Updated on 2026-08-14

app/src/main/java/com/tangem/tap/domain/TapWalletManager.kt

@@ -9,6 +9,7 @@ import com.tangem.tap.common.analytics.FirebaseAnalyticsHandler
 import com.tangem.tap.common.redux.global.FiatCurrencyName
 import com.tangem.tap.common.redux.global.GlobalAction
 import com.tangem.tap.currenciesRepository
+import com.tangem.tap.domain.TapWorkarounds.isStart2Coin
 import com.tangem.tap.domain.configurable.config.ConfigManager
 import com.tangem.tap.domain.extensions.*
 import com.tangem.tap.domain.tasks.ScanNoteResponse
@@ -89,7 +90,6 @@ class TapWalletManager {
         if (addAnalyticsEvent) {
             FirebaseAnalyticsHandler.triggerEvent(AnalyticsEvent.CARD_IS_SCANNED, data.card)
         }
-        TapWorkarounds.updateCard(data.card)
         store.state.globalState.feedbackManager?.infoHolder?.setCardInfo(data.card)
         updateConfigManager(data)
 
@@ -119,7 +119,7 @@ class TapWalletManager {
     private fun updateConfigManager(data: ScanNoteResponse) {
         val configManager = store.state.globalState.configManager
         val blockchain = data.card.getBlockchain()
-        if (TapWorkarounds.isStart2Coin) {
+        if (data.card.isStart2Coin) {
             configManager?.turnOff(ConfigManager.isSendingToPayIdEnabled)
             configManager?.turnOff(ConfigManager.isTopUpEnabled)
         } else if (blockchain == Blockchain.Bitcoin

app/src/main/java/com/tangem/tap/domain/TapWorkarounds.kt

@@ -3,18 +3,19 @@ package com.tangem.tap.domain
 import com.tangem.commands.common.card.Card
 import com.tangem.commands.common.card.EllipticCurve
 import com.tangem.commands.common.card.masks.Product
+import com.tangem.tap.domain.TapWorkarounds.isStart2Coin
 import com.tangem.tap.domain.extensions.getSingleWallet
 import java.util.*
 
 object TapWorkarounds {
 
-    var isStart2Coin: Boolean = false
-        private set
-
-    fun updateCard(card: Card) {
-        isStart2Coin = card.cardData?.issuerName?.toLowerCase(Locale.US) == START_2_COIN_ISSUER
+    fun isStart2CoinIssuer(cardIssuer: String?): Boolean {
+        return cardIssuer?.toLowerCase(Locale.US) == START_2_COIN_ISSUER
     }
 
+    val Card.isStart2Coin: Boolean
+        get() = isStart2CoinIssuer(cardData?.issuerName)
+
     fun Card.isExcluded(): Boolean {
         val cardData = this.cardData ?: return false
         val productMask = cardData.productMask
@@ -43,7 +44,7 @@ object TapWorkarounds {
 val Card.isMultiwalletAllowed: Boolean
     get() {
         return cardData?.productMask?.contains(Product.TwinCard) != true
-                && !TapWorkarounds.isStart2Coin
+                && !isStart2Coin
                 && (firmwareVersion.major >= 4 ||
                 getSingleWallet()?.curve == EllipticCurve.Secp256k1)
     }

app/src/main/java/com/tangem/tap/domain/extensions/Blockchain.kt

@@ -31,8 +31,8 @@ fun Blockchain.getSupportedCurves(): List<EllipticCurve>? {
         Blockchain.Unknown -> null
         Blockchain.Bitcoin, Blockchain.BitcoinTestnet, Blockchain.BitcoinCash, Blockchain.Litecoin,
         Blockchain.Ducatus, Blockchain.Ethereum, Blockchain.EthereumTestnet, Blockchain.RSK,
-        Blockchain.XRP, Blockchain.Binance, Blockchain.BinanceTestnet -> listOf(EllipticCurve.Secp256k1)
-        Blockchain.Tezos -> listOf(EllipticCurve.Secp256k1, EllipticCurve.Ed25519)
+        Blockchain.Binance, Blockchain.BinanceTestnet -> listOf(EllipticCurve.Secp256k1)
+        Blockchain.Tezos, Blockchain.XRP -> listOf(EllipticCurve.Secp256k1, EllipticCurve.Ed25519)
         Blockchain.Cardano, Blockchain.CardanoShelley, Blockchain.Stellar ->
             listOf(EllipticCurve.Ed25519)
         else -> listOf(EllipticCurve.Secp256k1)

app/src/main/java/com/tangem/tap/features/details/redux/DetailsReducer.kt

@@ -4,7 +4,7 @@ package com.tangem.tap.features.details.redux
 import com.tangem.commands.common.card.Card
 import com.tangem.commands.common.card.masks.Settings
 import com.tangem.tap.common.redux.AppState
-import com.tangem.tap.domain.TapWorkarounds
+import com.tangem.tap.domain.TapWorkarounds.isStart2Coin
 import com.tangem.tap.domain.extensions.isWalletDataSupported
 import com.tangem.tap.domain.extensions.signedHashesCount
 import com.tangem.tap.domain.extensions.toSendableAmounts
@@ -143,7 +143,7 @@ private fun handleSecurityAction(
 ): DetailsState {
     return when (action) {
         is DetailsAction.ManageSecurity.OpenSecurity -> {
-            if (TapWorkarounds.isStart2Coin) {
+            if (state.card?.isStart2Coin == true) {
                 return state.copy(securityScreenState = state.securityScreenState?.copy(
                         allowedOptions = EnumSet.of(SecurityOption.LongTap),
                         selectedOption = state.securityScreenState.currentOption

app/src/main/java/com/tangem/tap/features/feedback/FeedbackManager.kt

@@ -49,7 +49,11 @@ class FeedbackManager(
     }
 
     private fun getSupportEmail(): String {
-        return if (TapWorkarounds.isStart2Coin) S2C_SUPPORT_EMAIL else DEFAULT_SUPPORT_EMAIL
+        return if (TapWorkarounds.isStart2CoinIssuer(infoHolder.cardIssuer)) {
+            S2C_SUPPORT_EMAIL
+        } else {
+            DEFAULT_SUPPORT_EMAIL
+        }
     }
 
     private fun sendTo(email: String, subject: String, message: String, fileLog: File? = null) {
@@ -144,6 +148,7 @@ class AdditionalEmailInfo {
     // card
     var cardId: String = ""
     var cardFirmwareVersion: String = ""
+    var cardIssuer: String = ""
 
     // wallets
     internal val walletsInfo = mutableListOf<EmailWalletInfo>()
@@ -172,6 +177,7 @@ class AdditionalEmailInfo {
     fun setCardInfo(card: Card) {
         cardId = card.cardId
         cardFirmwareVersion = card.firmwareVersion.version
+        cardIssuer = card.cardData?.issuerName ?: ""
         signedHashesCount = card.wallets
             .filter { it.status == WalletStatus.Loaded }
             .joinToString(";") { "${it.curve?.curve} - ${it.signedHashes}" }

app/src/main/java/com/tangem/tap/features/send/redux/middlewares/SendMiddleware.kt

@@ -14,7 +14,7 @@ import com.tangem.tap.common.redux.global.GlobalAction
 import com.tangem.tap.common.redux.navigation.NavigationAction
 import com.tangem.tap.domain.TangemSigner
 import com.tangem.tap.domain.TapError
-import com.tangem.tap.domain.TapWorkarounds
+import com.tangem.tap.domain.TapWorkarounds.isStart2Coin
 import com.tangem.tap.domain.configurable.warningMessage.WarningMessage
 import com.tangem.tap.domain.extensions.minimalAmount
 import com.tangem.tap.features.send.redux.*
@@ -108,7 +108,7 @@ private fun sendTransaction(
     scope.launch {
         walletManager.update()
         val isLinkedTerminal = tangemSdk.config.linkedTerminal
-        if (TapWorkarounds.isStart2Coin) {
+        if (card.isStart2Coin) {
             tangemSdk.config.linkedTerminal = false
         }
         val signer = TangemSigner(