diff --git a/Cargo.lock b/Cargo.lock
index 934c8932..9441dcea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,7 +14,7 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
 dependencies = [
- "crypto-common",
+ "crypto-common 0.1.7",
  "generic-array",
 ]
 
@@ -133,7 +133,7 @@ dependencies = [
  "k256",
  "once_cell",
  "rand 0.8.6",
- "secp256k1",
+ "secp256k1 0.30.0",
  "serde",
  "serde_json",
  "serde_with",
@@ -179,9 +179,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-core"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23e8604b0c092fabc80d075ede181c9b9e596249c70b99253082d7e689836529"
+checksum = "62ddde5968de6044d67af107ad835bc0069a7ca245870b94c5958a7d8712b184"
 dependencies = [
  "alloy-dyn-abi",
  "alloy-json-abi",
@@ -192,9 +192,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-dyn-abi"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc2db5c583aaef0255aa63a4fe827f826090142528bba48d1bf4119b62780cad"
+checksum = "a475bb02d9cef2dbb99065c1664ab3fe1f9352e21d6d5ed3f02cdbfc06ed1abc"
 dependencies = [
  "alloy-json-abi",
  "alloy-primitives",
@@ -203,7 +203,7 @@ dependencies = [
  "itoa",
  "serde",
  "serde_json",
- "winnow 0.7.15",
+ "winnow 1.0.3",
 ]
 
 [[package]]
@@ -246,15 +246,16 @@ dependencies = [
 
 [[package]]
 name = "alloy-eip7928"
-version = "0.3.5"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec6ae911a2fc304a7cb80a79fb7bed6d1474aed4e7c203df1f8ff538f64fc78d"
+checksum = "6b827a6d7784fe3eb3489d40699407a4cdcce74271421a01bdffe60cf573bb16"
 dependencies = [
  "alloy-primitives",
  "alloy-rlp",
  "borsh",
  "once_cell",
  "serde",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -297,9 +298,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-json-abi"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9dbe713da0c737d9e5e387b0ba790eb98b14dd207fe53eef50e19a5a8ec3dac"
+checksum = "7c36c9d7f9021601b04bfef14a4b64849f6d73116a4e91e071d7fbfe10247901"
 dependencies = [
  "alloy-primitives",
  "alloy-sol-type-parser",
@@ -363,9 +364,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-primitives"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de3b431b4e72cd8bd0ec7a50b4be18e73dab74de0dba180eef171055e5d5926e"
+checksum = "4885c1409b6936c4898e646ef58baf6ec54edaf6d8179f79df805a7b85b7cf3e"
 dependencies = [
  "alloy-rlp",
  "bytes",
@@ -373,7 +374,7 @@ dependencies = [
  "const-hex",
  "derive_more",
  "foldhash 0.2.0",
- "hashbrown 0.16.1",
+ "hashbrown 0.17.1",
  "indexmap 2.14.0",
  "itoa",
  "k256",
@@ -384,8 +385,9 @@ dependencies = [
  "rapidhash",
  "ruint",
  "rustc-hash",
+ "secp256k1 0.31.1",
  "serde",
- "sha3",
+ "sha3 0.11.0",
 ]
 
 [[package]]
@@ -560,9 +562,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-sol-macro"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab81bab693da9bb79f7a95b64b394718259fdd7e41dceeced4cad57cb71c4f6a"
+checksum = "840128ed2b2971d6d4668a553fe403a82683d3acc646c73e75887e7157408033"
 dependencies = [
  "alloy-sol-macro-expander",
  "alloy-sol-macro-input",
@@ -574,9 +576,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-sol-macro-expander"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "489f1620bb7e2483fb5819ed01ab6edc1d2f93939dce35a5695085a1afd1d699"
+checksum = "63ec265e5d65d725175f6ca7711c970824c90ef9c0d1f1973711d4150ee612dd"
 dependencies = [
  "alloy-json-abi",
  "alloy-sol-macro-input",
@@ -586,16 +588,16 @@ dependencies = [
  "proc-macro-error2",
  "proc-macro2",
  "quote",
- "sha3",
+ "sha3 0.11.0",
  "syn 2.0.117",
  "syn-solidity",
 ]
 
 [[package]]
 name = "alloy-sol-macro-input"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56cef806ad22d4392c5fc83cf8f2089f988eb99c7067b4e0c6f1971fc1cca318"
+checksum = "89bf01077f18650876cfa682eb1f949967b5cde03f1a51c955c469d2c9b4aa67"
 dependencies = [
  "alloy-json-abi",
  "const-hex",
@@ -611,19 +613,19 @@ dependencies = [
 
 [[package]]
 name = "alloy-sol-type-parser"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6df77fea9d6a2a75c0ef8d2acbdfd92286cc599983d3175ccdc170d3433d249"
+checksum = "857b470ecdd2ed38beaf82ad1a38c516a8ff75266750f38b9eeed001d575241b"
 dependencies = [
  "serde",
- "winnow 0.7.15",
+ "winnow 1.0.3",
 ]
 
 [[package]]
 name = "alloy-sol-types"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64612d29379782a5dde6f4b6570d9c756d734d760c0c94c254d361e678a6591f"
+checksum = "384cf252de0db2dec52821eac037a7f57e2aa33fe5b900ce6fe39973402341f1"
 dependencies = [
  "alloy-json-abi",
  "alloy-primitives",
@@ -749,7 +751,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -760,7 +762,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -972,9 +974,9 @@ checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
 
 [[package]]
 name = "asn1-rs"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56624a96882bb8c26d61312ae18cb45868e5a9992ea73c58e45c3101e56a1e60"
+checksum = "b7f43a50ac4fdca5df8e885c21b835997f0a1cdee65494a6847694a98652d9d8"
 dependencies = [
  "asn1-rs-derive",
  "asn1-rs-impl",
@@ -1154,9 +1156,9 @@ checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
 [[package]]
 name = "aws-lc-rs"
-version = "1.16.3"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ec6fb3fe69024a75fa7e1bfb48aa6cf59706a101658ea01bfd33b2b248a038f"
+checksum = "5ec2f1fc3ec205783a5da9a7e6c1509cc69dedf09a1949e412c1e18469326d00"
 dependencies = [
  "aws-lc-sys",
  "zeroize",
@@ -1164,9 +1166,9 @@ dependencies = [
 
 [[package]]
 name = "aws-lc-sys"
-version = "0.40.0"
+version = "0.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f50037ee5e1e41e7b8f9d161680a725bd1626cb6f8c7e901f91f942850852fe7"
+checksum = "1a2f9779ce85b93ab6170dd940ad0169b5766ff848247aff13bb788b832fe3f4"
 dependencies = [
  "cc",
  "cmake",
@@ -1355,6 +1357,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "block-buffer"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdd35008169921d80bc60d3d0ab416eecb028c4cd653352907921d95084790be"
+dependencies = [
+ "hybrid-array",
+]
+
 [[package]]
 name = "blst"
 version = "0.3.16"
@@ -1587,9 +1598,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.2.61"
+version = "1.2.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d16d90359e986641506914ba71350897565610e87ce0ad9e6f28569db3dd5c6d"
+checksum = "a1dce859f0832a7d088c4f1119888ab94ef4b5d6795d1ce05afb7fe159d79f98"
 dependencies = [
  "find-msvc-tools",
  "jobserver",
@@ -1691,7 +1702,7 @@ version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
- "crypto-common",
+ "crypto-common 0.1.7",
  "inout",
  "zeroize",
 ]
@@ -2024,6 +2035,15 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce6e4c961d6cd6c9a86db418387425e8bdeaf05b3c8bc1411e6dca4c252f1453"
+dependencies = [
+ "hybrid-array",
+]
+
 [[package]]
 name = "ctor"
 version = "0.2.9"
@@ -2153,9 +2173,9 @@ dependencies = [
 
 [[package]]
 name = "dashmap"
-version = "6.1.0"
+version = "6.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5041cc499144891f3790297212f32a74fb938e5136a14943f338ef9e0ae276cf"
+checksum = "e6361d5c062261c78a176addb82d4c821ae42bed6089de0e12603cd25de2059c"
 dependencies = [
  "cfg-if",
  "crossbeam-utils",
@@ -2188,7 +2208,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccc2776f0c61eca1ca32528f85548abd1a4be8fb53d1b21c013e4f18da1e7090"
 dependencies = [
  "data-encoding",
- "syn 1.0.109",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -2293,12 +2313,22 @@ version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.10.4",
  "const-oid",
- "crypto-common",
+ "crypto-common 0.1.7",
  "subtle",
 ]
 
+[[package]]
+name = "digest"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1dd6dbb5841937940781866fa1281a1ff7bd3bf827091440879f9994983d5c2"
+dependencies = [
+ "block-buffer 0.12.0",
+ "crypto-common 0.2.2",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -2312,9 +2342,9 @@ dependencies = [
 
 [[package]]
 name = "docker_credential"
-version = "1.3.3"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4564c274ebf369f501de192b02a0b81a5c4bda375abfe526aa70fc702fa6fa0"
+checksum = "29547a1dc60885a552306986316bc9701ba120c1a8db6769fa68691529ad373d"
 dependencies = [
  "base64",
  "serde",
@@ -2398,9 +2428,9 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+checksum = "91622ff5e7162018101f2fea40d6ebf4a78bbe5a49736a2020649edf9693679e"
 dependencies = [
  "serde",
 ]
@@ -2489,7 +2519,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2528,9 +2558,9 @@ dependencies = [
 
 [[package]]
 name = "ethereum_ssz"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "368a4a4e4273b0135111fe9464e35465067766a8f664615b5a86338b73864407"
+checksum = "e462875ad8693755ea8913d6e905715c76ea4836e2254e18c9cf0f7a8f8c2a13"
 dependencies = [
  "alloy-primitives",
  "ethereum_serde_utils",
@@ -2543,9 +2573,9 @@ dependencies = [
 
 [[package]]
 name = "ethereum_ssz_derive"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2cd82c68120c89361e1a457245cf212f7d9f541bffaffed530c8f2d54a160b2"
+checksum = "daf022360bdbe9456eda5f35718a50476d5b2a0d51a97ed4eae27420737a6fba"
 dependencies = [
  "darling 0.23.0",
  "proc-macro2",
@@ -2642,13 +2672,12 @@ checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
 
 [[package]]
 name = "filetime"
-version = "0.2.27"
+version = "0.2.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f98844151eee8917efc50bd9e8318cb963ae8b297431495d3f758616ea5c57db"
+checksum = "5c287a33c7f0a620c38e641e7f60827713987b3c0f26e8ddc9462cc69cf75759"
 dependencies = [
  "cfg-if",
  "libc",
- "libredox",
 ]
 
 [[package]]
@@ -2843,12 +2872,12 @@ checksum = "037711b3d59c33004d3856fbdc83b99d4ff37a24768fa1be9ce3538a1cde4393"
 
 [[package]]
 name = "futures-timer"
-version = "3.0.3"
+version = "3.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f288b0a4f20f9a56b5d1da57e2227c661b7b16168e2f72365f57b63326e29b24"
+checksum = "af43fadb8a98512d547e37b4e92e0ced13e205c061b87b4623eff01d918d6968"
 dependencies = [
- "gloo-timers 0.2.6",
- "send_wrapper 0.4.0",
+ "gloo-timers 0.4.0",
+ "send_wrapper",
 ]
 
 [[package]]
@@ -2968,9 +2997,9 @@ checksum = "0cc23270f6e1808e30a928bdc84dea0b9b4136a8bc82338574f23baf47bbd280"
 
 [[package]]
 name = "gloo-timers"
-version = "0.2.6"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b995a66bb87bebce9a0f4a95aed01daca4872c050bfcb21653361c03bc35e5c"
+checksum = "bbb143cf96099802033e0d4f4963b19fd2e0b728bcf076cd9cf7f6634f092994"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -2980,9 +3009,9 @@ dependencies = [
 
 [[package]]
 name = "gloo-timers"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbb143cf96099802033e0d4f4963b19fd2e0b728bcf076cd9cf7f6634f092994"
+checksum = "482ce8a491a501da4cd806bd190275363d674f2845005c6ddbd5d3e1dd54495d"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -3003,9 +3032,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.4.13"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f44da3a8150a6703ed5d34e164b875fd14c2cdab9af1252a9a1020bde2bdc54"
+checksum = "171fefbc92fe4a4de27e0698d6a5b392d6a0e333506bc49133760b3bcf948733"
 dependencies = [
  "atomic-waker",
  "bytes",
@@ -3064,15 +3093,18 @@ dependencies = [
  "allocator-api2",
  "equivalent",
  "foldhash 0.2.0",
- "serde",
- "serde_core",
 ]
 
 [[package]]
 name = "hashbrown"
-version = "0.17.0"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
+checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
+dependencies = [
+ "foldhash 0.2.0",
+ "serde",
+ "serde_core",
+]
 
 [[package]]
 name = "hashlink"
@@ -3265,6 +3297,15 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "135b12329e5e3ce057a9f972339ea52bc954fe1e9358ef27f95e89716fbc5424"
 
+[[package]]
+name = "hybrid-array"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9155a582abd142abc056962c29e3ce5ff2ad5469f4246b537ed42c5deba857da"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "hyper"
 version = "1.9.0"
@@ -3363,7 +3404,7 @@ dependencies = [
  "libc",
  "percent-encoding",
  "pin-project-lite",
- "socket2 0.5.10",
+ "socket2 0.6.3",
  "system-configuration",
  "tokio",
  "tower-service",
@@ -3617,7 +3658,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9"
 dependencies = [
  "equivalent",
- "hashbrown 0.17.0",
+ "hashbrown 0.17.1",
  "serde",
  "serde_core",
 ]
@@ -3650,16 +3691,6 @@ version = "2.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d98f6fed1fde3f8c21bc40a1abb88dd75e67924f9cffc3ef95607bad8017f8e2"
 
-[[package]]
-name = "iri-string"
-version = "0.7.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25e659a4bb38e810ebc252e53b5814ff908a8c58c2a9ce2fae1bbec24cbf4e20"
-dependencies = [
- "memchr",
- "serde",
-]
-
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.2"
@@ -3760,9 +3791,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.97"
+version = "0.3.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1840c94c045fbcf8ba2812c95db44499f7c64910a912551aaaa541decebcacf"
+checksum = "67df7112613f8bfd9150013a0314e196f4800d3201ae742489d999db2f979f08"
 dependencies = [
  "cfg-if",
  "futures-util",
@@ -3794,11 +3825,21 @@ dependencies = [
  "cpufeatures 0.2.17",
 ]
 
+[[package]]
+name = "keccak"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e24a010dd405bd7ed803e5253182815b41bf2e6a80cc3bfc066658e03a198aa"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.0",
+]
+
 [[package]]
 name = "keccak-asm"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa468878266ad91431012b3e5ef1bf9b170eab22883503a318d46857afa4579a"
+checksum = "1766b89733097006f3a1388a02849865d6bc98c89273cb622e29fdd209922183"
 dependencies = [
  "digest 0.10.7",
  "sha3-asm",
@@ -3839,9 +3880,9 @@ checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.18.3+1.9.2"
+version = "0.18.4+1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9b3acc4b91781bb0b3386669d325163746af5f6e4f73e6d2d630e09a35f3487"
+checksum = "9b26f66f35e1871b22efcf7191564123d2a446ca0538cde63c23adfefa9b15b7"
 dependencies = [
  "cc",
  "libc",
@@ -4259,7 +4300,7 @@ dependencies = [
  "pin-project",
  "rand 0.8.6",
  "salsa20",
- "sha3",
+ "sha3 0.10.9",
  "tracing",
 ]
 
@@ -4485,7 +4526,7 @@ dependencies = [
  "libp2p-core",
  "libp2p-identity",
  "libp2p-webrtc-utils",
- "send_wrapper 0.6.0",
+ "send_wrapper",
  "thiserror 2.0.18",
  "tracing",
  "wasm-bindgen",
@@ -4524,7 +4565,7 @@ dependencies = [
  "futures",
  "js-sys",
  "libp2p-core",
- "send_wrapper 0.6.0",
+ "send_wrapper",
  "thiserror 2.0.18",
  "tracing",
  "wasm-bindgen",
@@ -4544,7 +4585,7 @@ dependencies = [
  "libp2p-noise",
  "multiaddr",
  "multihash",
- "send_wrapper 0.6.0",
+ "send_wrapper",
  "thiserror 2.0.18",
  "tracing",
  "wasm-bindgen",
@@ -4567,18 +4608,6 @@ dependencies = [
  "yamux 0.13.10",
 ]
 
-[[package]]
-name = "libredox"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e02f3bb43d335493c96bf3fd3a321600bf6bd07ed34bc64118e9293bdffea46c"
-dependencies = [
- "bitflags",
- "libc",
- "plain",
- "redox_syscall 0.7.4",
-]
-
 [[package]]
 name = "libz-sys"
 version = "1.1.28"
@@ -4645,9 +4674,9 @@ checksum = "112b39cec0b298b6c1999fee3e31427f74f676e4cb9879ed1a121b43661a4154"
 
 [[package]]
 name = "macro-string"
-version = "0.1.4"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b27834086c65ec3f9387b096d66e99f221cf081c2b738042aa252bcd41204e3"
+checksum = "59a9dbbfc75d2688ed057456ce8a3ee3f48d12eec09229f560f3643b9f275653"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4925,7 +4954,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -4963,9 +4992,9 @@ dependencies = [
 
 [[package]]
 name = "num-conv"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6673768db2d862beb9b39a78fdcb1a69439615d5794a1be50caa9bc92c81967"
+checksum = "521739c6d2bac4aa25192232afe6841231376b2b26d4d9fae5ecf8ca5772e441"
 
 [[package]]
 name = "num-integer"
@@ -5088,7 +5117,7 @@ dependencies = [
  "oas3",
  "prettyplease",
  "proc-macro2",
- "quick-xml",
+ "quick-xml 0.40.1",
  "quote",
  "regex",
  "reqwest 0.13.3",
@@ -5141,9 +5170,9 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "openssl"
-version = "0.10.79"
+version = "0.10.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf0b434746ee2832f4f0baf10137e1cabb18cbe6912c69e2e33263c45250f542"
+checksum = "a45fa2aa886c42762255da344f0a0d313e254066c46aad76f300c3d3da62d967"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -5172,9 +5201,9 @@ checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.115"
+version = "0.9.116"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "158fe5b292746440aa6e7a7e690e55aeb72d41505e2804c23c6973ad0e9c9781"
+checksum = "f28a22dc7140cda5f096e5e7724a6962ca81a7f8bfd2979f9b18c11af56318c4"
 dependencies = [
  "cc",
  "libc",
@@ -5256,7 +5285,7 @@ checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall 0.5.18",
+ "redox_syscall",
  "smallvec",
  "windows-link",
 ]
@@ -5361,18 +5390,18 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.1.11"
+version = "1.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1749c7ed4bcaf4c3d0a3efc28538844fb29bcdd7d2b67b2be7e20ba861ff517"
+checksum = "2466b2336ed02bcdca6b294417127b90ec92038d1d5c4fbeac971a922e0e0924"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "1.1.11"
+version = "1.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b20ed30f105399776b9c883e68e536ef602a16ae6f596d2c473591d6ad64c6"
+checksum = "c96395f0a926bc13b1c17622aaddda1ecb55d49c8f1bf9777e4d877800a43f8b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5407,12 +5436,6 @@ version = "0.3.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19f132c84eca552bf34cab8ec81f1c1dcc229b811638f9d283dceabe58c5569e"
 
-[[package]]
-name = "plain"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
-
 [[package]]
 name = "plotters"
 version = "0.3.7"
@@ -5509,7 +5532,7 @@ dependencies = [
  "pluto-ssz",
  "pluto-testutil",
  "pluto-tracing",
- "quick-xml",
+ "quick-xml 0.39.4",
  "rand 0.8.6",
  "reqwest 0.13.3",
  "serde",
@@ -5727,7 +5750,7 @@ dependencies = [
  "serde_json",
  "serde_with",
  "sha2",
- "sha3",
+ "sha3 0.10.9",
  "tempfile",
  "test-case",
  "thiserror 2.0.18",
@@ -6222,9 +6245,19 @@ dependencies = [
 
 [[package]]
 name = "quick-xml"
-version = "0.39.2"
+version = "0.39.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdcc8dd4e2f670d309a5f0e83fe36dfdc05af317008fea29144da1a2ac858e5e"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
+[[package]]
+name = "quick-xml"
+version = "0.40.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "958f21e8e7ceb5a1aa7fa87fab28e7c75976e0bfe7e23ff069e0a260f894067d"
+checksum = "2474bd2e5029e7ccb6abb2ba48cf2383a333851dedf495901544281590c7da7f"
 dependencies = [
  "memchr",
  "serde",
@@ -6244,7 +6277,7 @@ dependencies = [
  "quinn-udp",
  "rustc-hash",
  "rustls",
- "socket2 0.5.10",
+ "socket2 0.6.3",
  "thiserror 2.0.18",
  "tokio",
  "tracing",
@@ -6282,7 +6315,7 @@ dependencies = [
  "cfg_aliases",
  "libc",
  "once_cell",
- "socket2 0.5.10",
+ "socket2 0.6.3",
  "tracing",
  "windows-sys 0.60.2",
 ]
@@ -6494,15 +6527,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f450ad9c3b1da563fb6948a8e0fb0fb9269711c9c73d9ea1de5058c79c8d643a"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "ref-cast"
 version = "1.0.25"
@@ -6774,7 +6798,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -6833,7 +6857,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -6981,10 +7005,21 @@ checksum = "b50c5943d326858130af85e049f2661ba3c78b26589b8ab98e65e80ae44a1252"
 dependencies = [
  "bitcoin_hashes",
  "rand 0.8.6",
- "secp256k1-sys",
+ "secp256k1-sys 0.10.1",
  "serde",
 ]
 
+[[package]]
+name = "secp256k1"
+version = "0.31.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c3c81b43dc2d8877c216a3fccf76677ee1ebccd429566d3e67447290d0c42b2"
+dependencies = [
+ "bitcoin_hashes",
+ "rand 0.9.4",
+ "secp256k1-sys 0.11.0",
+]
+
 [[package]]
 name = "secp256k1-sys"
 version = "0.10.1"
@@ -6994,6 +7029,15 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "secp256k1-sys"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcb913707158fadaf0d8702c2db0e857de66eb003ccfdda5924b5f5ac98efb38"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "security-framework"
 version = "3.7.0"
@@ -7045,12 +7089,6 @@ dependencies = [
  "pest",
 ]
 
-[[package]]
-name = "send_wrapper"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f638d531eccd6e23b980caf34876660d38e265409d8e99b397ab71eb3612fad0"
-
 [[package]]
 name = "send_wrapper"
 version = "0.6.0"
@@ -7149,11 +7187,12 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.19.0"
+version = "3.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f05839ce67618e14a09b286535c0d9c94e85ef25469b0e13cb4f844e5593eb19"
+checksum = "e72c1c2cb7b223fafb600a619537a871c2818583d619401b785e7c0b746ccde2"
 dependencies = [
  "base64",
+ "bs58",
  "chrono",
  "hex",
  "indexmap 1.9.3",
@@ -7168,9 +7207,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.19.0"
+version = "3.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf2ebbe86054f9b45bc3881e865683ccfaccce97b9b4cb53f3039d67f355a334"
+checksum = "b90c488738ecb4fb0262f41f43bc40efc5868d9fb744319ddf5f5317f417bfac"
 dependencies = [
  "darling 0.23.0",
  "proc-macro2",
@@ -7230,14 +7269,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77fd7028345d415a4034cf8777cd4f8ab1851274233b45f84e3d955502d93874"
 dependencies = [
  "digest 0.10.7",
- "keccak",
+ "keccak 0.1.6",
+]
+
+[[package]]
+name = "sha3"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be176f1a57ce4e3d31c1a166222d9768de5954f811601fb7ca06fc8203905ce1"
+dependencies = [
+ "digest 0.11.3",
+ "keccak 0.2.0",
 ]
 
 [[package]]
 name = "sha3-asm"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59cbb88c189d6352cc8ae96a39d19c7ecad8f7330b29461187f2587fdc2988d5"
+checksum = "9f3f15d4e239ebe08413eed880e0f9b5af4b40ee0472543320efa91d488e96a7"
 dependencies = [
  "cc",
  "cfg-if",
@@ -7355,7 +7404,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
 dependencies = [
  "libc",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -7475,9 +7524,9 @@ dependencies = [
 
 [[package]]
 name = "syn-solidity"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53f425ae0b12e2f5ae65542e00898d500d4d318b4baf09f40fd0d410454e9947"
+checksum = "ec005042c7d952febc1a3ef5b0f6674e9054aa836877a31c90b20e25b3d31744"
 dependencies = [
  "paste",
  "proc-macro2",
@@ -7554,9 +7603,9 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "tar"
-version = "0.4.45"
+version = "0.4.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22692a6476a21fa75fdfc11d452fda482af402c008cdbaf3476414e122040973"
+checksum = "3f6221d9a6003c78398e3b239969f352578258df48c8eb051caadae0015bc840"
 dependencies = [
  "filetime",
  "libc",
@@ -7573,7 +7622,7 @@ dependencies = [
  "getrandom 0.4.2",
  "once_cell",
  "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -7766,9 +7815,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.52.1"
+version = "1.52.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b67dee974fe86fd92cc45b7a95fdd2f99a36a6d7b0d431a231178d3d670bbcc6"
+checksum = "8fc7f01b389ac15039e4dc9531aa973a135d7a4135281b12d7c1bc79fd57fffe"
 dependencies = [
  "bytes",
  "libc",
@@ -7890,7 +7939,7 @@ dependencies = [
  "indexmap 2.14.0",
  "toml_datetime 1.1.1+spec-1.1.0",
  "toml_parser",
- "winnow 1.0.2",
+ "winnow 1.0.3",
 ]
 
 [[package]]
@@ -7899,7 +7948,7 @@ version = "1.1.2+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2abe9b86193656635d2411dc43050282ca48aa31c2451210f4202550afb7526"
 dependencies = [
- "winnow 1.0.2",
+ "winnow 1.0.3",
 ]
 
 [[package]]
@@ -7910,9 +7959,9 @@ checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
 [[package]]
 name = "tonic"
-version = "0.14.5"
+version = "0.14.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fec7c61a0695dc1887c1b53952990f3ad2e3a31453e1f49f10e75424943a93ec"
+checksum = "ac2a5518c70fa84342385732db33fb3f44bc4cc748936eb5833d2df34d6445ef"
 dependencies = [
  "async-trait",
  "axum",
@@ -7939,9 +7988,9 @@ dependencies = [
 
 [[package]]
 name = "tonic-prost"
-version = "0.14.5"
+version = "0.14.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a55376a0bbaa4975a3f10d009ad763d8f4108f067c7c2e74f3001fb49778d309"
+checksum = "50849f68853be452acf590cde0b146665b8d507b3b8af17261df47e02c209ea0"
 dependencies = [
  "bytes",
  "prost 0.14.3",
@@ -7969,20 +8018,20 @@ dependencies = [
 
 [[package]]
 name = "tower-http"
-version = "0.6.8"
+version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4e6559d53cc268e5031cd8429d05415bc4cb4aefc4aa5d6cc35fbf5b924a1f8"
+checksum = "4cfcf7e2740e6fc6d4d688b4ef00650406bb94adf4731e43c096c3a19fe40840"
 dependencies = [
  "bitflags",
  "bytes",
  "futures-util",
  "http",
  "http-body",
- "iri-string",
  "pin-project-lite",
  "tower",
  "tower-layer",
  "tower-service",
+ "url",
 ]
 
 [[package]]
@@ -8043,9 +8092,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-loki"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba3beec919fbdf99d719de8eda6adae3281f8a5b71ae40431f44dc7423053d34"
+checksum = "a8d1ad78bf74c1790b0825ddc35ad1bb9498736c51c8437796b81cadf4916cd8"
 dependencies = [
  "loki-api",
  "reqwest 0.12.28",
@@ -8053,7 +8102,6 @@ dependencies = [
  "serde_json",
  "snap",
  "tokio",
- "tokio-stream",
  "tracing",
  "tracing-core",
  "tracing-log",
@@ -8202,7 +8250,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc1de2c688dc15305988b563c3854064043356019f97a4b46276fe734c4f07ea"
 dependencies = [
- "crypto-common",
+ "crypto-common 0.1.7",
  "subtle",
 ]
 
@@ -8449,9 +8497,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.120"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df52b6d9b87e0c74c9edfa1eb2d9bf85e5d63515474513aa50fa181b3c4f5db1"
+checksum = "49ace1d07c165b0864824eee619580c4689389afa9dc9ed3a4c75040d82e6790"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -8462,9 +8510,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.70"
+version = "0.4.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af934872acec734c2d80e6617bbb5ff4f12b052dd8e6332b0817bce889516084"
+checksum = "96492d0d3ffba25305a7dc88720d250b1401d7edca02cc3bcd50633b424673b8"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -8472,9 +8520,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.120"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78b1041f495fb322e64aca85f5756b2172e35cd459376e67f2a6c9dffcedb103"
+checksum = "8e68e6f4afd367a562002c05637acb8578ff2dea1943df76afb9e83d177c8578"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -8482,9 +8530,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.120"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dcd0ff20416988a18ac686d4d4d0f6aae9ebf08a389ff5d29012b05af2a1b41"
+checksum = "d95a9ec35c64b2a7cb35d3fead40c4238d0940c86d107136999567a4703259f2"
 dependencies = [
  "bumpalo",
  "proc-macro2",
@@ -8495,9 +8543,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.120"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49757b3c82ebf16c57d69365a142940b384176c24df52a087fb748e2085359ea"
+checksum = "c4e0100b01e9f0d03189a92b96772a1fb998639d981193d7dbab487302513441"
 dependencies = [
  "unicode-ident",
 ]
@@ -8565,9 +8613,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.97"
+version = "0.3.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eadbac71025cd7b0834f20d1fe8472e8495821b4e9801eb0a60bd1f19827602"
+checksum = "4b572dff8bcf38bad0fa19729c89bb5748b2b9b1d8be70cf90df697e3a8f32aa"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -8638,7 +8686,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -8988,9 +9036,9 @@ dependencies = [
 
 [[package]]
 name = "winnow"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ee1708bef14716a11bae175f579062d4554d95be2c6829f518df847b7b3fdd0"
+checksum = "0592e1c9d151f854e6fd382574c3a0855250e1d9b2f99d9281c6e6391af352f1"
 dependencies = [
  "memchr",
 ]
@@ -9266,9 +9314,9 @@ dependencies = [
 
 [[package]]
 name = "zerofrom"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69faa1f2a1ea75661980b013019ed6687ed0e83d069bc1114e2cc74c6c04c4df"
+checksum = "0ec05a11813ea801ff6d75110ad09cd0824ddba17dfe17128ea0d5f68e6c5272"
 dependencies = [
  "zerofrom-derive",
 ]
diff --git a/crates/core/src/aggsigdb/memory.rs b/crates/core/src/aggsigdb/memory.rs
new file mode 100644
index 00000000..1e6af9f5
--- /dev/null
+++ b/crates/core/src/aggsigdb/memory.rs
@@ -0,0 +1,420 @@
+use crate::{deadline::Deadliner, types};
+use std::{
+    collections::{HashMap, hash_map::Entry},
+    sync::Arc,
+};
+use tokio::sync::{Mutex, Notify};
+
+/// Errors for the in-memory AggSigDB implementation.
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    /// Data for the same duty and public key already exists but does not match
+    /// the new data.
+    #[error("Mismatching data")]
+    MismatchingData,
+}
+
+/// An in-memory implementation of the AggSigDB.
+///
+/// Share an instance by cloning. Cloning is cheap and creates a new reference
+/// to the same underlying data.
+#[derive(Clone)]
+pub struct MemDB(Arc<MemDBInner>);
+
+struct MemDBInner {
+    data: Mutex<HashMap<(types::Duty, types::PubKey), Box<dyn types::SignedData>>>,
+    deadliner: Arc<dyn Deadliner>,
+    notify: Notify,
+}
+
+impl MemDB {
+    /// Creates a new in-memory AggSigDB instance.
+    pub fn new(deadliner: Arc<dyn Deadliner>) -> Self {
+        let this = Self(Arc::new(MemDBInner {
+            data: Mutex::new(HashMap::new()),
+            deadliner: Arc::clone(&deadliner),
+            notify: Notify::new(),
+        }));
+
+        match deadliner.c() {
+            Some(evictions) => {
+                tokio::spawn(Self::evict(Arc::downgrade(&this.0), evictions));
+            }
+            None => {
+                tracing::warn!("Deadliner channel is not available");
+            }
+        }
+
+        this
+    }
+
+    async fn evict(
+        inner: std::sync::Weak<MemDBInner>,
+        mut evictions: tokio::sync::mpsc::Receiver<types::Duty>,
+    ) {
+        while let Some(duty) = evictions.recv().await {
+            let Some(inner) = inner.upgrade() else {
+                return;
+            };
+            inner.data.lock().await.retain(|(d, _), _| d != &duty);
+        }
+    }
+
+    /// Stores aggregated signed duty data set.
+    pub async fn store(&self, duty: types::Duty, set: types::SignedDataSet) -> Result<(), Error> {
+        let mut data = self.0.data.lock().await;
+
+        // TODO(charon): Distinguish between no deadline supported vs already expired.
+        let _ = self.0.deadliner.add(duty.clone()).await;
+
+        // NOTE: Partial insertions on error match the semantics of Charon.
+        let mut inserted = false;
+        let result = set.into_iter().try_for_each(|(pub_key, signed_data)| {
+            let key = (duty.clone(), pub_key);
+
+            match data.entry(key) {
+                Entry::Occupied(slot) if slot.get().as_ref() != signed_data.as_ref() => {
+                    Err(Error::MismatchingData)
+                }
+                Entry::Occupied(_) => Ok(()),
+                Entry::Vacant(slot) => {
+                    slot.insert(signed_data);
+                    inserted = true;
+                    Ok(())
+                }
+            }
+        });
+
+        if inserted {
+            // TODO: Optimize to only wake those who are waiting for the specific duty and
+            // pubkey, rather than all waiters.
+            self.0.notify.notify_waiters();
+        }
+
+        result
+    }
+
+    /// Blocks and returns the aggregated signed duty data when available.
+    ///
+    /// Might block indefinitely if no data is ever stored for the given duty
+    /// and public key.
+    pub async fn wait_for(
+        &self,
+        duty: types::Duty,
+        pub_key: types::PubKey,
+    ) -> Box<dyn types::SignedData> {
+        let k = (duty, pub_key);
+        loop {
+            // Register interest before checking the map so that a concurrent `store` either
+            // (a) inserts before we check and we observe the value, or (b) inserts after
+            // our `notified()` is enabled and wakes us.
+            let notified = self.0.notify.notified();
+            tokio::pin!(notified);
+            notified.as_mut().enable();
+
+            {
+                let data = self.0.data.lock().await;
+                if let Some(data) = data.get(&k) {
+                    return data.clone();
+                }
+            }
+
+            notified.await;
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::{
+        deadline::Deadliner,
+        signeddata::SignedDataError,
+        types::{Duty, PubKey, Signature, SignedData, SignedDataSet, SlotNumber},
+    };
+    use async_trait::async_trait;
+    use std::sync::Arc;
+    use tokio::sync;
+
+    /// Some mock signed data type for testing.
+    #[derive(Debug, Clone, PartialEq, Eq)]
+    struct MockSignedData(u8);
+
+    impl SignedData for MockSignedData {
+        fn signature(&self) -> Result<Signature, SignedDataError> {
+            Ok(Signature::new([self.0; 96]))
+        }
+
+        fn set_signature(&self, _signature: Signature) -> Result<Self, SignedDataError> {
+            Ok(self.clone())
+        }
+
+        fn message_root(&self) -> Result<[u8; 32], SignedDataError> {
+            Ok([self.0; 32])
+        }
+    }
+
+    impl MockSignedData {
+        fn singleton(&self, pub_key: PubKey) -> SignedDataSet {
+            let mut set = SignedDataSet::new();
+            set.insert(pub_key, self.clone());
+            set
+        }
+
+        fn boxed(&self) -> Box<dyn SignedData> {
+            Box::new(self.clone())
+        }
+    }
+
+    /// Deadliner that hands out a caller-supplied receiver, allowing tests to
+    /// drive eviction by sending on the paired sender.
+    struct TestDeadliner(std::sync::Mutex<Option<sync::mpsc::Receiver<Duty>>>);
+
+    impl TestDeadliner {
+        fn new(receiver: sync::mpsc::Receiver<Duty>) -> Arc<Self> {
+            Arc::new(Self(std::sync::Mutex::new(Some(receiver))))
+        }
+
+        /// Creates a deadliner that never returns any duties to evict, so no
+        /// eviction will occur.
+        fn never() -> Arc<Self> {
+            Arc::new(Self(std::sync::Mutex::new(None)))
+        }
+    }
+
+    #[async_trait]
+    impl Deadliner for TestDeadliner {
+        async fn add(&self, _duty: Duty) -> bool {
+            true
+        }
+
+        fn c(&self) -> Option<sync::mpsc::Receiver<Duty>> {
+            self.0.lock().unwrap().take()
+        }
+    }
+
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn write_read() {
+        let store = super::MemDB::new(TestDeadliner::never());
+
+        let duty = Duty::new_proposer_duty(SlotNumber::new(10));
+        let pub_key = PubKey::new([7u8; 48]);
+        let signed_data = MockSignedData(42);
+
+        store
+            .store(duty.clone(), signed_data.singleton(pub_key))
+            .await
+            .unwrap();
+
+        let result = store.wait_for(duty, pub_key).await;
+        assert_eq!(result, signed_data.boxed());
+    }
+
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn write_unblocks() {
+        let deadliner = TestDeadliner::never();
+        let store = super::MemDB::new(deadliner);
+
+        let duty = Duty::new_attester_duty(SlotNumber::new(1));
+        let pub_key = PubKey::new([7u8; 48]);
+        let signed_data = MockSignedData(0);
+
+        let reader = {
+            let store = store.clone();
+            let duty = duty.clone();
+
+            tokio::spawn(async move { store.wait_for(duty, pub_key).await })
+        };
+
+        // Give the reader a chance to reach `notified.await` before we store, so the
+        // test actually exercises the notify wakeup path rather than the
+        // fast-path lookup.
+        tokio::task::yield_now().await;
+        assert!(!reader.is_finished(), "wait_for should block until store");
+
+        let write = store.store(duty, signed_data.singleton(pub_key)).await;
+        let read = reader.await.unwrap();
+
+        assert!(write.is_ok());
+        assert_eq!(read, signed_data.boxed());
+    }
+
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn cannot_overwrite() {
+        let store = super::MemDB::new(TestDeadliner::never());
+
+        let duty = Duty::new_proposer_duty(SlotNumber::new(10));
+        let pub_key = PubKey::new([7u8; 48]);
+        let first = MockSignedData(1);
+        let second = MockSignedData(2);
+
+        store
+            .store(duty.clone(), first.singleton(pub_key))
+            .await
+            .unwrap();
+
+        let err = store
+            .store(duty, second.singleton(pub_key))
+            .await
+            .expect_err("storing mismatching data should fail");
+        assert!(matches!(err, super::Error::MismatchingData));
+    }
+
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn write_idempotent() {
+        let store = super::MemDB::new(TestDeadliner::never());
+
+        let duty = Duty::new_proposer_duty(SlotNumber::new(10));
+        let pub_key = PubKey::new([7u8; 48]);
+        let signed_data = MockSignedData(42);
+
+        store
+            .store(duty.clone(), signed_data.singleton(pub_key))
+            .await
+            .unwrap();
+        store
+            .store(duty.clone(), signed_data.singleton(pub_key))
+            .await
+            .unwrap();
+
+        let result = store.wait_for(duty, pub_key).await;
+        assert_eq!(result, signed_data.boxed());
+    }
+
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn write_evict_wait_then_write() {
+        let (evict_tx, evict_rx) = sync::mpsc::channel::<Duty>(1);
+        let deadliner = TestDeadliner::new(evict_rx);
+
+        let store = super::MemDB::new(deadliner);
+
+        let duty = Duty::new_attester_duty(SlotNumber::new(1));
+        let pub_key = PubKey::new([7u8; 48]);
+        let first = MockSignedData(1);
+        let second = MockSignedData(2);
+
+        store
+            .store(duty.clone(), first.singleton(pub_key))
+            .await
+            .unwrap();
+
+        // The eviction task runs concurrently, so we poll until the specific
+        // data gone, so new readers are guaranteed to not observe it.
+        evict_tx.send(duty.clone()).await.unwrap();
+        tokio::time::timeout(std::time::Duration::from_secs(2), async {
+            while store
+                .0
+                .data
+                .lock()
+                .await
+                .contains_key(&(duty.clone(), pub_key))
+            {
+                tokio::task::yield_now().await;
+            }
+        })
+        .await
+        .expect("eviction was not applied in time");
+
+        let reader = {
+            let store = store.clone();
+            let duty = duty.clone();
+
+            tokio::spawn(async move { store.wait_for(duty, pub_key).await })
+        };
+
+        // The eviction has been applied, so wait_for has no entry to return and must
+        // block.
+        tokio::task::yield_now().await;
+        assert!(!reader.is_finished(), "wait_for should block until store");
+
+        // Store new data for the same duty and pubkey. The reader should wake up and
+        // return the new data, not the evicted data.
+        store.store(duty, second.singleton(pub_key)).await.unwrap();
+
+        let read = reader.await.unwrap();
+        assert_eq!(read, second.boxed());
+        assert_ne!(read, first.boxed());
+    }
+
+    #[tokio::test(flavor = "multi_thread", worker_threads = 4)]
+    async fn write_unblocks_many() {
+        const N: usize = 4;
+
+        let store = super::MemDB::new(TestDeadliner::never());
+        let duty = Duty::new_proposer_duty(SlotNumber::new(10));
+        let pub_key = PubKey::new([7u8; 48]);
+        let signed_data = MockSignedData(42);
+
+        let readers: Vec<_> = (0..N)
+            .map(|_| {
+                let store = store.clone();
+                let duty = duty.clone();
+                tokio::spawn(async move { store.wait_for(duty, pub_key).await })
+            })
+            .collect();
+
+        // Give readers a chance to reach `notified.await` before the store.
+        tokio::task::yield_now().await;
+        for reader in &readers {
+            assert!(
+                !reader.is_finished(),
+                "all readers should block until store"
+            );
+        }
+
+        // A single store unblocks all readers.
+        store
+            .store(duty, signed_data.singleton(pub_key))
+            .await
+            .unwrap();
+
+        for reader in readers {
+            let read = reader.await.unwrap();
+            assert_eq!(read, signed_data.boxed());
+        }
+    }
+
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn unrelated_write_does_not_unblock() {
+        let store = super::MemDB::new(TestDeadliner::never());
+
+        let duty_a = Duty::new_proposer_duty(SlotNumber::new(10));
+        let data_a = MockSignedData(1);
+
+        let duty_b = Duty::new_attester_duty(SlotNumber::new(20));
+        let data_b = MockSignedData(2);
+
+        let pub_key = PubKey::new([7u8; 48]);
+
+        let reader = {
+            let store = store.clone();
+            let duty_a = duty_a.clone();
+            tokio::spawn(async move { store.wait_for(duty_a, pub_key).await })
+        };
+
+        tokio::task::yield_now().await;
+        assert!(!reader.is_finished(), "reader should block initially");
+
+        // Storing an unrelated key wakes readers, which block again since the store is
+        // unrelated.
+        store
+            .store(duty_b, data_b.singleton(pub_key))
+            .await
+            .unwrap();
+
+        tokio::task::yield_now().await;
+        assert!(
+            !reader.is_finished(),
+            "reader should re-block after unrelated store"
+        );
+
+        // Storing the actual key unblocks the reader.
+        store
+            .store(duty_a, data_a.singleton(pub_key))
+            .await
+            .unwrap();
+
+        let read = reader.await.unwrap();
+        assert_eq!(read, data_a.boxed());
+        assert_ne!(read, data_b.boxed());
+    }
+}
diff --git a/crates/core/src/aggsigdb/mod.rs b/crates/core/src/aggsigdb/mod.rs
new file mode 100644
index 00000000..54c50307
--- /dev/null
+++ b/crates/core/src/aggsigdb/mod.rs
@@ -0,0 +1,2 @@
+/// Memory implementation of the AggSigDB.
+pub mod memory;
diff --git a/crates/core/src/lib.rs b/crates/core/src/lib.rs
index 1076ade4..91cfd4d0 100644
--- a/crates/core/src/lib.rs
+++ b/crates/core/src/lib.rs
@@ -23,10 +23,14 @@ pub mod version;
 /// Duty deadline tracking and notification.
 pub mod deadline;
 
-/// parsigdb
+/// Implementations of ParSigDB.
 pub mod parsigdb;
 
+/// Implementations of AggSigDB.
+pub mod aggsigdb;
+
 mod parsigex_codec;
+
 // SSZ codec operates on compile-time-constant byte sizes and offsets.
 // Arithmetic is bounded and casts from `usize` to `u32` are safe because all
 // sizes are well below `u32::MAX`.
diff --git a/crates/core/src/types.rs b/crates/core/src/types.rs
index 8d971f7d..b531ad0a 100644
--- a/crates/core/src/types.rs
+++ b/crates/core/src/types.rs
@@ -704,51 +704,52 @@ impl TryFrom<(&DutyType, &pbcore::ParSignedDataSet)> for ParSignedDataSet {
     }
 }
 
-/// SignedDataSet is a set of signed duty data.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SignedDataSet<T: SignedData>(HashMap<PubKey, T>);
-
-impl<T> Default for SignedDataSet<T>
-where
-    T: SignedData,
-{
-    fn default() -> Self {
-        Self(HashMap::default())
-    }
-}
+/// A set of signed duty data.
+#[derive(Debug, Default, Clone, PartialEq, Eq)]
+pub struct SignedDataSet(HashMap<PubKey, Box<dyn SignedData>>);
 
-impl<T> SignedDataSet<T>
-where
-    T: SignedData,
-{
+impl SignedDataSet {
     /// Create a new signed data set.
     pub fn new() -> Self {
         Self::default()
     }
 
     /// Get a signed data by public key.
-    pub fn get(&self, pub_key: &PubKey) -> Option<&T> {
-        self.0.get(pub_key)
+    pub fn get(&self, pub_key: &PubKey) -> Option<&dyn SignedData> {
+        self.0.get(pub_key).map(|b| b.as_ref())
     }
 
     /// Insert a signed data.
-    pub fn insert(&mut self, pub_key: PubKey, signed_data: T) {
-        self.0.insert(pub_key, signed_data);
+    pub fn insert(&mut self, pub_key: PubKey, signed_data: impl SignedData) {
+        self.0.insert(pub_key, Box::new(signed_data));
     }
 
     /// Remove a signed data by public key.
-    pub fn remove(&mut self, pub_key: &PubKey) -> Option<T> {
+    pub fn remove(&mut self, pub_key: &PubKey) -> Option<Box<dyn SignedData>> {
         self.0.remove(pub_key)
     }
 
-    /// Inner signed data set.
-    pub fn inner(&self) -> &HashMap<PubKey, T> {
-        &self.0
+    /// Iterate over the signed data set by reference.
+    pub fn iter(&self) -> std::collections::hash_map::Iter<'_, PubKey, Box<dyn SignedData>> {
+        self.0.iter()
     }
+}
 
-    /// Inner signed data set.
-    pub fn inner_mut(&mut self) -> &mut HashMap<PubKey, T> {
-        &mut self.0
+impl IntoIterator for SignedDataSet {
+    type IntoIter = std::collections::hash_map::IntoIter<PubKey, Box<dyn SignedData>>;
+    type Item = (PubKey, Box<dyn SignedData>);
+
+    fn into_iter(self) -> Self::IntoIter {
+        self.0.into_iter()
+    }
+}
+
+impl<'a> IntoIterator for &'a SignedDataSet {
+    type IntoIter = std::collections::hash_map::Iter<'a, PubKey, Box<dyn SignedData>>;
+    type Item = (&'a PubKey, &'a Box<dyn SignedData>);
+
+    fn into_iter(self) -> Self::IntoIter {
+        self.0.iter()
     }
 }
 
@@ -1052,9 +1053,10 @@ mod tests {
     fn signed_data_set() {
         let mut signed_data_set = SignedDataSet::new();
         signed_data_set.insert(PubKey::new([42u8; PK_LEN]), MockSignedData);
+        let expected: &dyn SignedData = &MockSignedData;
         assert_eq!(
             signed_data_set.get(&PubKey::new([42u8; PK_LEN])),
-            Some(&MockSignedData)
+            Some(expected)
         );
     }