3269..fef171e40b 100644
--- a/include/bitcoin/system/stream/stream_result.hpp
+++ b/include/bitcoin/system/stream/stream_result.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers.hpp b/include/bitcoin/system/stream/streamers.hpp
index bdaff702ad..dbda01c275 100644
--- a/include/bitcoin/system/stream/streamers.hpp
+++ b/include/bitcoin/system/stream/streamers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/bit_flipper.hpp b/include/bitcoin/system/stream/streamers/bit_flipper.hpp
index d50423da0c..ecb27c4588 100644
--- a/include/bitcoin/system/stream/streamers/bit_flipper.hpp
+++ b/include/bitcoin/system/stream/streamers/bit_flipper.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/bit_reader.hpp b/include/bitcoin/system/stream/streamers/bit_reader.hpp
index 879c4ae383..42db239e36 100644
--- a/include/bitcoin/system/stream/streamers/bit_reader.hpp
+++ b/include/bitcoin/system/stream/streamers/bit_reader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/bit_writer.hpp b/include/bitcoin/system/stream/streamers/bit_writer.hpp
index dda4431ab6..d778de58e1 100644
--- a/include/bitcoin/system/stream/streamers/bit_writer.hpp
+++ b/include/bitcoin/system/stream/streamers/bit_writer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/byte_flipper.hpp b/include/bitcoin/system/stream/streamers/byte_flipper.hpp
index 7d32d08898..a3b8639c9d 100644
--- a/include/bitcoin/system/stream/streamers/byte_flipper.hpp
+++ b/include/bitcoin/system/stream/streamers/byte_flipper.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/byte_reader.hpp b/include/bitcoin/system/stream/streamers/byte_reader.hpp
index 52aeaf3e5a..4b4a9c38d5 100644
--- a/include/bitcoin/system/stream/streamers/byte_reader.hpp
+++ b/include/bitcoin/system/stream/streamers/byte_reader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/byte_writer.hpp b/include/bitcoin/system/stream/streamers/byte_writer.hpp
index 7c0186acb9..62d5ed5146 100644
--- a/include/bitcoin/system/stream/streamers/byte_writer.hpp
+++ b/include/bitcoin/system/stream/streamers/byte_writer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/hex_reader.hpp b/include/bitcoin/system/stream/streamers/hex_reader.hpp
index b333aa2ec6..7c916eaff4 100644
--- a/include/bitcoin/system/stream/streamers/hex_reader.hpp
+++ b/include/bitcoin/system/stream/streamers/hex_reader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/hex_writer.hpp b/include/bitcoin/system/stream/streamers/hex_writer.hpp
index 065406c4d5..43b67058b3 100644
--- a/include/bitcoin/system/stream/streamers/hex_writer.hpp
+++ b/include/bitcoin/system/stream/streamers/hex_writer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/interfaces/bitflipper.hpp b/include/bitcoin/system/stream/streamers/interfaces/bitflipper.hpp
index 7a8ac48b98..757308ee72 100644
--- a/include/bitcoin/system/stream/streamers/interfaces/bitflipper.hpp
+++ b/include/bitcoin/system/stream/streamers/interfaces/bitflipper.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/interfaces/bitreader.hpp b/include/bitcoin/system/stream/streamers/interfaces/bitreader.hpp
index ad35096560..b541e3d89a 100644
--- a/include/bitcoin/system/stream/streamers/interfaces/bitreader.hpp
+++ b/include/bitcoin/system/stream/streamers/interfaces/bitreader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/interfaces/bitwriter.hpp b/include/bitcoin/system/stream/streamers/interfaces/bitwriter.hpp
index 99536297b9..a741db4f3a 100644
--- a/include/bitcoin/system/stream/streamers/interfaces/bitwriter.hpp
+++ b/include/bitcoin/system/stream/streamers/interfaces/bitwriter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/interfaces/byteflipper.hpp b/include/bitcoin/system/stream/streamers/interfaces/byteflipper.hpp
index c57998d542..8feb40c42b 100644
--- a/include/bitcoin/system/stream/streamers/interfaces/byteflipper.hpp
+++ b/include/bitcoin/system/stream/streamers/interfaces/byteflipper.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/interfaces/bytereader.hpp b/include/bitcoin/system/stream/streamers/interfaces/bytereader.hpp
index c801121861..3cc75ceabb 100644
--- a/include/bitcoin/system/stream/streamers/interfaces/bytereader.hpp
+++ b/include/bitcoin/system/stream/streamers/interfaces/bytereader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/interfaces/bytewriter.hpp b/include/bitcoin/system/stream/streamers/interfaces/bytewriter.hpp
index 8222349725..03f0380f1c 100644
--- a/include/bitcoin/system/stream/streamers/interfaces/bytewriter.hpp
+++ b/include/bitcoin/system/stream/streamers/interfaces/bytewriter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/sha256_writer.hpp b/include/bitcoin/system/stream/streamers/sha256_writer.hpp
index 1e339d97a9..c15823a92e 100644
--- a/include/bitcoin/system/stream/streamers/sha256_writer.hpp
+++ b/include/bitcoin/system/stream/streamers/sha256_writer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/sha256t_writer.hpp b/include/bitcoin/system/stream/streamers/sha256t_writer.hpp
index ba37bf7683..170574362d 100644
--- a/include/bitcoin/system/stream/streamers/sha256t_writer.hpp
+++ b/include/bitcoin/system/stream/streamers/sha256t_writer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streamers/sha256x2_writer.hpp b/include/bitcoin/system/stream/streamers/sha256x2_writer.hpp
index 7f9d028b66..82b57f4e77 100644
--- a/include/bitcoin/system/stream/streamers/sha256x2_writer.hpp
+++ b/include/bitcoin/system/stream/streamers/sha256x2_writer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/stream/streams.hpp b/include/bitcoin/system/stream/streams.hpp
index 12fda9e0bc..891778cf02 100644
--- a/include/bitcoin/system/stream/streams.hpp
+++ b/include/bitcoin/system/stream/streams.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/typelets.hpp b/include/bitcoin/system/typelets.hpp
index 12b95fdbd1..b34242d549 100644
--- a/include/bitcoin/system/typelets.hpp
+++ b/include/bitcoin/system/typelets.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/types.hpp b/include/bitcoin/system/types.hpp
index 6b180b517e..dc8b0148e0 100644
--- a/include/bitcoin/system/types.hpp
+++ b/include/bitcoin/system/types.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/ascii.hpp b/include/bitcoin/system/unicode/ascii.hpp
index b2f643ebc4..84c6b3212b 100644
--- a/include/bitcoin/system/unicode/ascii.hpp
+++ b/include/bitcoin/system/unicode/ascii.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/code_points.hpp b/include/bitcoin/system/unicode/code_points.hpp
index 2c245ab00e..48469f4ad3 100644
--- a/include/bitcoin/system/unicode/code_points.hpp
+++ b/include/bitcoin/system/unicode/code_points.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/conversion.hpp b/include/bitcoin/system/unicode/conversion.hpp
index 05c0cc83c7..2068be0b13 100644
--- a/include/bitcoin/system/unicode/conversion.hpp
+++ b/include/bitcoin/system/unicode/conversion.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/normalization.hpp b/include/bitcoin/system/unicode/normalization.hpp
index d15fe47cfb..cafe99858b 100644
--- a/include/bitcoin/system/unicode/normalization.hpp
+++ b/include/bitcoin/system/unicode/normalization.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/unicode.hpp b/include/bitcoin/system/unicode/unicode.hpp
index 5b876a1fd1..6ff1184a97 100644
--- a/include/bitcoin/system/unicode/unicode.hpp
+++ b/include/bitcoin/system/unicode/unicode.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/console_streambuf.hpp b/include/bitcoin/system/unicode/utf8_everywhere/console_streambuf.hpp
index b1c589c0c7..19619707b7 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/console_streambuf.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/console_streambuf.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/environment.hpp b/include/bitcoin/system/unicode/utf8_everywhere/environment.hpp
index 93bf59d693..6af89e362c 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/environment.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/environment.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/ifstream.hpp b/include/bitcoin/system/unicode/utf8_everywhere/ifstream.hpp
index ebb462d3b8..bbb62ecaaf 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/ifstream.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/ifstream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/ofstream.hpp b/include/bitcoin/system/unicode/utf8_everywhere/ofstream.hpp
index a71827aff8..8294123de0 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/ofstream.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/ofstream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/paths.hpp b/include/bitcoin/system/unicode/utf8_everywhere/paths.hpp
index bde80ea8e0..7137f883b4 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/paths.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/paths.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/stdio.hpp b/include/bitcoin/system/unicode/utf8_everywhere/stdio.hpp
index 440a64c211..1f9897164d 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/stdio.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/stdio.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/unicode_istream.hpp b/include/bitcoin/system/unicode/utf8_everywhere/unicode_istream.hpp
index a9a211dcc3..1a60d3c17e 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/unicode_istream.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/unicode_istream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/unicode_ostream.hpp b/include/bitcoin/system/unicode/utf8_everywhere/unicode_ostream.hpp
index 2390cea01a..37defe506b 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/unicode_ostream.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/unicode_ostream.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/unicode_streambuf.hpp b/include/bitcoin/system/unicode/utf8_everywhere/unicode_streambuf.hpp
index 34c9d9ddf0..99fddf7e52 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/unicode_streambuf.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/unicode_streambuf.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/unicode/utf8_everywhere/utf8_everywhere.hpp b/include/bitcoin/system/unicode/utf8_everywhere/utf8_everywhere.hpp
index 6fb40599d5..6e58faf08f 100644
--- a/include/bitcoin/system/unicode/utf8_everywhere/utf8_everywhere.hpp
+++ b/include/bitcoin/system/unicode/utf8_everywhere/utf8_everywhere.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/version.hpp b/include/bitcoin/system/version.hpp
index dcc64223f8..09de316b11 100644
--- a/include/bitcoin/system/version.hpp
+++ b/include/bitcoin/system/version.hpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+// Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 //
 //        GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 //
diff --git a/include/bitcoin/system/wallet/addresses/bitcoin_uri.hpp b/include/bitcoin/system/wallet/addresses/bitcoin_uri.hpp
index 724ded9f12..18c4763eb4 100644
--- a/include/bitcoin/system/wallet/addresses/bitcoin_uri.hpp
+++ b/include/bitcoin/system/wallet/addresses/bitcoin_uri.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/checked.hpp b/include/bitcoin/system/wallet/addresses/checked.hpp
index 64359a2dbb..9d1053bf21 100644
--- a/include/bitcoin/system/wallet/addresses/checked.hpp
+++ b/include/bitcoin/system/wallet/addresses/checked.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/payment_address.hpp b/include/bitcoin/system/wallet/addresses/payment_address.hpp
index f3497d9984..9564a13f9d 100644
--- a/include/bitcoin/system/wallet/addresses/payment_address.hpp
+++ b/include/bitcoin/system/wallet/addresses/payment_address.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/qr_code.hpp b/include/bitcoin/system/wallet/addresses/qr_code.hpp
index e2ae136f59..14bdcdf698 100644
--- a/include/bitcoin/system/wallet/addresses/qr_code.hpp
+++ b/include/bitcoin/system/wallet/addresses/qr_code.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/stealth_address.hpp b/include/bitcoin/system/wallet/addresses/stealth_address.hpp
index 2e2470b4a2..fc9ccba0dd 100644
--- a/include/bitcoin/system/wallet/addresses/stealth_address.hpp
+++ b/include/bitcoin/system/wallet/addresses/stealth_address.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/stealth_receiver.hpp b/include/bitcoin/system/wallet/addresses/stealth_receiver.hpp
index 9fc9eb08f7..e3f8a485e3 100644
--- a/include/bitcoin/system/wallet/addresses/stealth_receiver.hpp
+++ b/include/bitcoin/system/wallet/addresses/stealth_receiver.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/stealth_sender.hpp b/include/bitcoin/system/wallet/addresses/stealth_sender.hpp
index 7088a5f2e6..4232477af2 100644
--- a/include/bitcoin/system/wallet/addresses/stealth_sender.hpp
+++ b/include/bitcoin/system/wallet/addresses/stealth_sender.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/tiff.hpp b/include/bitcoin/system/wallet/addresses/tiff.hpp
index c7092fdf3b..592e31afcc 100644
--- a/include/bitcoin/system/wallet/addresses/tiff.hpp
+++ b/include/bitcoin/system/wallet/addresses/tiff.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/uri.hpp b/include/bitcoin/system/wallet/addresses/uri.hpp
index f04cb64f43..cc56d57039 100644
--- a/include/bitcoin/system/wallet/addresses/uri.hpp
+++ b/include/bitcoin/system/wallet/addresses/uri.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/uri_reader.hpp b/include/bitcoin/system/wallet/addresses/uri_reader.hpp
index a8809a1119..02539a9967 100644
--- a/include/bitcoin/system/wallet/addresses/uri_reader.hpp
+++ b/include/bitcoin/system/wallet/addresses/uri_reader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/addresses/witness_address.hpp b/include/bitcoin/system/wallet/addresses/witness_address.hpp
index f89777bc58..1a632064a3 100644
--- a/include/bitcoin/system/wallet/addresses/witness_address.hpp
+++ b/include/bitcoin/system/wallet/addresses/witness_address.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/context.hpp b/include/bitcoin/system/wallet/context.hpp
index 0f81473cc5..fa4da5adc5 100644
--- a/include/bitcoin/system/wallet/context.hpp
+++ b/include/bitcoin/system/wallet/context.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/ec_point.hpp b/include/bitcoin/system/wallet/keys/ec_point.hpp
index c287381b9f..a1a824891d 100644
--- a/include/bitcoin/system/wallet/keys/ec_point.hpp
+++ b/include/bitcoin/system/wallet/keys/ec_point.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/ec_private.hpp b/include/bitcoin/system/wallet/keys/ec_private.hpp
index 9fe9cd1979..f334d62221 100644
--- a/include/bitcoin/system/wallet/keys/ec_private.hpp
+++ b/include/bitcoin/system/wallet/keys/ec_private.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/ec_public.hpp b/include/bitcoin/system/wallet/keys/ec_public.hpp
index 61f5738f70..3b196c1e8a 100644
--- a/include/bitcoin/system/wallet/keys/ec_public.hpp
+++ b/include/bitcoin/system/wallet/keys/ec_public.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/ec_scalar.hpp b/include/bitcoin/system/wallet/keys/ec_scalar.hpp
index 1686a28b9e..2cf8e932ae 100644
--- a/include/bitcoin/system/wallet/keys/ec_scalar.hpp
+++ b/include/bitcoin/system/wallet/keys/ec_scalar.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/ek_private.hpp b/include/bitcoin/system/wallet/keys/ek_private.hpp
index 34e1691aa0..04564bb4e6 100644
--- a/include/bitcoin/system/wallet/keys/ek_private.hpp
+++ b/include/bitcoin/system/wallet/keys/ek_private.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/ek_public.hpp b/include/bitcoin/system/wallet/keys/ek_public.hpp
index 22accf4d0e..f1fbd14e52 100644
--- a/include/bitcoin/system/wallet/keys/ek_public.hpp
+++ b/include/bitcoin/system/wallet/keys/ek_public.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/ek_token.hpp b/include/bitcoin/system/wallet/keys/ek_token.hpp
index eebc9eb247..fb6fd25e4f 100644
--- a/include/bitcoin/system/wallet/keys/ek_token.hpp
+++ b/include/bitcoin/system/wallet/keys/ek_token.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/encrypted_keys.hpp b/include/bitcoin/system/wallet/keys/encrypted_keys.hpp
index 90c6096e10..ff2c8344b2 100644
--- a/include/bitcoin/system/wallet/keys/encrypted_keys.hpp
+++ b/include/bitcoin/system/wallet/keys/encrypted_keys.hpp
@@ -1,5 +1,5 @@
 /**
-/// Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+/// Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
 /// This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/hd_private.hpp b/include/bitcoin/system/wallet/keys/hd_private.hpp
index 97f7e440cb..2b25e3f820 100644
--- a/include/bitcoin/system/wallet/keys/hd_private.hpp
+++ b/include/bitcoin/system/wallet/keys/hd_private.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/hd_public.hpp b/include/bitcoin/system/wallet/keys/hd_public.hpp
index 79943344f3..84c06e7208 100644
--- a/include/bitcoin/system/wallet/keys/hd_public.hpp
+++ b/include/bitcoin/system/wallet/keys/hd_public.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/mini_keys.hpp b/include/bitcoin/system/wallet/keys/mini_keys.hpp
index 3e48185268..11b85963ee 100644
--- a/include/bitcoin/system/wallet/keys/mini_keys.hpp
+++ b/include/bitcoin/system/wallet/keys/mini_keys.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/keys/stealth.hpp b/include/bitcoin/system/wallet/keys/stealth.hpp
index a1efae5eba..245cbc7eef 100644
--- a/include/bitcoin/system/wallet/keys/stealth.hpp
+++ b/include/bitcoin/system/wallet/keys/stealth.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/message.hpp b/include/bitcoin/system/wallet/message.hpp
index 8710dd2d8c..b6f7c9df84 100644
--- a/include/bitcoin/system/wallet/message.hpp
+++ b/include/bitcoin/system/wallet/message.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/mnemonics/electrum.hpp b/include/bitcoin/system/wallet/mnemonics/electrum.hpp
index 09719149aa..9e56f4acca 100644
--- a/include/bitcoin/system/wallet/mnemonics/electrum.hpp
+++ b/include/bitcoin/system/wallet/mnemonics/electrum.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/mnemonics/electrum_v1.hpp b/include/bitcoin/system/wallet/mnemonics/electrum_v1.hpp
index 5f648a2a18..f3c9170416 100644
--- a/include/bitcoin/system/wallet/mnemonics/electrum_v1.hpp
+++ b/include/bitcoin/system/wallet/mnemonics/electrum_v1.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/mnemonics/mnemonic.hpp b/include/bitcoin/system/wallet/mnemonics/mnemonic.hpp
index c8109eb342..db78c31d6d 100644
--- a/include/bitcoin/system/wallet/mnemonics/mnemonic.hpp
+++ b/include/bitcoin/system/wallet/mnemonics/mnemonic.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/neutrino.hpp b/include/bitcoin/system/wallet/neutrino.hpp
index 79eb8b1d9c..0af899a6e7 100644
--- a/include/bitcoin/system/wallet/neutrino.hpp
+++ b/include/bitcoin/system/wallet/neutrino.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/point_value.hpp b/include/bitcoin/system/wallet/point_value.hpp
index c9f7a2d597..07e52436d4 100644
--- a/include/bitcoin/system/wallet/point_value.hpp
+++ b/include/bitcoin/system/wallet/point_value.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/points_value.hpp b/include/bitcoin/system/wallet/points_value.hpp
index f9de916298..68d4b28601 100644
--- a/include/bitcoin/system/wallet/points_value.hpp
+++ b/include/bitcoin/system/wallet/points_value.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/wallet/wallet.hpp b/include/bitcoin/system/wallet/wallet.hpp
index 942fb3c179..a4b726f543 100644
--- a/include/bitcoin/system/wallet/wallet.hpp
+++ b/include/bitcoin/system/wallet/wallet.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/warnings.hpp b/include/bitcoin/system/warnings.hpp
index 57712df56b..1298816e3e 100644
--- a/include/bitcoin/system/warnings.hpp
+++ b/include/bitcoin/system/warnings.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/words/catalogs/electrum.hpp b/include/bitcoin/system/words/catalogs/electrum.hpp
index ec941c67ab..0c728a05bc 100644
--- a/include/bitcoin/system/words/catalogs/electrum.hpp
+++ b/include/bitcoin/system/words/catalogs/electrum.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/words/catalogs/electrum_v1.hpp b/include/bitcoin/system/words/catalogs/electrum_v1.hpp
index a04c566e92..670d868415 100644
--- a/include/bitcoin/system/words/catalogs/electrum_v1.hpp
+++ b/include/bitcoin/system/words/catalogs/electrum_v1.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/words/catalogs/mnemonic.hpp b/include/bitcoin/system/words/catalogs/mnemonic.hpp
index 9dcacff582..84508a8986 100644
--- a/include/bitcoin/system/words/catalogs/mnemonic.hpp
+++ b/include/bitcoin/system/words/catalogs/mnemonic.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/words/dictionaries.hpp b/include/bitcoin/system/words/dictionaries.hpp
index 432cadd800..b22382e1e4 100644
--- a/include/bitcoin/system/words/dictionaries.hpp
+++ b/include/bitcoin/system/words/dictionaries.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/words/dictionary.hpp b/include/bitcoin/system/words/dictionary.hpp
index 7b1716fe2b..1c6acc271f 100644
--- a/include/bitcoin/system/words/dictionary.hpp
+++ b/include/bitcoin/system/words/dictionary.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/words/language.hpp b/include/bitcoin/system/words/language.hpp
index 22aeea77a5..1a6af00c36 100644
--- a/include/bitcoin/system/words/language.hpp
+++ b/include/bitcoin/system/words/language.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/words/languages.hpp b/include/bitcoin/system/words/languages.hpp
index 27728fec39..d50eb361e9 100644
--- a/include/bitcoin/system/words/languages.hpp
+++ b/include/bitcoin/system/words/languages.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/system/words/words.hpp b/include/bitcoin/system/words/words.hpp
index 4dcb3d9885..605dfd8477 100644
--- a/include/bitcoin/system/words/words.hpp
+++ b/include/bitcoin/system/words/words.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/install-cmake.sh b/install-cmake.sh
index c8785c2171..e8d027d5a8 100755
--- a/install-cmake.sh
+++ b/install-cmake.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/install-cmakepresets.sh b/install-cmakepresets.sh
index bf541e5837..86269677ea 100755
--- a/install-cmakepresets.sh
+++ b/install-cmakepresets.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/install.sh b/install.sh
index ae49419168..706a12e07e 100755
--- a/install.sh
+++ b/install.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/libbitcoin-system-test_runner.sh b/libbitcoin-system-test_runner.sh
index a626c851c5..6de5f3fe87 100755
--- a/libbitcoin-system-test_runner.sh
+++ b/libbitcoin-system-test_runner.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/libbitcoin-system.pc.in b/libbitcoin-system.pc.in
index b897450244..6a28a4ce09 100644
--- a/libbitcoin-system.pc.in
+++ b/libbitcoin-system.pc.in
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-system developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-system developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/src/arena.cpp b/src/arena.cpp
index 1ea64cf81f..193595f70c 100644
--- a/src/arena.cpp
+++ b/src/arena.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/block.cpp b/src/chain/block.cpp
index 4a6ae480c4..75df1bb412 100644
--- a/src/chain/block.cpp
+++ b/src/chain/block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/chain_state.cpp b/src/chain/chain_state.cpp
index 8cde567126..4f52998982 100644
--- a/src/chain/chain_state.cpp
+++ b/src/chain/chain_state.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/checkpoint.cpp b/src/chain/checkpoint.cpp
index 8be2a31040..0aab6b502c 100644
--- a/src/chain/checkpoint.cpp
+++ b/src/chain/checkpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/context.cpp b/src/chain/context.cpp
index 454dc89f1b..40e1b7869f 100644
--- a/src/chain/context.cpp
+++ b/src/chain/context.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/enums/opcode.cpp b/src/chain/enums/opcode.cpp
index 5f9923e0b4..59cfeb5fbd 100644
--- a/src/chain/enums/opcode.cpp
+++ b/src/chain/enums/opcode.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/header.cpp b/src/chain/header.cpp
index 4c414a87b8..348116aac6 100644
--- a/src/chain/header.cpp
+++ b/src/chain/header.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/input.cpp b/src/chain/input.cpp
index 8d43a2792f..a3ce3a7254 100644
--- a/src/chain/input.cpp
+++ b/src/chain/input.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/operation.cpp b/src/chain/operation.cpp
index f57ec88b36..8530e27473 100644
--- a/src/chain/operation.cpp
+++ b/src/chain/operation.cpp
@@ -1,6 +1,6 @@
 
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/outpoint.cpp b/src/chain/outpoint.cpp
index 35ba3373a6..64ec742be3 100644
--- a/src/chain/outpoint.cpp
+++ b/src/chain/outpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/output.cpp b/src/chain/output.cpp
index 72400d075e..2653b9872e 100644
--- a/src/chain/output.cpp
+++ b/src/chain/output.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/point.cpp b/src/chain/point.cpp
index 8aa69b72fa..8c0ad0da34 100644
--- a/src/chain/point.cpp
+++ b/src/chain/point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/script.cpp b/src/chain/script.cpp
index 0db604e38c..3397631ce1 100644
--- a/src/chain/script.cpp
+++ b/src/chain/script.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/script_extract.cpp b/src/chain/script_extract.cpp
index f2b7d0ee3a..2470907c3c 100644
--- a/src/chain/script_extract.cpp
+++ b/src/chain/script_extract.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/taproot.cpp b/src/chain/taproot.cpp
index b4c11ab46c..e7280c0f0d 100644
--- a/src/chain/taproot.cpp
+++ b/src/chain/taproot.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/transaction.cpp b/src/chain/transaction.cpp
index 42990dee91..91171ec939 100644
--- a/src/chain/transaction.cpp
+++ b/src/chain/transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/transaction_cache.cpp b/src/chain/transaction_cache.cpp
index 524c1e7d8d..aa36d7eb3f 100644
--- a/src/chain/transaction_cache.cpp
+++ b/src/chain/transaction_cache.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/transaction_sighash.cpp b/src/chain/transaction_sighash.cpp
index 1facaeab48..e63e0b409a 100644
--- a/src/chain/transaction_sighash.cpp
+++ b/src/chain/transaction_sighash.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/transaction_sighash_v0.cpp b/src/chain/transaction_sighash_v0.cpp
index c7f9e04ada..275bb46c34 100644
--- a/src/chain/transaction_sighash_v0.cpp
+++ b/src/chain/transaction_sighash_v0.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/transaction_sighash_v1.cpp b/src/chain/transaction_sighash_v1.cpp
index cb19a76998..43bfa0340d 100644
--- a/src/chain/transaction_sighash_v1.cpp
+++ b/src/chain/transaction_sighash_v1.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/witness.cpp b/src/chain/witness.cpp
index 58bad8c039..78f23fc1a4 100644
--- a/src/chain/witness.cpp
+++ b/src/chain/witness.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/witness_extract.cpp b/src/chain/witness_extract.cpp
index 119fe78bbe..61eefc6302 100644
--- a/src/chain/witness_extract.cpp
+++ b/src/chain/witness_extract.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/authority.cpp b/src/config/authority.cpp
index 798ccad9e8..148e6d3f36 100644
--- a/src/config/authority.cpp
+++ b/src/config/authority.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base16.cpp b/src/config/base16.cpp
index 8310ea29a8..f837b50cda 100644
--- a/src/config/base16.cpp
+++ b/src/config/base16.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base2.cpp b/src/config/base2.cpp
index b703d04ff6..0f32267589 100644
--- a/src/config/base2.cpp
+++ b/src/config/base2.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base32.cpp b/src/config/base32.cpp
index fadf2f98b6..5283bf1c0f 100644
--- a/src/config/base32.cpp
+++ b/src/config/base32.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base58.cpp b/src/config/base58.cpp
index bbd1b0a35d..a5e7759935 100644
--- a/src/config/base58.cpp
+++ b/src/config/base58.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base64.cpp b/src/config/base64.cpp
index 70463db895..01a09aaac7 100644
--- a/src/config/base64.cpp
+++ b/src/config/base64.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base85.cpp b/src/config/base85.cpp
index b6989579a9..158bec0183 100644
--- a/src/config/base85.cpp
+++ b/src/config/base85.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/block.cpp b/src/config/block.cpp
index 8c51448f83..1f13219651 100644
--- a/src/config/block.cpp
+++ b/src/config/block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/endpoint.cpp b/src/config/endpoint.cpp
index c6e6febb37..9a2ad2fcc8 100644
--- a/src/config/endpoint.cpp
+++ b/src/config/endpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/hash160.cpp b/src/config/hash160.cpp
index b845e1160c..abdfb75de6 100644
--- a/src/config/hash160.cpp
+++ b/src/config/hash160.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/hash256.cpp b/src/config/hash256.cpp
index f09998bb7b..cddf6c0c83 100644
--- a/src/config/hash256.cpp
+++ b/src/config/hash256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/header.cpp b/src/config/header.cpp
index 2d193bb3ff..69b39d2c50 100644
--- a/src/config/header.cpp
+++ b/src/config/header.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/input.cpp b/src/config/input.cpp
index 19b7993091..b45484ea38 100644
--- a/src/config/input.cpp
+++ b/src/config/input.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/output.cpp b/src/config/output.cpp
index d302f17897..609966e2e2 100644
--- a/src/config/output.cpp
+++ b/src/config/output.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/parameter.cpp b/src/config/parameter.cpp
index ab0752b04d..8c39f3ab3f 100644
--- a/src/config/parameter.cpp
+++ b/src/config/parameter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/parser.cpp b/src/config/parser.cpp
index 148627a9ad..f4b894c28d 100644
--- a/src/config/parser.cpp
+++ b/src/config/parser.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/point.cpp b/src/config/point.cpp
index 2990fdbf61..d85d001453 100644
--- a/src/config/point.cpp
+++ b/src/config/point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/printer.cpp b/src/config/printer.cpp
index 3afa91bdf1..ace94917a0 100644
--- a/src/config/printer.cpp
+++ b/src/config/printer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/script.cpp b/src/config/script.cpp
index f147a954d8..a6ce85d22f 100644
--- a/src/config/script.cpp
+++ b/src/config/script.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/transaction.cpp b/src/config/transaction.cpp
index 3be1abd1a2..e8d7dcd620 100644
--- a/src/config/transaction.cpp
+++ b/src/config/transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/url.cpp b/src/config/url.cpp
index bb35989025..7efc282d63 100644
--- a/src/config/url.cpp
+++ b/src/config/url.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/utilities.cpp b/src/config/utilities.cpp
index 178b261c5b..8348af5983 100644
--- a/src/config/utilities.cpp
+++ b/src/config/utilities.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/version.cpp b/src/config/version.cpp
index 95d7e209c4..2c146d21b2 100644
--- a/src/config/version.cpp
+++ b/src/config/version.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/crypto/aes256.cpp b/src/crypto/aes256.cpp
index 2bd43f1032..427b6a2f60 100644
--- a/src/crypto/aes256.cpp
+++ b/src/crypto/aes256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/crypto/der_parser.cpp b/src/crypto/der_parser.cpp
index 9319e50fa5..6799a8c105 100644
--- a/src/crypto/der_parser.cpp
+++ b/src/crypto/der_parser.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/crypto/ec_context.cpp b/src/crypto/ec_context.cpp
index ebcb60decb..77336df33e 100644
--- a/src/crypto/ec_context.cpp
+++ b/src/crypto/ec_context.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/crypto/ec_context.hpp b/src/crypto/ec_context.hpp
index e689e7c4cb..56d101058f 100644
--- a/src/crypto/ec_context.hpp
+++ b/src/crypto/ec_context.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/crypto/pseudo_random.cpp b/src/crypto/pseudo_random.cpp
index 26d9be676c..54f0dfd464 100644
--- a/src/crypto/pseudo_random.cpp
+++ b/src/crypto/pseudo_random.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/crypto/ring_signature.cpp b/src/crypto/ring_signature.cpp
index f70fe498f0..baa6a24462 100644
--- a/src/crypto/ring_signature.cpp
+++ b/src/crypto/ring_signature.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/crypto/secp256k1.cpp b/src/crypto/secp256k1.cpp
index efae120f36..ad0b2164c1 100644
--- a/src/crypto/secp256k1.cpp
+++ b/src/crypto/secp256k1.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/data/data_chunk.cpp b/src/data/data_chunk.cpp
index fd2d4e08a7..17b6d1d928 100644
--- a/src/data/data_chunk.cpp
+++ b/src/data/data_chunk.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/data/string.cpp b/src/data/string.cpp
index 16ff50aacd..696d41531d 100644
--- a/src/data/string.cpp
+++ b/src/data/string.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/define.cpp b/src/define.cpp
index c771726fef..93e2304ea4 100644
--- a/src/define.cpp
+++ b/src/define.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/endian/endian.cpp b/src/endian/endian.cpp
index a29ba4770c..3992cce3ba 100644
--- a/src/endian/endian.cpp
+++ b/src/endian/endian.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/error/block_error_t.cpp b/src/error/block_error_t.cpp
index 5a14826f9c..2003fcb663 100644
--- a/src/error/block_error_t.cpp
+++ b/src/error/block_error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/error/error_t.cpp b/src/error/error_t.cpp
index a12116879b..470404ea0b 100644
--- a/src/error/error_t.cpp
+++ b/src/error/error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/error/errorno_t.cpp b/src/error/errorno_t.cpp
index c64cc014b7..1b40e1911c 100644
--- a/src/error/errorno_t.cpp
+++ b/src/error/errorno_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/error/op_error_t.cpp b/src/error/op_error_t.cpp
index f187d67268..5348f04183 100644
--- a/src/error/op_error_t.cpp
+++ b/src/error/op_error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/error/script_error_t.cpp b/src/error/script_error_t.cpp
index 78c5cfafe2..e833143322 100644
--- a/src/error/script_error_t.cpp
+++ b/src/error/script_error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/error/transaction_error_t.cpp b/src/error/transaction_error_t.cpp
index e82ae34cd3..eb163e27fb 100644
--- a/src/error/transaction_error_t.cpp
+++ b/src/error/transaction_error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/filter/golomb.cpp b/src/filter/golomb.cpp
index 3e98280ee6..a8e1c4c4f4 100644
--- a/src/filter/golomb.cpp
+++ b/src/filter/golomb.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/hash/accumulator.cpp b/src/hash/accumulator.cpp
index 698d915061..c361dee083 100644
--- a/src/hash/accumulator.cpp
+++ b/src/hash/accumulator.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/hash/checksum.cpp b/src/hash/checksum.cpp
index 203ec7f61b..13abfd7ac3 100644
--- a/src/hash/checksum.cpp
+++ b/src/hash/checksum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/hash/siphash.cpp b/src/hash/siphash.cpp
index 1cc5327eb3..20bc65a3f4 100644
--- a/src/hash/siphash.cpp
+++ b/src/hash/siphash.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/math/math.cpp b/src/math/math.cpp
index 85cb1709cd..9d7c000e61 100644
--- a/src/math/math.cpp
+++ b/src/math/math.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/radix/base_10.cpp b/src/radix/base_10.cpp
index 64f369d491..4f108baac8 100644
--- a/src/radix/base_10.cpp
+++ b/src/radix/base_10.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/radix/base_2048.cpp b/src/radix/base_2048.cpp
index 3f684e1972..8c9d182fe8 100644
--- a/src/radix/base_2048.cpp
+++ b/src/radix/base_2048.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/radix/base_32.cpp b/src/radix/base_32.cpp
index df378e243e..6860aab67b 100644
--- a/src/radix/base_32.cpp
+++ b/src/radix/base_32.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/radix/base_58.cpp b/src/radix/base_58.cpp
index 7da2b2f1bc..80c7d37fd9 100644
--- a/src/radix/base_58.cpp
+++ b/src/radix/base_58.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/radix/base_64.cpp b/src/radix/base_64.cpp
index 8783c5a05f..2f50ef72c9 100644
--- a/src/radix/base_64.cpp
+++ b/src/radix/base_64.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/radix/base_85.cpp b/src/radix/base_85.cpp
index 30188b1490..32c490f92c 100644
--- a/src/radix/base_85.cpp
+++ b/src/radix/base_85.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/serial/props.cpp b/src/serial/props.cpp
index fa220399dc..f440f706ba 100644
--- a/src/serial/props.cpp
+++ b/src/serial/props.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/settings.cpp b/src/settings.cpp
index 05b5f32e50..e2423858e6 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/stream/binary.cpp b/src/stream/binary.cpp
index 499129837d..412095977d 100644
--- a/src/stream/binary.cpp
+++ b/src/stream/binary.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/ascii.cpp b/src/unicode/ascii.cpp
index 33b2b27f79..61e2f44805 100644
--- a/src/unicode/ascii.cpp
+++ b/src/unicode/ascii.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/code_points.cpp b/src/unicode/code_points.cpp
index ad5d1aff8b..a2fcac048e 100644
--- a/src/unicode/code_points.cpp
+++ b/src/unicode/code_points.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/conversion.cpp b/src/unicode/conversion.cpp
index 3b6f995e46..2b1136e90c 100644
--- a/src/unicode/conversion.cpp
+++ b/src/unicode/conversion.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/normalization.cpp b/src/unicode/normalization.cpp
index 3cf651b2b7..7925ab3962 100644
--- a/src/unicode/normalization.cpp
+++ b/src/unicode/normalization.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/console_streambuf.cpp b/src/unicode/utf8_everywhere/console_streambuf.cpp
index 13bf56b954..0bdcc922cb 100644
--- a/src/unicode/utf8_everywhere/console_streambuf.cpp
+++ b/src/unicode/utf8_everywhere/console_streambuf.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/environment.cpp b/src/unicode/utf8_everywhere/environment.cpp
index de7e3b9d82..b9909973e6 100644
--- a/src/unicode/utf8_everywhere/environment.cpp
+++ b/src/unicode/utf8_everywhere/environment.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/ifstream.cpp b/src/unicode/utf8_everywhere/ifstream.cpp
index fc7650bc98..4bcbce97fd 100644
--- a/src/unicode/utf8_everywhere/ifstream.cpp
+++ b/src/unicode/utf8_everywhere/ifstream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/ofstream.cpp b/src/unicode/utf8_everywhere/ofstream.cpp
index 848faa3ec3..5625a826a2 100644
--- a/src/unicode/utf8_everywhere/ofstream.cpp
+++ b/src/unicode/utf8_everywhere/ofstream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/paths.cpp b/src/unicode/utf8_everywhere/paths.cpp
index e386e1f200..d79ced7ab4 100644
--- a/src/unicode/utf8_everywhere/paths.cpp
+++ b/src/unicode/utf8_everywhere/paths.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/stdio.cpp b/src/unicode/utf8_everywhere/stdio.cpp
index a9da08075d..b02a3ae319 100644
--- a/src/unicode/utf8_everywhere/stdio.cpp
+++ b/src/unicode/utf8_everywhere/stdio.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/unicode_istream.cpp b/src/unicode/utf8_everywhere/unicode_istream.cpp
index 84e07a8b1b..b6b8649d09 100644
--- a/src/unicode/utf8_everywhere/unicode_istream.cpp
+++ b/src/unicode/utf8_everywhere/unicode_istream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/unicode_ostream.cpp b/src/unicode/utf8_everywhere/unicode_ostream.cpp
index 9956453b96..21a479f3e8 100644
--- a/src/unicode/utf8_everywhere/unicode_ostream.cpp
+++ b/src/unicode/utf8_everywhere/unicode_ostream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/utf8_everywhere/unicode_streambuf.cpp b/src/unicode/utf8_everywhere/unicode_streambuf.cpp
index 4b170a3500..16acad8af9 100644
--- a/src/unicode/utf8_everywhere/unicode_streambuf.cpp
+++ b/src/unicode/utf8_everywhere/unicode_streambuf.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/bitcoin_uri.cpp b/src/wallet/addresses/bitcoin_uri.cpp
index 5b41485b91..b85b3b1143 100644
--- a/src/wallet/addresses/bitcoin_uri.cpp
+++ b/src/wallet/addresses/bitcoin_uri.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/payment_address.cpp b/src/wallet/addresses/payment_address.cpp
index 079060d657..73d33cfa4e 100644
--- a/src/wallet/addresses/payment_address.cpp
+++ b/src/wallet/addresses/payment_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/qr_code.cpp b/src/wallet/addresses/qr_code.cpp
index 9607cbdeb7..729368d51e 100644
--- a/src/wallet/addresses/qr_code.cpp
+++ b/src/wallet/addresses/qr_code.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/stealth_address.cpp b/src/wallet/addresses/stealth_address.cpp
index 1c0d3967ef..6e5137f02d 100644
--- a/src/wallet/addresses/stealth_address.cpp
+++ b/src/wallet/addresses/stealth_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/stealth_receiver.cpp b/src/wallet/addresses/stealth_receiver.cpp
index 416bd04df0..28acbfaaa0 100644
--- a/src/wallet/addresses/stealth_receiver.cpp
+++ b/src/wallet/addresses/stealth_receiver.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/stealth_sender.cpp b/src/wallet/addresses/stealth_sender.cpp
index b3af4afabd..19d14290e3 100644
--- a/src/wallet/addresses/stealth_sender.cpp
+++ b/src/wallet/addresses/stealth_sender.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/tiff.cpp b/src/wallet/addresses/tiff.cpp
index baa776ee3b..2ac63c3a6c 100644
--- a/src/wallet/addresses/tiff.cpp
+++ b/src/wallet/addresses/tiff.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/uri.cpp b/src/wallet/addresses/uri.cpp
index d96c2d2053..e72a8f4ee3 100644
--- a/src/wallet/addresses/uri.cpp
+++ b/src/wallet/addresses/uri.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/addresses/witness_address.cpp b/src/wallet/addresses/witness_address.cpp
index 79f63d1254..799596062e 100644
--- a/src/wallet/addresses/witness_address.cpp
+++ b/src/wallet/addresses/witness_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/context.cpp b/src/wallet/context.cpp
index c78052ae2b..136acfe7d7 100644
--- a/src/wallet/context.cpp
+++ b/src/wallet/context.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/ec_point.cpp b/src/wallet/keys/ec_point.cpp
index caedb5393c..01743a9d33 100644
--- a/src/wallet/keys/ec_point.cpp
+++ b/src/wallet/keys/ec_point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/ec_private.cpp b/src/wallet/keys/ec_private.cpp
index 6d0fc4e1a7..91c2500af9 100644
--- a/src/wallet/keys/ec_private.cpp
+++ b/src/wallet/keys/ec_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/ec_public.cpp b/src/wallet/keys/ec_public.cpp
index f38d7b645c..b30c3a1b9a 100644
--- a/src/wallet/keys/ec_public.cpp
+++ b/src/wallet/keys/ec_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/ec_scalar.cpp b/src/wallet/keys/ec_scalar.cpp
index 63f96640a3..8538f4a900 100644
--- a/src/wallet/keys/ec_scalar.cpp
+++ b/src/wallet/keys/ec_scalar.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/ek_private.cpp b/src/wallet/keys/ek_private.cpp
index 53065a60b2..1353a7f977 100644
--- a/src/wallet/keys/ek_private.cpp
+++ b/src/wallet/keys/ek_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/ek_public.cpp b/src/wallet/keys/ek_public.cpp
index a1b0918f2d..75def485fa 100644
--- a/src/wallet/keys/ek_public.cpp
+++ b/src/wallet/keys/ek_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/ek_token.cpp b/src/wallet/keys/ek_token.cpp
index 94a868d0d9..3b2608c9d3 100644
--- a/src/wallet/keys/ek_token.cpp
+++ b/src/wallet/keys/ek_token.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/encrypted_keys.cpp b/src/wallet/keys/encrypted_keys.cpp
index 81b597ad08..08d1b07a53 100644
--- a/src/wallet/keys/encrypted_keys.cpp
+++ b/src/wallet/keys/encrypted_keys.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/hd_private.cpp b/src/wallet/keys/hd_private.cpp
index 1b17d85d16..da7f2402cb 100644
--- a/src/wallet/keys/hd_private.cpp
+++ b/src/wallet/keys/hd_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/hd_public.cpp b/src/wallet/keys/hd_public.cpp
index 102a64591f..717e073d82 100644
--- a/src/wallet/keys/hd_public.cpp
+++ b/src/wallet/keys/hd_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/mini_keys.cpp b/src/wallet/keys/mini_keys.cpp
index 132082ea24..b6e1fe2eb1 100644
--- a/src/wallet/keys/mini_keys.cpp
+++ b/src/wallet/keys/mini_keys.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_key.hpp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_key.hpp
index 8e90ec77fa..bd5fc5fd62 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_key.hpp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_key.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_key.ipp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_key.ipp
index e502459de6..07bb10a6e7 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_key.ipp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_key.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_prefix.hpp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_prefix.hpp
index ff5d8c79b9..83135018a9 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_prefix.hpp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_prefix.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_prefix.ipp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_prefix.ipp
index e88a1efdab..c6be3a938d 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_prefix.ipp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_prefix.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_private.cpp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_private.cpp
index 023da9642b..2fef15590a 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_private.cpp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_private.hpp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_private.hpp
index d11d4ec43d..94c5f2fa0e 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_private.hpp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_private.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_public.cpp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_public.cpp
index fd66924927..66b7078ca3 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_public.cpp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_public.hpp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_public.hpp
index a00a215605..1fed113491 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_public.hpp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_public.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_token.cpp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_token.cpp
index d4163cc5c3..5dfe69cc08 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_token.cpp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_token.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_token.hpp b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_token.hpp
index 432ae7c8ba..27bd07ea0b 100644
--- a/src/wallet/keys/parse_encrypted_keys/parse_encrypted_token.hpp
+++ b/src/wallet/keys/parse_encrypted_keys/parse_encrypted_token.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/keys/stealth.cpp b/src/wallet/keys/stealth.cpp
index 637544193c..5f7d162c4a 100644
--- a/src/wallet/keys/stealth.cpp
+++ b/src/wallet/keys/stealth.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/message.cpp b/src/wallet/message.cpp
index 714617abf4..5dc8f1f24b 100644
--- a/src/wallet/message.cpp
+++ b/src/wallet/message.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/mnemonics/electrum.cpp b/src/wallet/mnemonics/electrum.cpp
index 4e9ff91ce1..fa976394ad 100644
--- a/src/wallet/mnemonics/electrum.cpp
+++ b/src/wallet/mnemonics/electrum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/mnemonics/electrum_v1.cpp b/src/wallet/mnemonics/electrum_v1.cpp
index 6b6e3eee97..544644a4e4 100644
--- a/src/wallet/mnemonics/electrum_v1.cpp
+++ b/src/wallet/mnemonics/electrum_v1.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/mnemonics/mnemonic.cpp b/src/wallet/mnemonics/mnemonic.cpp
index 30a2f6a07f..5c8c10490b 100644
--- a/src/wallet/mnemonics/mnemonic.cpp
+++ b/src/wallet/mnemonics/mnemonic.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/neutrino.cpp b/src/wallet/neutrino.cpp
index d6820f7e65..bbb7900457 100644
--- a/src/wallet/neutrino.cpp
+++ b/src/wallet/neutrino.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/point_value.cpp b/src/wallet/point_value.cpp
index 9563650da1..4cb3df9ca8 100644
--- a/src/wallet/point_value.cpp
+++ b/src/wallet/point_value.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/points_value.cpp b/src/wallet/points_value.cpp
index 588928ba0c..e807496c03 100644
--- a/src/wallet/points_value.cpp
+++ b/src/wallet/points_value.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/words/catalogs/electrum.cpp b/src/words/catalogs/electrum.cpp
index a0f62c24af..884e42a2bc 100644
--- a/src/words/catalogs/electrum.cpp
+++ b/src/words/catalogs/electrum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/words/catalogs/electrum_v1.cpp b/src/words/catalogs/electrum_v1.cpp
index 28a04b6099..2435954d4c 100644
--- a/src/words/catalogs/electrum_v1.cpp
+++ b/src/words/catalogs/electrum_v1.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/words/catalogs/mnemonic.cpp b/src/words/catalogs/mnemonic.cpp
index dbb5618cf2..9a6a5757e8 100644
--- a/src/words/catalogs/mnemonic.cpp
+++ b/src/words/catalogs/mnemonic.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/words/languages.cpp b/src/words/languages.cpp
index d59b52922c..567124d968 100644
--- a/src/words/languages.cpp
+++ b/src/words/languages.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/allocator.cpp b/test/allocator.cpp
index 5ade65cc17..139d107bd1 100644
--- a/test/allocator.cpp
+++ b/test/allocator.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/arena.cpp b/test/arena.cpp
index 1738702d81..9cd8cad00a 100644
--- a/test/arena.cpp
+++ b/test/arena.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/annex.cpp b/test/chain/annex.cpp
index b21054679f..fcf4128802 100644
--- a/test/chain/annex.cpp
+++ b/test/chain/annex.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/block.cpp b/test/chain/block.cpp
index 4e7f683442..b15cb9fff0 100644
--- a/test/chain/block.cpp
+++ b/test/chain/block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/block_malleable.cpp b/test/chain/block_malleable.cpp
index dbd8f63fff..8c778a5814 100644
--- a/test/chain/block_malleable.cpp
+++ b/test/chain/block_malleable.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/chain_state.cpp b/test/chain/chain_state.cpp
index 1f1eed40d4..ff3bdf62a1 100644
--- a/test/chain/chain_state.cpp
+++ b/test/chain/chain_state.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/checkpoint.cpp b/test/chain/checkpoint.cpp
index d27de84ea9..c1a6fbae32 100644
--- a/test/chain/checkpoint.cpp
+++ b/test/chain/checkpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/compact.cpp b/test/chain/compact.cpp
index 9cffe7ac4d..be31e6eabe 100644
--- a/test/chain/compact.cpp
+++ b/test/chain/compact.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/context.cpp b/test/chain/context.cpp
index 1ae08481a2..95cf201855 100644
--- a/test/chain/context.cpp
+++ b/test/chain/context.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/enums/opcode.cpp b/test/chain/enums/opcode.cpp
index 47bcec216b..2628a63b57 100644
--- a/test/chain/enums/opcode.cpp
+++ b/test/chain/enums/opcode.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/header.cpp b/test/chain/header.cpp
index 799bc7cbda..a27bf662cb 100644
--- a/test/chain/header.cpp
+++ b/test/chain/header.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/input.cpp b/test/chain/input.cpp
index 1631002a43..e6c9e671ec 100644
--- a/test/chain/input.cpp
+++ b/test/chain/input.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/operation.cpp b/test/chain/operation.cpp
index 99e0254950..23c01bcf93 100644
--- a/test/chain/operation.cpp
+++ b/test/chain/operation.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/outpoint.cpp b/test/chain/outpoint.cpp
index 4aaaffafcb..6d1736617f 100644
--- a/test/chain/outpoint.cpp
+++ b/test/chain/outpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/output.cpp b/test/chain/output.cpp
index 15526a90f8..8011c7dd5c 100644
--- a/test/chain/output.cpp
+++ b/test/chain/output.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/point.cpp b/test/chain/point.cpp
index ce963a19dd..542c094719 100644
--- a/test/chain/point.cpp
+++ b/test/chain/point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/satoshi_words.cpp b/test/chain/satoshi_words.cpp
index 56ec4973ab..4ab9025060 100644
--- a/test/chain/satoshi_words.cpp
+++ b/test/chain/satoshi_words.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/script.cpp b/test/chain/script.cpp
index fa90dc1cba..25a0bbf04b 100644
--- a/test/chain/script.cpp
+++ b/test/chain/script.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/script.hpp b/test/chain/script.hpp
index 87eddcaa10..28fd64c6d3 100644
--- a/test/chain/script.hpp
+++ b/test/chain/script.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/stripper.cpp b/test/chain/stripper.cpp
index 1044d4f0d5..80df2c9425 100644
--- a/test/chain/stripper.cpp
+++ b/test/chain/stripper.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/taproot.cpp b/test/chain/taproot.cpp
index 538e1f759f..40c5d4ea8e 100644
--- a/test/chain/taproot.cpp
+++ b/test/chain/taproot.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/tapscript.cpp b/test/chain/tapscript.cpp
index ef56d17664..24937ad2d6 100644
--- a/test/chain/tapscript.cpp
+++ b/test/chain/tapscript.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/transaction.cpp b/test/chain/transaction.cpp
index 77f3744da8..b3ceb34402 100644
--- a/test/chain/transaction.cpp
+++ b/test/chain/transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/witness.cpp b/test/chain/witness.cpp
index f522915374..3ce4d2363b 100644
--- a/test/chain/witness.cpp
+++ b/test/chain/witness.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/authority.cpp b/test/config/authority.cpp
index 4eacb0b745..ce2f9abd88 100644
--- a/test/config/authority.cpp
+++ b/test/config/authority.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/base16.cpp b/test/config/base16.cpp
index a9d284a98e..76f5ef3398 100644
--- a/test/config/base16.cpp
+++ b/test/config/base16.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/base2.cpp b/test/config/base2.cpp
index 2cd6dcb23f..b425407c66 100644
--- a/test/config/base2.cpp
+++ b/test/config/base2.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/base32.cpp b/test/config/base32.cpp
index 1109d2acc2..756eb54a5c 100644
--- a/test/config/base32.cpp
+++ b/test/config/base32.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/base58.cpp b/test/config/base58.cpp
index 5af391c33a..7d881ce3fe 100644
--- a/test/config/base58.cpp
+++ b/test/config/base58.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/base64.cpp b/test/config/base64.cpp
index 67d60dea1a..8d4badcd84 100644
--- a/test/config/base64.cpp
+++ b/test/config/base64.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/base85.cpp b/test/config/base85.cpp
index c0f4838df1..26b31d2359 100644
--- a/test/config/base85.cpp
+++ b/test/config/base85.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/block.cpp b/test/config/block.cpp
index 693c6dbe61..f961eb9dc1 100644
--- a/test/config/block.cpp
+++ b/test/config/block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/endpoint.cpp b/test/config/endpoint.cpp
index 20d72396fe..89b97ed4c8 100644
--- a/test/config/endpoint.cpp
+++ b/test/config/endpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/hash256.cpp b/test/config/hash256.cpp
index 00aa4407f7..c5caabd84b 100644
--- a/test/config/hash256.cpp
+++ b/test/config/hash256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/parameter.cpp b/test/config/parameter.cpp
index e9862b14e9..75c43f3b73 100644
--- a/test/config/parameter.cpp
+++ b/test/config/parameter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/printer.cpp b/test/config/printer.cpp
index 4f8c83c8da..1b17167642 100644
--- a/test/config/printer.cpp
+++ b/test/config/printer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/url.cpp b/test/config/url.cpp
index 17d758ee53..2337185ac6 100644
--- a/test/config/url.cpp
+++ b/test/config/url.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/utilities.cpp b/test/config/utilities.cpp
index 10e23377f3..5d63676bf5 100644
--- a/test/config/utilities.cpp
+++ b/test/config/utilities.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/version.cpp b/test/config/version.cpp
index 762eb78347..64b5db8c3a 100644
--- a/test/config/version.cpp
+++ b/test/config/version.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/constants.cpp b/test/constants.cpp
index 8c8b208b09..fbd6a90f5c 100644
--- a/test/constants.cpp
+++ b/test/constants.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/constraints.cpp b/test/constraints.cpp
index 84709a3b0f..168931f736 100644
--- a/test/constraints.cpp
+++ b/test/constraints.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/crypto/aes256.cpp b/test/crypto/aes256.cpp
index 66208b9a2b..48f7f3d2f3 100644
--- a/test/crypto/aes256.cpp
+++ b/test/crypto/aes256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/crypto/elliptic_curve.cpp b/test/crypto/elliptic_curve.cpp
index 9538a0cea8..27d9661e62 100644
--- a/test/crypto/elliptic_curve.cpp
+++ b/test/crypto/elliptic_curve.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/crypto/pseudo_random.cpp b/test/crypto/pseudo_random.cpp
index 76442c4f64..df589e3d49 100644
--- a/test/crypto/pseudo_random.cpp
+++ b/test/crypto/pseudo_random.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/crypto/ring_signature.cpp b/test/crypto/ring_signature.cpp
index c00321bd6f..3097faba87 100644
--- a/test/crypto/ring_signature.cpp
+++ b/test/crypto/ring_signature.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/array_cast.cpp b/test/data/array_cast.cpp
index 699b8844f2..83237cb8db 100644
--- a/test/data/array_cast.cpp
+++ b/test/data/array_cast.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/byte_cast.cpp b/test/data/byte_cast.cpp
index 6549f9a275..c7103d6b72 100644
--- a/test/data/byte_cast.cpp
+++ b/test/data/byte_cast.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/collection.cpp b/test/data/collection.cpp
index 4cc0b046dd..dbf12818d5 100644
--- a/test/data/collection.cpp
+++ b/test/data/collection.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/data_array.cpp b/test/data/data_array.cpp
index 18857ddd5d..daf86001ed 100644
--- a/test/data/data_array.cpp
+++ b/test/data/data_array.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/data_chunk.cpp b/test/data/data_chunk.cpp
index b0fc6d4fae..2860458fb2 100644
--- a/test/data/data_chunk.cpp
+++ b/test/data/data_chunk.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/data_reference.cpp b/test/data/data_reference.cpp
index c5c7be30bb..cdeeed8470 100644
--- a/test/data/data_reference.cpp
+++ b/test/data/data_reference.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/data_slab.cpp b/test/data/data_slab.cpp
index d415a45d89..4981f4a54d 100644
--- a/test/data/data_slab.cpp
+++ b/test/data/data_slab.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/data_slice.cpp b/test/data/data_slice.cpp
index 4aef78a674..073b38c44f 100644
--- a/test/data/data_slice.cpp
+++ b/test/data/data_slice.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/exclusive_slice.cpp b/test/data/exclusive_slice.cpp
index 23d3349cd2..c1d56749e8 100644
--- a/test/data/exclusive_slice.cpp
+++ b/test/data/exclusive_slice.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/external_ptr.cpp b/test/data/external_ptr.cpp
index 4cae7be84f..dfc868bcb1 100644
--- a/test/data/external_ptr.cpp
+++ b/test/data/external_ptr.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/integer.cpp b/test/data/integer.cpp
index c5d5c4d592..45a4eb6440 100644
--- a/test/data/integer.cpp
+++ b/test/data/integer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/iterable.cpp b/test/data/iterable.cpp
index 3e4df5e5eb..40813073ad 100644
--- a/test/data/iterable.cpp
+++ b/test/data/iterable.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/memory.cpp b/test/data/memory.cpp
index 0eaa1128cf..2db36040a5 100644
--- a/test/data/memory.cpp
+++ b/test/data/memory.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/no_fill_allocator.cpp b/test/data/no_fill_allocator.cpp
index c460fadf59..02d05d28ed 100644
--- a/test/data/no_fill_allocator.cpp
+++ b/test/data/no_fill_allocator.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/data/string.cpp b/test/data/string.cpp
index 2a0e9dc14c..82771ca8b5 100644
--- a/test/data/string.cpp
+++ b/test/data/string.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/define.cpp b/test/define.cpp
index dee37a052c..3b7aca2b12 100644
--- a/test/define.cpp
+++ b/test/define.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/batch.cpp b/test/endian/batch.cpp
index ba3981dce2..f94ba10ef2 100644
--- a/test/endian/batch.cpp
+++ b/test/endian/batch.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/integers.cpp b/test/endian/integers.cpp
index 91f2ea21f4..793589f704 100644
--- a/test/endian/integers.cpp
+++ b/test/endian/integers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/integrals.cpp b/test/endian/integrals.cpp
index 207cb4657c..bba0dd4231 100644
--- a/test/endian/integrals.cpp
+++ b/test/endian/integrals.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/minimal.cpp b/test/endian/minimal.cpp
index cdee6ff51b..50e7962cb4 100644
--- a/test/endian/minimal.cpp
+++ b/test/endian/minimal.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/nominal.cpp b/test/endian/nominal.cpp
index 849210f752..47c42b3646 100644
--- a/test/endian/nominal.cpp
+++ b/test/endian/nominal.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/stream.cpp b/test/endian/stream.cpp
index 25c92a7e74..4a34e5e5b2 100644
--- a/test/endian/stream.cpp
+++ b/test/endian/stream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/swaps.cpp b/test/endian/swaps.cpp
index 32caca4a81..e8ef61e9b8 100644
--- a/test/endian/swaps.cpp
+++ b/test/endian/swaps.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/uintx_t.cpp b/test/endian/uintx_t.cpp
index 583f0b0cfc..35c0a72e54 100644
--- a/test/endian/uintx_t.cpp
+++ b/test/endian/uintx_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/endian/unsafe.cpp b/test/endian/unsafe.cpp
index c490c6ee0c..9e4281dab7 100644
--- a/test/endian/unsafe.cpp
+++ b/test/endian/unsafe.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/error/block_error_t.cpp b/test/error/block_error_t.cpp
index a0778d95e3..058ffec578 100644
--- a/test/error/block_error_t.cpp
+++ b/test/error/block_error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/error/error.cpp b/test/error/error.cpp
index cf494cf49e..6299617b5c 100644
--- a/test/error/error.cpp
+++ b/test/error/error.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/error/error_t.cpp b/test/error/error_t.cpp
index 54afbadd0e..8bb7319b11 100644
--- a/test/error/error_t.cpp
+++ b/test/error/error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/error/errorno_t.cpp b/test/error/errorno_t.cpp
index 9956b37024..00eb1f524d 100644
--- a/test/error/errorno_t.cpp
+++ b/test/error/errorno_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/error/op_error_t.cpp b/test/error/op_error_t.cpp
index 86786571fe..f32c847580 100644
--- a/test/error/op_error_t.cpp
+++ b/test/error/op_error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/error/script_error_t.cpp b/test/error/script_error_t.cpp
index 60bc3f3486..af8e7d339d 100644
--- a/test/error/script_error_t.cpp
+++ b/test/error/script_error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/error/transaction_error_t.cpp b/test/error/transaction_error_t.cpp
index 232f4b9147..dbb486fa0d 100644
--- a/test/error/transaction_error_t.cpp
+++ b/test/error/transaction_error_t.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/filter/bloom.cpp b/test/filter/bloom.cpp
index 83edb995e9..15e5046e32 100644
--- a/test/filter/bloom.cpp
+++ b/test/filter/bloom.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/filter/golomb.cpp b/test/filter/golomb.cpp
index c5815097c6..dcf6ae8b66 100644
--- a/test/filter/golomb.cpp
+++ b/test/filter/golomb.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/filter/sieve.cpp b/test/filter/sieve.cpp
index 16d3ba0b14..d04a0c9513 100644
--- a/test/filter/sieve.cpp
+++ b/test/filter/sieve.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/funclets.cpp b/test/funclets.cpp
index 69127d610c..ec0605b4e8 100644
--- a/test/funclets.cpp
+++ b/test/funclets.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hacks.cpp b/test/hacks.cpp
index 1e90c47e1f..b80ec4dfd3 100644
--- a/test/hacks.cpp
+++ b/test/hacks.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/accumulator.cpp b/test/hash/accumulator.cpp
index efd05ed690..702a0d16c0 100644
--- a/test/hash/accumulator.cpp
+++ b/test/hash/accumulator.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/checksum.cpp b/test/hash/checksum.cpp
index a2b27ed3ac..faf5c7cc37 100644
--- a/test/hash/checksum.cpp
+++ b/test/hash/checksum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/functions.cpp b/test/hash/functions.cpp
index db7d1bb03e..1fc63e3924 100644
--- a/test/hash/functions.cpp
+++ b/test/hash/functions.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/hash.hpp b/test/hash/hash.hpp
index 7a3ffbf7e5..8d34ec143e 100644
--- a/test/hash/hash.hpp
+++ b/test/hash/hash.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/hmac.cpp b/test/hash/hmac.cpp
index a5162dec3d..3c4146d00c 100644
--- a/test/hash/hmac.cpp
+++ b/test/hash/hmac.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/pbkd.cpp b/test/hash/pbkd.cpp
index 03a32ee657..4657875852 100644
--- a/test/hash/pbkd.cpp
+++ b/test/hash/pbkd.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/performance/performance.cpp b/test/hash/performance/performance.cpp
index a054ebbe37..0a2a95ab8f 100644
--- a/test/hash/performance/performance.cpp
+++ b/test/hash/performance/performance.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/performance/performance.hpp b/test/hash/performance/performance.hpp
index 1a7dfe199f..c55d733a7b 100644
--- a/test/hash/performance/performance.hpp
+++ b/test/hash/performance/performance.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/rmd/algorithm.cpp b/test/hash/rmd/algorithm.cpp
index da2808e371..ae078240d9 100644
--- a/test/hash/rmd/algorithm.cpp
+++ b/test/hash/rmd/algorithm.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/rmd/analysis.cpp b/test/hash/rmd/analysis.cpp
index ae9d0f49a8..4ef717af05 100644
--- a/test/hash/rmd/analysis.cpp
+++ b/test/hash/rmd/analysis.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/scrypt.cpp b/test/hash/scrypt.cpp
index 070b6a72de..f089018238 100644
--- a/test/hash/scrypt.cpp
+++ b/test/hash/scrypt.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/sha/algorithm.cpp b/test/hash/sha/algorithm.cpp
index 897c93dab6..91eebc518c 100644
--- a/test/hash/sha/algorithm.cpp
+++ b/test/hash/sha/algorithm.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/sha/analysis.cpp b/test/hash/sha/analysis.cpp
index 1a766e868e..aabf00857e 100644
--- a/test/hash/sha/analysis.cpp
+++ b/test/hash/sha/analysis.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/sha/sha160.cpp b/test/hash/sha/sha160.cpp
index b8ffe18b5b..b5f5aaa306 100644
--- a/test/hash/sha/sha160.cpp
+++ b/test/hash/sha/sha160.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/sha/sha256.cpp b/test/hash/sha/sha256.cpp
index 7f24daf529..1288b1b3be 100644
--- a/test/hash/sha/sha256.cpp
+++ b/test/hash/sha/sha256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/sha/sha512.cpp b/test/hash/sha/sha512.cpp
index 032dd71b9a..f593f4f5f9 100644
--- a/test/hash/sha/sha512.cpp
+++ b/test/hash/sha/sha512.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/sha/vector.cpp b/test/hash/sha/vector.cpp
index 1c68acfb2a..132b8346c3 100644
--- a/test/hash/sha/vector.cpp
+++ b/test/hash/sha/vector.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/siphash.cpp b/test/hash/siphash.cpp
index 8bc3a89c09..8e7ee5f770 100644
--- a/test/hash/siphash.cpp
+++ b/test/hash/siphash.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/hash/siphash.hpp b/test/hash/siphash.hpp
index 4e2e16a62d..35f22b85d6 100644
--- a/test/hash/siphash.hpp
+++ b/test/hash/siphash.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/byte_swap.cpp b/test/intrinsics/byte_swap.cpp
index e331b6039a..05e1bd64b5 100644
--- a/test/intrinsics/byte_swap.cpp
+++ b/test/intrinsics/byte_swap.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/cpuid.cpp b/test/intrinsics/cpuid.cpp
index 9835a8e3e8..34b6943e8a 100644
--- a/test/intrinsics/cpuid.cpp
+++ b/test/intrinsics/cpuid.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/detection.cpp b/test/intrinsics/detection.cpp
index 2ab1a9e82c..8089648bc2 100644
--- a/test/intrinsics/detection.cpp
+++ b/test/intrinsics/detection.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/intel_128.cpp b/test/intrinsics/intel_128.cpp
index dc800d678e..5aa81e63a8 100644
--- a/test/intrinsics/intel_128.cpp
+++ b/test/intrinsics/intel_128.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/intel_256.cpp b/test/intrinsics/intel_256.cpp
index 18bcf9f789..4da39a0960 100644
--- a/test/intrinsics/intel_256.cpp
+++ b/test/intrinsics/intel_256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/intel_512.cpp b/test/intrinsics/intel_512.cpp
index e30802586a..e7ee955958 100644
--- a/test/intrinsics/intel_512.cpp
+++ b/test/intrinsics/intel_512.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/platforms/intel.cpp b/test/intrinsics/platforms/intel.cpp
index 5e616219fe..eda53be40d 100644
--- a/test/intrinsics/platforms/intel.cpp
+++ b/test/intrinsics/platforms/intel.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/platforms/neon.cpp b/test/intrinsics/platforms/neon.cpp
index b75a43f36c..a6d1216880 100644
--- a/test/intrinsics/platforms/neon.cpp
+++ b/test/intrinsics/platforms/neon.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/platforms/sve.cpp b/test/intrinsics/platforms/sve.cpp
index aea6942ec7..75ef7d6c6a 100644
--- a/test/intrinsics/platforms/sve.cpp
+++ b/test/intrinsics/platforms/sve.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/rotate.cpp b/test/intrinsics/rotate.cpp
index fc6b75c93d..95df596d1f 100644
--- a/test/intrinsics/rotate.cpp
+++ b/test/intrinsics/rotate.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/intrinsics/types.cpp b/test/intrinsics/types.cpp
index 1d48c64e78..8c27d5000d 100644
--- a/test/intrinsics/types.cpp
+++ b/test/intrinsics/types.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/literals.cpp b/test/literals.cpp
index e5fa144fe4..a6f92d717e 100644
--- a/test/literals.cpp
+++ b/test/literals.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/interpreter.cpp b/test/machine/interpreter.cpp
index df5045c971..ec1ab14ce6 100644
--- a/test/machine/interpreter.cpp
+++ b/test/machine/interpreter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/number.cpp b/test/machine/number.cpp
index 13f065e052..c577c52eac 100644
--- a/test/machine/number.cpp
+++ b/test/machine/number.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/program.cpp b/test/machine/program.cpp
index 2dc4507e00..14fb91ec07 100644
--- a/test/machine/program.cpp
+++ b/test/machine/program.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/sizing.cpp b/test/machine/sizing.cpp
index 7d6a4bda6b..5ff2cdd8c3 100644
--- a/test/machine/sizing.cpp
+++ b/test/machine/sizing.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/stack.cpp b/test/machine/stack.cpp
index 39c971a4b1..6d16e2c1cd 100644
--- a/test/machine/stack.cpp
+++ b/test/machine/stack.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/main.cpp b/test/main.cpp
index 29056ca3e8..3126ccd38e 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/addition.cpp b/test/math/addition.cpp
index f124b6f7a9..c90c8e5382 100644
--- a/test/math/addition.cpp
+++ b/test/math/addition.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/bits.cpp b/test/math/bits.cpp
index 79c4ab2501..60e7bfb85e 100644
--- a/test/math/bits.cpp
+++ b/test/math/bits.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/bytes.cpp b/test/math/bytes.cpp
index 92f1e00645..5fe74b2dfd 100644
--- a/test/math/bytes.cpp
+++ b/test/math/bytes.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/byteswap.cpp b/test/math/byteswap.cpp
index 72f6b19c3d..92872b373a 100644
--- a/test/math/byteswap.cpp
+++ b/test/math/byteswap.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/cast.cpp b/test/math/cast.cpp
index e93b051791..cc05cf1546 100644
--- a/test/math/cast.cpp
+++ b/test/math/cast.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/division.cpp b/test/math/division.cpp
index c58f32f46b..982ae3b3f5 100644
--- a/test/math/division.cpp
+++ b/test/math/division.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/expectations.cpp b/test/math/expectations.cpp
index 7ef4dbaf9e..0f5810a2be 100644
--- a/test/math/expectations.cpp
+++ b/test/math/expectations.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/limits.cpp b/test/math/limits.cpp
index b6ee8b8e1c..fb41c9be77 100644
--- a/test/math/limits.cpp
+++ b/test/math/limits.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/logarithm.cpp b/test/math/logarithm.cpp
index f3e5e3bdb5..0ff54e39b8 100644
--- a/test/math/logarithm.cpp
+++ b/test/math/logarithm.cpp
@@ -1,5 +1,5 @@
 /**
-* Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+* Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
 *
 * This file is part of libbitcoin.
 *
diff --git a/test/math/multiplication.cpp b/test/math/multiplication.cpp
index 29f9bbf1f8..97b6f56d17 100644
--- a/test/math/multiplication.cpp
+++ b/test/math/multiplication.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/overflow.cpp b/test/math/overflow.cpp
index 721f8f4a79..b9710c343b 100644
--- a/test/math/overflow.cpp
+++ b/test/math/overflow.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/power.cpp b/test/math/power.cpp
index 8b74018e6f..0e71def591 100644
--- a/test/math/power.cpp
+++ b/test/math/power.cpp
@@ -1,5 +1,5 @@
 /**
-* Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+* Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
 *
 * This file is part of libbitcoin.
 *
diff --git a/test/math/rotate.cpp b/test/math/rotate.cpp
index 70f309d2dd..ab2284d02f 100644
--- a/test/math/rotate.cpp
+++ b/test/math/rotate.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/sign.cpp b/test/math/sign.cpp
index 01978a3d98..c6c1af2574 100644
--- a/test/math/sign.cpp
+++ b/test/math/sign.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/radix/base_10.cpp b/test/radix/base_10.cpp
index fde55f7c5f..b0a0a2483c 100644
--- a/test/radix/base_10.cpp
+++ b/test/radix/base_10.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/radix/base_16.cpp b/test/radix/base_16.cpp
index e3daa7ffa3..35eb26d403 100644
--- a/test/radix/base_16.cpp
+++ b/test/radix/base_16.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/radix/base_2048.cpp b/test/radix/base_2048.cpp
index 134d263da5..5e49f3c6c7 100644
--- a/test/radix/base_2048.cpp
+++ b/test/radix/base_2048.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/radix/base_2n.cpp b/test/radix/base_2n.cpp
index da9b3c776f..0779ec5bc2 100644
--- a/test/radix/base_2n.cpp
+++ b/test/radix/base_2n.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/radix/base_32.cpp b/test/radix/base_32.cpp
index ede16f8b0e..e2901d858c 100644
--- a/test/radix/base_32.cpp
+++ b/test/radix/base_32.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/radix/base_58.cpp b/test/radix/base_58.cpp
index d495b6c851..2bfd269665 100644
--- a/test/radix/base_58.cpp
+++ b/test/radix/base_58.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/radix/base_64.cpp b/test/radix/base_64.cpp
index 98a65291fe..dc25d2c2ac 100644
--- a/test/radix/base_64.cpp
+++ b/test/radix/base_64.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/radix/base_85.cpp b/test/radix/base_85.cpp
index 446db05fd2..e32e82c381 100644
--- a/test/radix/base_85.cpp
+++ b/test/radix/base_85.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/serial/deserialize.cpp b/test/serial/deserialize.cpp
index 0d774a581c..e55840cf7d 100644
--- a/test/serial/deserialize.cpp
+++ b/test/serial/deserialize.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/serial/props.cpp b/test/serial/props.cpp
index 4826e11035..16809a07c3 100644
--- a/test/serial/props.cpp
+++ b/test/serial/props.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/serial/serialize.cpp b/test/serial/serialize.cpp
index dbc172fe09..3c32226796 100644
--- a/test/serial/serialize.cpp
+++ b/test/serial/serialize.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/settings.cpp b/test/settings.cpp
index 3435c14704..210aef950c 100644
--- a/test/settings.cpp
+++ b/test/settings.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/binary.cpp b/test/stream/binary.cpp
index 44a673ec15..a9be780bea 100644
--- a/test/stream/binary.cpp
+++ b/test/stream/binary.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/device.cpp b/test/stream/device.cpp
index fb26d2e2e5..e2e553176a 100644
--- a/test/stream/device.cpp
+++ b/test/stream/device.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/devices/copy_sink.cpp b/test/stream/devices/copy_sink.cpp
index 3372563b11..119bc98dce 100644
--- a/test/stream/devices/copy_sink.cpp
+++ b/test/stream/devices/copy_sink.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/devices/copy_source.cpp b/test/stream/devices/copy_source.cpp
index 1f178a9c85..99e912125d 100644
--- a/test/stream/devices/copy_source.cpp
+++ b/test/stream/devices/copy_source.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/devices/flip_sink.cpp b/test/stream/devices/flip_sink.cpp
index 0d79b1c356..29fcc7a28d 100644
--- a/test/stream/devices/flip_sink.cpp
+++ b/test/stream/devices/flip_sink.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/devices/push_sink.cpp b/test/stream/devices/push_sink.cpp
index 8559a92abe..88a2e26707 100644
--- a/test/stream/devices/push_sink.cpp
+++ b/test/stream/devices/push_sink.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/iostream/iostream.cpp b/test/stream/iostream/iostream.cpp
index e9f3e73cd7..bf68ead044 100644
--- a/test/stream/iostream/iostream.cpp
+++ b/test/stream/iostream/iostream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/iostream/istream.cpp b/test/stream/iostream/istream.cpp
index 894182149f..5cf0957226 100644
--- a/test/stream/iostream/istream.cpp
+++ b/test/stream/iostream/istream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/iostream/ostream.cpp b/test/stream/iostream/ostream.cpp
index 43b89850e9..da66b69d17 100644
--- a/test/stream/iostream/ostream.cpp
+++ b/test/stream/iostream/ostream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/stream.cpp b/test/stream/stream.cpp
index 6d10966690..9c7dae2c74 100644
--- a/test/stream/stream.cpp
+++ b/test/stream/stream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers.cpp b/test/stream/streamers.cpp
index 8abe470d5a..57470fddb8 100644
--- a/test/stream/streamers.cpp
+++ b/test/stream/streamers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/bit_flipper.cpp b/test/stream/streamers/bit_flipper.cpp
index 18a0535fe5..9ad4502630 100644
--- a/test/stream/streamers/bit_flipper.cpp
+++ b/test/stream/streamers/bit_flipper.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/bit_reader.cpp b/test/stream/streamers/bit_reader.cpp
index 86e5611c7a..a6b5659689 100644
--- a/test/stream/streamers/bit_reader.cpp
+++ b/test/stream/streamers/bit_reader.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/bit_writer.cpp b/test/stream/streamers/bit_writer.cpp
index 4360495ef6..1a461352cb 100644
--- a/test/stream/streamers/bit_writer.cpp
+++ b/test/stream/streamers/bit_writer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/byte_flipper.cpp b/test/stream/streamers/byte_flipper.cpp
index a892bec96f..e0110ab1d3 100644
--- a/test/stream/streamers/byte_flipper.cpp
+++ b/test/stream/streamers/byte_flipper.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/byte_reader.cpp b/test/stream/streamers/byte_reader.cpp
index 7d4a607b76..559ddcbd18 100644
--- a/test/stream/streamers/byte_reader.cpp
+++ b/test/stream/streamers/byte_reader.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/byte_writer.cpp b/test/stream/streamers/byte_writer.cpp
index ea1deeacac..68d4a9b55e 100644
--- a/test/stream/streamers/byte_writer.cpp
+++ b/test/stream/streamers/byte_writer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/hex_reader.cpp b/test/stream/streamers/hex_reader.cpp
index 05444fa052..36892b1484 100644
--- a/test/stream/streamers/hex_reader.cpp
+++ b/test/stream/streamers/hex_reader.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/hex_writer.cpp b/test/stream/streamers/hex_writer.cpp
index f6297a816a..a00ec1ad5e 100644
--- a/test/stream/streamers/hex_writer.cpp
+++ b/test/stream/streamers/hex_writer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/sha256_writer.cpp b/test/stream/streamers/sha256_writer.cpp
index a67984b8f9..5d8cffd4ec 100644
--- a/test/stream/streamers/sha256_writer.cpp
+++ b/test/stream/streamers/sha256_writer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/sha256t_writer.cpp b/test/stream/streamers/sha256t_writer.cpp
index 11144a4035..8a6ff7e745 100644
--- a/test/stream/streamers/sha256t_writer.cpp
+++ b/test/stream/streamers/sha256t_writer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/stream/streamers/sha256x2_writer.cpp b/test/stream/streamers/sha256x2_writer.cpp
index 7db1e79f7d..a14a39b63b 100644
--- a/test/stream/streamers/sha256x2_writer.cpp
+++ b/test/stream/streamers/sha256x2_writer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/test.cpp b/test/test.cpp
index b7bcd20592..9e6d61c915 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/test.hpp b/test/test.hpp
index 94ff9cd74c..7c51bc349f 100644
--- a/test/test.hpp
+++ b/test/test.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/typelets.cpp b/test/typelets.cpp
index 488bbff15f..556a7f7f52 100644
--- a/test/typelets.cpp
+++ b/test/typelets.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/types.cpp b/test/types.cpp
index 3d3ecd04ed..41e21112df 100644
--- a/test/types.cpp
+++ b/test/types.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/ascii.cpp b/test/unicode/ascii.cpp
index 1721d82bb9..b0b8f5c8b5 100644
--- a/test/unicode/ascii.cpp
+++ b/test/unicode/ascii.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/code_points.cpp b/test/unicode/code_points.cpp
index 37d1563c65..acfe1c7a77 100644
--- a/test/unicode/code_points.cpp
+++ b/test/unicode/code_points.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/conversion.cpp b/test/unicode/conversion.cpp
index e719e2d0e5..c90a14699a 100644
--- a/test/unicode/conversion.cpp
+++ b/test/unicode/conversion.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/normalization.cpp b/test/unicode/normalization.cpp
index c03b57b363..4f3bf10048 100644
--- a/test/unicode/normalization.cpp
+++ b/test/unicode/normalization.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/utf8_everywhere/environment.cpp b/test/unicode/utf8_everywhere/environment.cpp
index d1e15c9f13..dfefc9defd 100644
--- a/test/unicode/utf8_everywhere/environment.cpp
+++ b/test/unicode/utf8_everywhere/environment.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/utf8_everywhere/ifstream.cpp b/test/unicode/utf8_everywhere/ifstream.cpp
index 311fef48f9..80759152ff 100644
--- a/test/unicode/utf8_everywhere/ifstream.cpp
+++ b/test/unicode/utf8_everywhere/ifstream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/utf8_everywhere/ofstream.cpp b/test/unicode/utf8_everywhere/ofstream.cpp
index 3ac787a626..6d00cfd354 100644
--- a/test/unicode/utf8_everywhere/ofstream.cpp
+++ b/test/unicode/utf8_everywhere/ofstream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/utf8_everywhere/paths.cpp b/test/unicode/utf8_everywhere/paths.cpp
index 48bf4b39d1..ff4859b971 100644
--- a/test/unicode/utf8_everywhere/paths.cpp
+++ b/test/unicode/utf8_everywhere/paths.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/utf8_everywhere/unicode_istream.cpp b/test/unicode/utf8_everywhere/unicode_istream.cpp
index 845f59c475..3dbbe36068 100644
--- a/test/unicode/utf8_everywhere/unicode_istream.cpp
+++ b/test/unicode/utf8_everywhere/unicode_istream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/utf8_everywhere/unicode_ostream.cpp b/test/unicode/utf8_everywhere/unicode_ostream.cpp
index 91e8051cf3..c60fe1806a 100644
--- a/test/unicode/utf8_everywhere/unicode_ostream.cpp
+++ b/test/unicode/utf8_everywhere/unicode_ostream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utreexo/utreexo.cpp b/test/utreexo/utreexo.cpp
index 5e4d83a98d..5954ccd52a 100644
--- a/test/utreexo/utreexo.cpp
+++ b/test/utreexo/utreexo.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utreexo/utreexo.hpp b/test/utreexo/utreexo.hpp
index c7c43386e1..b73fed0634 100644
--- a/test/utreexo/utreexo.hpp
+++ b/test/utreexo/utreexo.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/bitcoin_uri.cpp b/test/wallet/addresses/bitcoin_uri.cpp
index b76402f66c..783e823b0e 100644
--- a/test/wallet/addresses/bitcoin_uri.cpp
+++ b/test/wallet/addresses/bitcoin_uri.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/checked.cpp b/test/wallet/addresses/checked.cpp
index 5172a01602..7565ae71de 100644
--- a/test/wallet/addresses/checked.cpp
+++ b/test/wallet/addresses/checked.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/payment_address.cpp b/test/wallet/addresses/payment_address.cpp
index c0f66f5cba..3ece5a6d54 100644
--- a/test/wallet/addresses/payment_address.cpp
+++ b/test/wallet/addresses/payment_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/qr_code.cpp b/test/wallet/addresses/qr_code.cpp
index 94f594d2ff..894ea79aca 100644
--- a/test/wallet/addresses/qr_code.cpp
+++ b/test/wallet/addresses/qr_code.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/stealth_address.cpp b/test/wallet/addresses/stealth_address.cpp
index 276ceeabd2..0e49d0ac2b 100644
--- a/test/wallet/addresses/stealth_address.cpp
+++ b/test/wallet/addresses/stealth_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/stealth_receiver.cpp b/test/wallet/addresses/stealth_receiver.cpp
index 0bf27fe125..df85ad09ea 100644
--- a/test/wallet/addresses/stealth_receiver.cpp
+++ b/test/wallet/addresses/stealth_receiver.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/stealth_sender.cpp b/test/wallet/addresses/stealth_sender.cpp
index a301b89182..ac547a87b6 100644
--- a/test/wallet/addresses/stealth_sender.cpp
+++ b/test/wallet/addresses/stealth_sender.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/tiff.cpp b/test/wallet/addresses/tiff.cpp
index bed36f89e4..8d9070b04c 100644
--- a/test/wallet/addresses/tiff.cpp
+++ b/test/wallet/addresses/tiff.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/uri.cpp b/test/wallet/addresses/uri.cpp
index 3e478df531..f0d0e84d6a 100644
--- a/test/wallet/addresses/uri.cpp
+++ b/test/wallet/addresses/uri.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/uri_reader.cpp b/test/wallet/addresses/uri_reader.cpp
index 25651fd140..b97aced2f0 100644
--- a/test/wallet/addresses/uri_reader.cpp
+++ b/test/wallet/addresses/uri_reader.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/addresses/witness_address.cpp b/test/wallet/addresses/witness_address.cpp
index da6d3a7a9a..f6aa38df12 100644
--- a/test/wallet/addresses/witness_address.cpp
+++ b/test/wallet/addresses/witness_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/context.cpp b/test/wallet/context.cpp
index 96e2bc440f..0b9ed162e2 100644
--- a/test/wallet/context.cpp
+++ b/test/wallet/context.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/ec_point.cpp b/test/wallet/keys/ec_point.cpp
index 602dfd28b1..cd0430686a 100644
--- a/test/wallet/keys/ec_point.cpp
+++ b/test/wallet/keys/ec_point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/ec_private.cpp b/test/wallet/keys/ec_private.cpp
index ca985c1ab8..d362a4abdb 100644
--- a/test/wallet/keys/ec_private.cpp
+++ b/test/wallet/keys/ec_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/ec_public.cpp b/test/wallet/keys/ec_public.cpp
index 47359399ba..5472d05b5c 100644
--- a/test/wallet/keys/ec_public.cpp
+++ b/test/wallet/keys/ec_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/ec_scalar.cpp b/test/wallet/keys/ec_scalar.cpp
index f14feca15f..9e6d3ec560 100644
--- a/test/wallet/keys/ec_scalar.cpp
+++ b/test/wallet/keys/ec_scalar.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/encrypted_keys.cpp b/test/wallet/keys/encrypted_keys.cpp
index c18107fceb..9b52be2f73 100644
--- a/test/wallet/keys/encrypted_keys.cpp
+++ b/test/wallet/keys/encrypted_keys.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/hd_private.cpp b/test/wallet/keys/hd_private.cpp
index 5a521dca09..7418f5b651 100644
--- a/test/wallet/keys/hd_private.cpp
+++ b/test/wallet/keys/hd_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/hd_public.cpp b/test/wallet/keys/hd_public.cpp
index c388c230ff..33435943c9 100644
--- a/test/wallet/keys/hd_public.cpp
+++ b/test/wallet/keys/hd_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/mini_keys.cpp b/test/wallet/keys/mini_keys.cpp
index 61adadb4d7..57420b6ee0 100644
--- a/test/wallet/keys/mini_keys.cpp
+++ b/test/wallet/keys/mini_keys.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/keys/stealth.cpp b/test/wallet/keys/stealth.cpp
index 5c8cbc2c01..e3da18f59d 100644
--- a/test/wallet/keys/stealth.cpp
+++ b/test/wallet/keys/stealth.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/message.cpp b/test/wallet/message.cpp
index fc443154b7..92f4e5326a 100644
--- a/test/wallet/message.cpp
+++ b/test/wallet/message.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/mnemonics/electrum.cpp b/test/wallet/mnemonics/electrum.cpp
index cda461ca2f..7893c085f5 100644
--- a/test/wallet/mnemonics/electrum.cpp
+++ b/test/wallet/mnemonics/electrum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/mnemonics/electrum.hpp b/test/wallet/mnemonics/electrum.hpp
index 27b9e24973..9820a8993b 100644
--- a/test/wallet/mnemonics/electrum.hpp
+++ b/test/wallet/mnemonics/electrum.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/mnemonics/electrum_v1.cpp b/test/wallet/mnemonics/electrum_v1.cpp
index 78a0959110..5c522ad53e 100644
--- a/test/wallet/mnemonics/electrum_v1.cpp
+++ b/test/wallet/mnemonics/electrum_v1.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/mnemonics/electrum_v1.hpp b/test/wallet/mnemonics/electrum_v1.hpp
index b71cc3aadf..77debb1ca9 100644
--- a/test/wallet/mnemonics/electrum_v1.hpp
+++ b/test/wallet/mnemonics/electrum_v1.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/mnemonics/mnemonic.cpp b/test/wallet/mnemonics/mnemonic.cpp
index f1d7d26420..3bacc4f13e 100644
--- a/test/wallet/mnemonics/mnemonic.cpp
+++ b/test/wallet/mnemonics/mnemonic.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/mnemonics/mnemonic.hpp b/test/wallet/mnemonics/mnemonic.hpp
index 0f42aa39da..de19e09511 100644
--- a/test/wallet/mnemonics/mnemonic.hpp
+++ b/test/wallet/mnemonics/mnemonic.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/neutrino.cpp b/test/wallet/neutrino.cpp
index cbbc981fde..9e989ab635 100644
--- a/test/wallet/neutrino.cpp
+++ b/test/wallet/neutrino.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/point_value.cpp b/test/wallet/point_value.cpp
index 438af2b826..7c94544057 100644
--- a/test/wallet/point_value.cpp
+++ b/test/wallet/point_value.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/points_value.cpp b/test/wallet/points_value.cpp
index d849d58da5..9d7198b57f 100644
--- a/test/wallet/points_value.cpp
+++ b/test/wallet/points_value.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/catalogs/electrum.cpp b/test/words/catalogs/electrum.cpp
index 7fd5665cc2..da2895fc82 100644
--- a/test/words/catalogs/electrum.cpp
+++ b/test/words/catalogs/electrum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/catalogs/electrum.hpp b/test/words/catalogs/electrum.hpp
index 33ab1e8465..f37daafcb8 100644
--- a/test/words/catalogs/electrum.hpp
+++ b/test/words/catalogs/electrum.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/catalogs/electrum_v1.cpp b/test/words/catalogs/electrum_v1.cpp
index a17f8ca392..45fa8c3902 100644
--- a/test/words/catalogs/electrum_v1.cpp
+++ b/test/words/catalogs/electrum_v1.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/catalogs/electrum_v1.hpp b/test/words/catalogs/electrum_v1.hpp
index fa12dfedf8..254d16f5d9 100644
--- a/test/words/catalogs/electrum_v1.hpp
+++ b/test/words/catalogs/electrum_v1.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/catalogs/mnemonic.cpp b/test/words/catalogs/mnemonic.cpp
index 6659e32f0d..2b7578442f 100644
--- a/test/words/catalogs/mnemonic.cpp
+++ b/test/words/catalogs/mnemonic.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/catalogs/mnemonic.hpp b/test/words/catalogs/mnemonic.hpp
index 5314cf39a0..ffac88332c 100644
--- a/test/words/catalogs/mnemonic.hpp
+++ b/test/words/catalogs/mnemonic.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/dictionaries.cpp b/test/words/dictionaries.cpp
index a996a40cee..61fe52be3e 100644
--- a/test/words/dictionaries.cpp
+++ b/test/words/dictionaries.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/dictionaries.hpp b/test/words/dictionaries.hpp
index a430547e35..d290514dad 100644
--- a/test/words/dictionaries.hpp
+++ b/test/words/dictionaries.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/dictionary.cpp b/test/words/dictionary.cpp
index 8f42c7ee83..788ef31a13 100644
--- a/test/words/dictionary.cpp
+++ b/test/words/dictionary.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/dictionary.hpp b/test/words/dictionary.hpp
index 0ed6b7febf..a4e3602ead 100644
--- a/test/words/dictionary.hpp
+++ b/test/words/dictionary.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/languages.cpp b/test/words/languages.cpp
index 08c7d72b1a..b5f0d37637 100644
--- a/test/words/languages.cpp
+++ b/test/words/languages.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/words/languages.hpp b/test/words/languages.hpp
index f9e0308866..2d3bb0f634 100644
--- a/test/words/languages.hpp
+++ b/test/words/languages.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *