Updated on 2026-08-14

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

@@ -22,6 +22,7 @@ fun Blockchain.getRoundIconRes(): Int {
         Blockchain.Solana, Blockchain.SolanaTestnet -> R.drawable.ic_solana_round
         Blockchain.Fantom, Blockchain.FantomTestnet -> R.drawable.ic_fantom_round
         Blockchain.BSC, Blockchain.BSCTestnet, Blockchain.Binance, Blockchain.BinanceTestnet -> R.drawable.ic_bsc_round
+        Blockchain.Dogecoin -> R.drawable.ic_dogecoin_round
         else -> R.drawable.ic_tangem_logo
     }
 }
@@ -44,6 +45,7 @@ fun Blockchain.getGreyedOutIconRes(): Int {
         Blockchain.Solana, Blockchain.SolanaTestnet -> R.drawable.ic_solana_no_color
         Blockchain.Fantom, Blockchain.FantomTestnet -> R.drawable.ic_fantom_no_color
         Blockchain.BSC, Blockchain.BSCTestnet, Blockchain.Binance, Blockchain.BinanceTestnet -> R.drawable.ic_bsc_no_color
+        Blockchain.Dogecoin -> R.drawable.ic_dogecoin_no_color
         else -> R.drawable.ic_tangem_logo
     }
 }

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

@@ -274,7 +274,7 @@ class TapWalletManager {
             val walletManagers = if (
                 primaryTokens.isNotEmpty() &&
                 primaryWalletManager != null &&
-                primaryBlockchain != null
+                primaryBlockchain != null && primaryBlockchain != Blockchain.Unknown
             ) {
                 val blockchainsWithoutPrimary = savedCurrencies.filterNot { it.blockchain == primaryBlockchain }
                 walletManagerFactory.makeWalletManagersForApp(
@@ -288,7 +288,9 @@ class TapWalletManager {
                 WalletAction.MultiWallet.AddBlockchains(savedCurrencies, walletManagers),
             )
             savedCurrencies.map {
-                dispatchOnMain(WalletAction.MultiWallet.AddTokens(it.tokens, it))
+                if (it.tokens.isNotEmpty()) {
+                    dispatchOnMain(WalletAction.MultiWallet.AddTokens(it.tokens, it))
+                }
             }
         }
     }

app/src/main/java/com/tangem/tap/domain/tokens/Currency.kt

@@ -35,7 +35,7 @@ data class Currency(
     val name: String,
     val symbol: String,
     val iconUrl: String,
-    val contracts: List<Contract>?
+    val contracts: List<Contract>
 ) {
 
     companion object {
@@ -45,9 +45,19 @@ data class Currency(
                 name = currency.name,
                 symbol = currency.symbol,
                 iconUrl = getIconUrl(currency.id),
-                contracts = currency.contracts?.toContracts(isTestNet)
+                contracts = prepareListOfContracts(currency.contracts, currency.id, isTestNet)
             )
         }
+
+        private fun prepareListOfContracts(
+            contractsFromJson: List<ContractFromJson>?,
+            currencyId: String,
+            isTestNet: Boolean
+        ): List<Contract> {
+            val mainNetwork = Contract.fromCurrencyId(currencyId, isTestNet)
+            val contracts = contractsFromJson?.toContracts(isTestNet) ?: emptyList()
+            return (listOfNotNull(mainNetwork) + contracts).distinct()
+        }
     }
 }
 
@@ -72,6 +82,18 @@ data class Contract(
             )
         }
 
+        fun fromCurrencyId(currencyId: String, isTestNet: Boolean): Contract? {
+            val networkId = if (isTestNet) currencyId + TESTNET else currencyId
+            val blockchain = Blockchain.fromNetworkId(networkId) ?: return null
+            return Contract(
+                networkId = networkId,
+                blockchain = blockchain,
+                address = blockchain.currency,
+                decimalCount = blockchain.decimals(),
+                iconUrl = getIconUrl(networkId)
+            )
+        }
+
         const val TESTNET = "-testnet"
     }
 }

app/src/main/java/com/tangem/tap/features/tokens/redux/TokensMiddleware.kt

@@ -2,7 +2,7 @@ package com.tangem.tap.features.tokens.redux
 
 import com.tangem.blockchain.common.Blockchain
 import com.tangem.blockchain.common.DerivationParams
-import com.tangem.blockchain.common.Token
+import com.tangem.blockchain.common.DerivationStyle
 import com.tangem.common.CompletionResult
 import com.tangem.common.card.EllipticCurve
 import com.tangem.common.extensions.ByteArrayKey
@@ -68,19 +68,27 @@ class TokensMiddleware {
     private fun handleSaveChanges(action: TokensAction.SaveChanges) {
         val scanResponse = store.state.globalState.scanResponse ?: return
 
-        //TODO: bad things happens.
+        val currentTokens = store.state.tokensState.addedWallets.toNonCustomTokensWithBlockchains(
-        val currentTokens = store.state.tokensState.addedWallets.toTokens()
+            scanResponse.card.derivationStyle
-        val currentBlockchains = store.state.tokensState.addedWallets.toBlockchains(
+        )
-            store.state.tokensState.derivationStyle
+        val currentBlockchains = store.state.tokensState.addedWallets.toNonCustomBlockchains(
+            scanResponse.card.derivationStyle
         )
 
         val blockchainsToAdd = action.addedBlockchains.filter { !currentBlockchains.contains(it) }
         val blockchainsToRemove = currentBlockchains.filter { !action.addedBlockchains.contains(it) }
 
-        val tokensToAdd = action.addedTokens.filter { !currentTokens.contains(it.token) }
+        val tokensToAdd = action.addedTokens.filter { !currentTokens.contains(it) }
-        val tokensToRemove = currentTokens.filter { token -> !action.addedTokens.any { it.token == token } }
+        val tokensToRemove = currentTokens.filter {
+                token -> !action.addedTokens.any { it.token == token.token }
+        }
+        val derivationStyle = scanResponse.card.derivationStyle
 
-        removeCurrenciesIfNeeded(blockchainsToRemove, tokensToRemove)
+        removeCurrenciesIfNeeded(convertToCurrencies(
+            blockchains = blockchainsToRemove,
+            tokens = tokensToRemove,
+            derivationStyle = derivationStyle
+        ))
 
         if (tokensToAdd.isEmpty() && blockchainsToAdd.isEmpty()) {
             store.dispatchDebugErrorNotification("Nothing to save")
@@ -88,12 +96,11 @@ class TokensMiddleware {
             return
         }
 
-        val derivationStyle = scanResponse.card.derivationStyle
+        val currencyList = convertToCurrencies(
-        val currencyList = blockchainsToAdd.map {
+            blockchains = blockchainsToAdd,
-            Currency.Blockchain(it, it.derivationPath(derivationStyle)?.rawPath)
+            tokens = tokensToAdd,
-        } + tokensToAdd.map {
+            derivationStyle = derivationStyle
-            Currency.Token(it.token, it.blockchain, it.blockchain.derivationPath(derivationStyle)?.rawPath)
+        )
-        }
         if (scanResponse.supportsHdWallet()) {
             deriveMissingBlockchains(scanResponse, currencyList) {
                 submitAdd(it, currencyList)
@@ -105,6 +112,22 @@ class TokensMiddleware {
         }
     }
 
+    private fun convertToCurrencies(
+        blockchains: List<Blockchain>,
+        tokens: List<TokenWithBlockchain>,
+        derivationStyle: DerivationStyle?
+    ): List<Currency> {
+        return blockchains.map {
+            Currency.Blockchain(it, it.derivationPath(derivationStyle)?.rawPath)
+        } + tokens.map {
+            Currency.Token(
+                it.token,
+                it.blockchain,
+                it.blockchain.derivationPath(derivationStyle)?.rawPath
+            )
+        }
+    }
+
     private fun deriveMissingBlockchains(
         scanResponse: ScanResponse,
         currencyList: List<Currency>,
@@ -233,17 +256,10 @@ class TokensMiddleware {
         addActions.forEach { store.dispatchOnMain(it) }
     }
 
-    private fun removeCurrenciesIfNeeded(blockchains: List<Blockchain>, tokens: List<Token>) {
+    private fun removeCurrenciesIfNeeded(currencies: List<Currency>) {
-        if (tokens.isNotEmpty()) {
+        if (currencies.isNotEmpty()) {
-            tokens.forEach { token ->
+            currencies.forEach { currency ->
-                store.state.walletState.getWalletData(token)?.let {
+                store.state.walletState.getWalletData(currency)?.let {
-                    store.dispatch(WalletAction.MultiWallet.RemoveWallet(it))
-                }
-            }
-        }
-        if (blockchains.isNotEmpty()) {
-            blockchains.forEach { blockchain ->
-                store.state.walletState.getWalletData(blockchain)?.let {
                     store.dispatch(WalletAction.MultiWallet.RemoveWallet(it))
                 }
             }

app/src/main/java/com/tangem/tap/features/tokens/redux/TokensReducer.kt

@@ -22,15 +22,15 @@ private fun internalReduce(action: Action, state: AppState): TokensState {
         is TokensAction.SetAddedCurrencies -> {
 
             tokensState.copy(
-                addedBlockchains = action.wallets.toBlockchains(action.derivationStyle),
+                addedBlockchains = action.wallets.toNonCustomBlockchains(action.derivationStyle),
-                addedTokens = action.wallets.toTokensWithBlockchains(action.derivationStyle),
+                addedTokens = action.wallets.toNonCustomTokensWithBlockchains(action.derivationStyle),
                 addedWallets = action.wallets,
                 derivationStyle = action.derivationStyle
             )
         }
         is TokensAction.SetNonRemovableCurrencies -> {
             tokensState.copy(
-                nonRemovableBlockchains = action.wallets.toBlockchains(tokensState.derivationStyle),
+                nonRemovableBlockchains = action.wallets.toNonCustomBlockchains(tokensState.derivationStyle),
                 nonRemovableTokens = action.wallets.toTokensContractAddresses(),
             )
         }

app/src/main/java/com/tangem/tap/features/tokens/redux/TokensState.kt

@@ -27,11 +27,13 @@ fun List<WalletData>.toTokensContractAddresses(): List<ContractAddress> {
     return mapNotNull { (it.currency as? com.tangem.tap.features.wallet.redux.Currency.Token)?.token?.contractAddress }.distinct()
 }
 
-fun List<WalletData>.toTokens(): List<Token> {
+fun List<WalletData>.toNonCustomTokens(derivationStyle: DerivationStyle?): List<Token> {
-    return mapNotNull { (it.currency as? com.tangem.tap.features.wallet.redux.Currency.Token)?.token }.distinct()
+    return filter { !it.currency.isCustomCurrency(derivationStyle) }
+        .mapNotNull { (it.currency as? com.tangem.tap.features.wallet.redux.Currency.Token)?.token }
+        .distinct()
 }
 
-fun List<WalletData>.toTokensWithBlockchains(derivationStyle: DerivationStyle?): List<TokenWithBlockchain> {
+fun List<WalletData>.toNonCustomTokensWithBlockchains(derivationStyle: DerivationStyle?): List<TokenWithBlockchain> {
     return mapNotNull {
         if (it.currency !is com.tangem.tap.features.wallet.redux.Currency.Token) return@mapNotNull null
         if (it.currency.isCustomCurrency(derivationStyle)) return@mapNotNull null
@@ -39,7 +41,7 @@ fun List<WalletData>.toTokensWithBlockchains(derivationStyle: DerivationStyle?):
     }.distinct()
 }
 
-fun List<WalletData>.toBlockchains(derivationStyle: DerivationStyle?): List<Blockchain> {
+fun List<WalletData>.toNonCustomBlockchains(derivationStyle: DerivationStyle?): List<Blockchain> {
     return mapNotNull {
         if (it.currency.isCustomCurrency(derivationStyle)) {
             null
@@ -58,7 +60,7 @@ fun List<Currency>.filter(supportedBlockchains: Set<Blockchain>?): List<Currency
     if (supportedBlockchains == null) return this
     return map {
         it.copy(contracts =
-        it.contracts?.filter {
+        it.contracts.filter {
             supportedBlockchains.contains(it.blockchain) && it.blockchain.canHandleTokens()
         }
         )

app/src/main/java/com/tangem/tap/features/tokens/ui/compose/CollapsedCurrencyItem.kt

@@ -59,7 +59,7 @@ fun CollapsedCurrencyItem(
                 .align(Alignment.CenterVertically)
         ) {
             Text(
-                text = currency.name,
+                text = currency.fullName,
                 fontSize = 17.sp,
                 fontWeight = FontWeight.Normal,
                 color = Color(0xFF1C1C1E),

app/src/main/java/com/tangem/tap/features/tokens/ui/compose/ExpandedCurrencyItem.kt

@@ -20,7 +20,6 @@ import androidx.compose.ui.unit.sp
 import coil.compose.SubcomposeAsyncImage
 import coil.request.ImageRequest
 import com.tangem.blockchain.common.Blockchain
-import com.tangem.domain.common.extensions.fromNetworkId
 import com.tangem.tap.domain.tokens.Currency
 import com.tangem.tap.features.tokens.redux.ContractAddress
 import com.tangem.tap.features.tokens.redux.TokenWithBlockchain
@@ -65,7 +64,7 @@ fun ExpandedCurrencyItem(
                     .align(Alignment.CenterVertically)
             ) {
                 Text(
-                    text = currency.name,
+                    text = currency.fullName,
                     fontSize = 17.sp,
                     fontWeight = FontWeight.Normal,
                     color = Color(0xFF1C1C1E),
@@ -87,9 +86,7 @@ fun ExpandedCurrencyItem(
             )
         }
 
-        val blockchains = currency.contracts?.map { it.blockchain } ?: listOfNotNull(
+        val blockchains = currency.contracts.map { it.blockchain }
-            Blockchain.fromNetworkId(currency.id)
-        )
 
         Row {
             Box(
@@ -134,7 +131,7 @@ fun ExpandedCurrencyItem(
                     .padding(top = 6.dp),
             ) {
                 blockchains.map { blockchain ->
-                    val contract = currency.contracts?.firstOrNull { it.blockchain == blockchain }
+                    val contract = currency.contracts.firstOrNull { it.blockchain == blockchain }
                     val added = if (contract != null && contract.address != currency.symbol) {
                         addedTokens.map { it.token.contractAddress }.contains(contract.address)
                     } else {

app/src/main/java/com/tangem/tap/features/tokens/ui/compose/ListOfCurrencies.kt

@@ -66,4 +66,7 @@ fun ListOfCurrencies(
         }
 
     }
-}
+}
+
+val Currency.fullName: String
+    get() = "${this.name} (${this.symbol})"

app/src/main/java/com/tangem/tap/features/tokens/ui/compose/NetworkItem.kt

@@ -46,7 +46,7 @@ fun NetworkItem(
             .combinedClickable(
                 enabled = allowToAdd,
                 onLongClick = {
-                    if (contract != null) onNetworkItemClicked(contract.address)
+                    if (!isBlockchain) onNetworkItemClicked(contract!!.address)
                 },
                 onClick = {},
                 indication = null,

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

@@ -5,7 +5,6 @@ import com.tangem.blockchain.common.*
 import com.tangem.blockchain.common.address.AddressType
 import com.tangem.blockchain.extensions.isAboveZero
 import com.tangem.common.extensions.isZero
-import com.tangem.domain.common.TapWorkarounds.derivationStyle
 import com.tangem.domain.features.addCustomToken.CustomCurrency
 import com.tangem.tap.common.entities.Button
 import com.tangem.tap.common.extensions.toQrCode
@@ -75,19 +74,9 @@ data class WalletState(
     val walletManagers: List<WalletManager>
         get() = wallets.mapNotNull { it.walletManager }
 
-    fun getWalletManager(token: Token?): WalletManager? {
-        if (token == null) return null
-        return wallets
-            .mapNotNull { it.walletManager }
-            .find { walletManager ->
-                walletManager.cardTokens.any { it.contractAddress == token.contractAddress }
-            }
-    }
-
     fun getWalletManager(currency: Currency?): WalletManager? {
         if (currency?.blockchain == null) return null
-        return wallets.map { it.walletManager }
+        return getWalletStore(currency)?.walletManager
-            .find { it?.wallet?.blockchain == currency.blockchain }
     }
 
     fun getWalletManager(blockchain: BlockchainNetwork): WalletManager? {
@@ -131,22 +120,6 @@ data class WalletState(
         return getWalletStore(currency)?.walletsData?.firstOrNull { it.currency == currency }
     }
 
-    fun getWalletData(token: Token?): WalletData? {
-        if (token == null) return null
-        return walletsData.find {
-            (it.currency as? Currency.Token)?.token == token &&
-                    !it.currency.isCustomCurrency(store.state.globalState.scanResponse!!.card.derivationStyle)
-        }
-    }
-
-    fun getWalletData(blockchain: Blockchain?): WalletData? {
-        if (blockchain == null) return null
-        return walletsData.find {
-            (it.currency as? Currency.Blockchain)?.blockchain == blockchain &&
-                    !it.currency.isCustomCurrency(store.state.globalState.scanResponse!!.card.derivationStyle)
-        }
-    }
-
     fun getSelectedWalletData(): WalletData? {
         return walletsData.find { it.currency == selectedCurrency }
     }

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

@@ -92,7 +92,7 @@ class MultiWalletMiddleware {
                         }
                     }
                     is Currency.Token -> {
-                        val walletManager = walletState?.getWalletManager(currency.token)
+                        val walletManager = walletState?.getWalletManager(currency)
                         if (walletManager != null) {
                             walletManager.removeToken(currency.token)
                             cardId?.let {
@@ -223,6 +223,7 @@ class MultiWalletMiddleware {
         tokens: List<Token>, blockchainNetwork: BlockchainNetwork,
         walletState: WalletState?, globalState: GlobalState?
     ) {
+        if (tokens.isEmpty()) return
         val scanResponse = globalState?.scanResponse ?: return
         val wmFactory = globalState.tapWalletManager.walletManagerFactory
 

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

@@ -50,7 +50,7 @@ class TradeCryptoMiddleware {
         if (exchangeAction == CurrencyExchangeManager.Action.Buy &&
             currency is Currency.Token && currency.blockchain.isTestnet()
         ) {
-            val walletManager = store.state.walletState.getWalletManager(currency.token)
+            val walletManager = store.state.walletState.getWalletManager(currency)
             if (walletManager !is EthereumWalletManager) return
 
             scope.launch { exchangeManager.buyErc20Tokens(walletManager, currency.token) }

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

@@ -99,7 +99,8 @@ class MultiWalletReducer {
                 addTokens(listOf(action.token), action.blockchain, state)
             }
             is WalletAction.MultiWallet.TokenLoaded -> {
-                val pendingTransactions = state.getWalletManager(action.token)
+                val currency = Currency.fromBlockchainNetwork(action.blockchain, action.token)
+                val pendingTransactions = state.getWalletManager(currency)
                     ?.wallet?.let { wallet ->
                         wallet.recentTransactions.toPendingTransactions(wallet.address)
                     } ?: emptyList()
@@ -113,7 +114,7 @@ class MultiWalletReducer {
                     pendingTransactions.isNotEmpty() -> BalanceStatus.SameCurrencyTransactionInProgress
                     else -> BalanceStatus.VerifiedOnline
                 }
-                val tokenWalletData = state.getWalletData(action.token)
+                val tokenWalletData = state.getWalletData(currency)
                 val newTokenWalletData = tokenWalletData?.copy(
                     currencyData = tokenWalletData.currencyData.copy(
                         status = tokenBalanceStatus,
@@ -166,11 +167,10 @@ private fun addTokens(
 
 fun Token.toWallet(state: WalletState, blockchain: BlockchainNetwork): WalletData? {
     if (!state.isMultiwalletAllowed) return null
-    if (state.currencies.any { it is Currency.Token && it.token == this }) {
+    val currency = Currency.fromBlockchainNetwork(blockchain, this)
-        return null
+    if (state.currencies.contains(currency)) return null
-    }
 
-    val walletManager = state.getWalletManager(this)?.wallet
+    val walletManager = state.getWalletManager(currency)?.wallet
     val walletAddresses = createAddressList(walletManager)
 
     return WalletData(
@@ -181,6 +181,6 @@ fun Token.toWallet(state: WalletState, blockchain: BlockchainNetwork): WalletDat
         ),
         walletAddresses = walletAddresses,
         mainButton = WalletMainButton.SendButton(false),
-        currency = Currency.fromBlockchainNetwork(blockchain, this)
+        currency = currency
     )
 }

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

@@ -74,7 +74,8 @@ class OnWalletLoadedReducer {
         )
 
         val tokens = wallet.getTokens().mapNotNull { token ->
-            val tokenWalletData = walletState.getWalletData(token)
+            val currency = Currency.fromBlockchainNetwork(blockchainNetwork, token)
+            val tokenWalletData = walletState.getWalletData(currency)
             val tokenPendingTransactions =
                 pendingTransactions.filter { it.currency == token.symbol }
             val tokenBalanceStatus = when {

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

@@ -164,7 +164,10 @@ private fun internalReduce(action: Action, state: AppState): WalletState {
                             tradeCryptoState = TradeCryptoState.from(exchangeManager, wallet)
                         )
                     }
-                val wallets = newState.updateTradeCryptoState(exchangeManager, newState.replaceSomeWallets(newWallets))
+                val wallets = newState.updateTradeCryptoState(
+                    exchangeManager,
+                    newState.replaceSomeWallets(newWallets)
+                )
                 val walletStore = newState.getWalletStore(action.blockchain)?.updateWallets(wallets)
                 newState = newState.updateWalletStore(walletStore)
             }
@@ -217,7 +220,11 @@ private fun internalReduce(action: Action, state: AppState): WalletState {
                 ),
             )
             val tokenWallets = action.wallet.getTokens()
-                .mapNotNull { newState.getWalletData(it) }
+                .mapNotNull { token ->
+                    walletStore?.blockchainNetwork?.let {
+                        newState.getWalletData(Currency.fromBlockchainNetwork(it, token))
+                    }
+                }
                 .map {
                     it.copy(
                         currencyData = it.currencyData.copy(
@@ -288,12 +295,14 @@ private fun internalReduce(action: Action, state: AppState): WalletState {
                     ?: return newState
             val address = walletAddresses.list.firstOrNull { it.type == action.type }
                 ?: return newState
-            newState = newState.updateWalletData(selectedWalletData?.copy(
+            newState = newState.updateWalletData(
-                walletAddresses = WalletAddresses(
+                selectedWalletData?.copy(
-                    address,
+                    walletAddresses = WalletAddresses(
-                    walletAddresses.list
+                        address,
+                        walletAddresses.list
+                    )
                 )
-            ))
+            )
         }
         is WalletAction.SetWalletRent -> {
             var walletData = newState.getWalletData(action.blockchain)

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

@@ -115,6 +115,7 @@ class WalletAdapter
 
         private fun toggleWarning(show: Boolean) {
             binding.tvExchangeRate.show(!show)
+            binding.tvCustomCurrency.show(!show)
             binding.tvStatusErrorMessage.show(show)
         }
     }

app/src/main/res/layout/item_currency_wallet.xml

@@ -122,8 +122,12 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginBottom="16dp"
+                android:layout_marginStart="16dp"
+                android:layout_marginEnd="16dp"
                 android:paddingStart="4dp"
                 android:paddingEnd="4dp"
+                android:paddingTop="3dp"
+                android:paddingBottom="3dp"
                 android:textColor="@color/darkGray2"
                 android:textSize="14sp"
                 android:background="@drawable/shape_rectangle_rounded_4"

domain/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt

@@ -4,8 +4,8 @@ import com.tangem.blockchain.common.Blockchain
 
 fun Blockchain.Companion.fromNetworkId(networkId: String): Blockchain? {
     return when (networkId) {
-        "avalanche" -> Blockchain.Avalanche
+        "avalanche", "avalanche-2" -> Blockchain.Avalanche
-        "avalanche-testnet" -> Blockchain.AvalancheTestnet
+        "avalanche-testnet", "avalanche-2-testnet" -> Blockchain.AvalancheTestnet
         "binancecoin" -> Blockchain.Binance
         "binancecoin-testnet" -> Blockchain.BinanceTestnet
         "binance-smart-chain" -> Blockchain.BSC