diff --git a/13-04-26-test/security b/13-04-26-test/security
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+Subproject commit 7c0090a9df1a8e42067c1b556bbe05888d87ae94
diff --git a/sessions/upgradable contracts/assignments/Yusrah.md b/sessions/upgradable contracts/assignments/Yusrah.md
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+links to aricle, diamond and OZ github links
+
+
+# 1. article
+
+# DIAMOND STANDARD
+https://hackmd.io/@r_zzxzptRXSyjH2enDWEeQ/H1zzVGtsbx
+
+# UUPS STANDARD
+https://hackmd.io/@r_zzxzptRXSyjH2enDWEeQ/BkL5th-2bx
+
+
+# 2. Staking Diamond Contract
+https://github.com/miss-yusrah/Upgradable-contract
+ 6
+
+# 3. UUPS Using Openzepellin
+
+# TODO CONTRACT
+https://github.com/miss-yusrah/TODO
+
+# ESCROW CONTRACT
+https://github.com/miss-yusrah/Escrow-Contract
+
+# ESCROW MILESTONE
+https://github.com/miss-yusrah/Escrow-Milestone
+
+# TIMELOCK-VAULT
+https://github.com/miss-yusrah/TimeLock-vault
+
+# CROWDFUNDING
+https://github.com/miss-yusrah/Crowdfunding-Contract
+
+# AUCTION
+https://github.com/miss-yusrah/Auction-Contract
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diff --git a/sessions/upgradable contracts/assignments/myname.md b/sessions/upgradable contracts/assignments/myname.md
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-links to aricle, diamond and OZ github links
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