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 a720d8bf19..b11840f128 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
@@ -137,4 +137,13 @@ fun Blockchain.toCoinId(): String {
         Blockchain.SaltPay, Blockchain.SaltPayTestnet -> "xdai"
         Blockchain.Unknown -> "unknown"
     }
-}
\ No newline at end of file
+}
+
+fun Blockchain.isSupportedInApp(): Boolean {
+    return !excludedBlockchains.contains(this)
+}
+
+private val excludedBlockchains = listOf(
+    Blockchain.Optimism, // TODO: remove when fee calculation is fixed
+    Blockchain.SaltPay,
+)
\ No newline at end of file
diff --git a/domain/src/main/java/com/tangem/domain/common/extensions/CardSdk.kt b/domain/src/main/java/com/tangem/domain/common/extensions/CardSdk.kt
index 204602df42..acc0fc7bf0 100644
--- a/domain/src/main/java/com/tangem/domain/common/extensions/CardSdk.kt
+++ b/domain/src/main/java/com/tangem/domain/common/extensions/CardSdk.kt
@@ -21,8 +21,9 @@ fun Card.supportedBlockchains(): List<Blockchain> {
             (Blockchain.fromCurve(EllipticCurve.Secp256k1) + Blockchain.fromCurve(EllipticCurve.Ed25519)).distinct()
         }
     }
-    val filtered = supportedBlockchains.filter { isTestCard == it.isTestnet() }
-    return filtered
+    return supportedBlockchains
+        .filter { isTestCard == it.isTestnet() }
+        .filter { it.isSupportedInApp() }
 }
 
 fun Card.supportedTokens(): List<Blockchain> {