diff --git a/app/src/main/java/com/tangem/tap/domain/TapWalletManager.kt b/app/src/main/java/com/tangem/tap/domain/TapWalletManager.kt
index 1b10998845..37a48f65a1 100644
--- a/app/src/main/java/com/tangem/tap/domain/TapWalletManager.kt
+++ b/app/src/main/java/com/tangem/tap/domain/TapWalletManager.kt
@@ -173,6 +173,7 @@ class TapWalletManager {
                     walletManagers = listOf(primaryWalletManager),
                     save = false,
                 ),
+                WalletAction.LoadFiatRate(),
             )
         }
     }
diff --git a/domain/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt b/domain/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt
index dad3b53860..f5e3273391 100644
--- a/domain/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt
+++ b/domain/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt
@@ -44,7 +44,8 @@ fun Blockchain.Companion.fromNetworkId(networkId: String): Blockchain? {
         "polkadot" -> Blockchain.Polkadot
         "polkadot/test" -> Blockchain.PolkadotTestnet
         "kusama" -> Blockchain.Kusama
-        "optimistic-ethereum" -> Blockchain.Optimism
+        // "optimistic-ethereum" -> Blockchain.Optimism
+        "optimistic-ethereum" -> null //TODO: Optimism is disabled until next release
         "optimistic-ethereum/test" -> Blockchain.OptimismTestnet
         "dash" -> Blockchain.Dash
         "wxdai" -> Blockchain.SaltPay