Updated on 2026-08-14

app/src/main/java/com/tangem/tap/features/wallet/models/WalletWarning.kt

@@ -5,8 +5,7 @@ sealed class WalletWarning(
 ) {
     data class ExistentialDeposit(
         val currencyName: String,
-        val currencySymbols: String,
-        val existentialDepositString: String,
+        val edStringValueWithSymbol: String,
     ) : WalletWarning(1)
 
     object TransactionInProgress : WalletWarning(10)

app/src/main/java/com/tangem/tap/features/wallet/redux/WalletState.kt

@@ -352,8 +352,7 @@ data class WalletData(
         if (existentialDepositString != null) {
             val warning = WalletWarning.ExistentialDeposit(
                 currencyName = currency.currencyName,
-                currencySymbols = currency.currencySymbol,
-                existentialDepositString = existentialDepositString,
+                edStringValueWithSymbol = "$existentialDepositString ${currency.currencySymbol}",
             )
             walletWarnings.add(warning)
         }

app/src/main/java/com/tangem/tap/features/wallet/ui/WalletWarningConverter.kt

@@ -18,7 +18,7 @@ class WalletWarningConverter(
             is WalletWarning.ExistentialDeposit -> {
                 context.getString(
                     R.string.warning_existential_deposit_message,
-                    message.currencyName, message.currencySymbols, message.existentialDepositString,
+                    message.currencyName, message.edStringValueWithSymbol,
                 )
             }
             is WalletWarning.BalanceNotEnoughForFee -> {

app/src/main/java/com/tangem/tap/network/exchangeServices/mercuryo/MercuryoService.kt

@@ -76,7 +76,12 @@ class MercuryoService(
         if (!isBuyAllowed()) return false
 
         // blockchains which cant be defined by mercuryo service
-        val unsupportedBlockchains = listOf(Blockchain.Unknown, Blockchain.Binance, Blockchain.Arbitrum)
+        val unsupportedBlockchains = listOf(
+            Blockchain.Unknown,
+            Blockchain.Binance,
+            Blockchain.Arbitrum,
+            Blockchain.Optimism,
+        )
         val blockchain = currency.blockchain
 
         return when (currency) {