diff --git a/CHANGELOG.md b/CHANGELOG.md
index 208e293b..df18c889 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,11 +11,6 @@
 
 ### Breaking
 - `Asset#toAtomicAmount` now returns a BigInt instead of a Decimal
-  
-## [0.5.1] - 2024-09-12
-
-### Fixed
-- Fixed a bug that blocked arbitrum mainnet wallets from being created
 
 ## [0.5.1] - 2024-09-12
 
diff --git a/backup_sepolia_seed b/backup_sepolia_seed
new file mode 100644
index 00000000..8180fb3f
--- /dev/null
+++ b/backup_sepolia_seed
@@ -0,0 +1,4 @@
+{
+  walletId: 'c6c4a31d-6ec7-4436-a71f-75d843a7ba68',
+  seed: '324c4e3a8be7c6aa197a3906533c8709ce8c7026e3b3b13198afaa853ad1e4f3'
+}