Updated on 2026-08-14

data/manage-tokens/src/main/kotlin/com/tangem/data/managetokens/DefaultCustomTokensRepository.kt

@@ -15,6 +15,7 @@ import com.tangem.datasource.api.tangemTech.TangemTechApi
 import com.tangem.datasource.local.token.UserTokensResponseStore
 import com.tangem.datasource.local.userwallet.UserWalletsStore
 import com.tangem.domain.card.common.extensions.canHandleBlockchain
+import com.tangem.domain.card.common.extensions.hotWalletExcludedBlockchains
 import com.tangem.domain.card.common.extensions.supportedBlockchains
 import com.tangem.domain.card.common.util.cardTypesResolver
 import com.tangem.domain.managetokens.model.AddCustomTokenForm
@@ -252,7 +253,9 @@ internal class DefaultCustomTokensRepository(
             is UserWallet.Hot -> {
                 Blockchain.entries.mapNotNull {
                     // TODO: refactor [REDACTED_JIRA]\
-                    if (it.isTestnet() || it in excludedBlockchains) return@mapNotNull null
+                    if (it.isTestnet() || it in excludedBlockchains || it in hotWalletExcludedBlockchains) {
+                        return@mapNotNull null
+                    }
 
                     networkFactory.create(
                         blockchain = it,

data/manage-tokens/src/main/kotlin/com/tangem/data/managetokens/DefaultManageTokensRepository.kt

@@ -23,6 +23,7 @@ import com.tangem.datasource.local.userwallet.UserWalletsStore
 import com.tangem.domain.card.common.TapWorkarounds.isTestCard
 import com.tangem.domain.card.common.extensions.canHandleBlockchain
 import com.tangem.domain.card.common.extensions.canHandleToken
+import com.tangem.domain.card.common.extensions.hotWalletExcludedBlockchains
 import com.tangem.domain.card.common.extensions.supportedBlockchains
 import com.tangem.domain.card.common.extensions.supportedTokens
 import com.tangem.domain.card.common.util.cardTypesResolver
@@ -291,13 +292,8 @@ internal class DefaultManageTokensRepository(
         userWallet: UserWallet,
         blockchain: Blockchain,
     ): CurrencyUnsupportedState? {
-        if (userWallet !is UserWallet.Cold) {
-            return null
-        }
-
-        val canHandleBlockchain = userWallet.scanResponse.card.canHandleBlockchain(
+        val canHandleBlockchain = userWallet.canHandleBlockchain(
             blockchain = blockchain,
-            cardTypesResolver = userWallet.cardTypesResolver,
             excludedBlockchains = excludedBlockchains,
         )
 
@@ -312,6 +308,14 @@ internal class DefaultManageTokensRepository(
         userWallet: UserWallet,
         blockchain: Blockchain,
     ): CurrencyUnsupportedState.Token? {
+        if (userWallet is UserWallet.Hot) {
+            return if (blockchain in hotWalletExcludedBlockchains) {
+                CurrencyUnsupportedState.Token.NetworkTokensUnsupported(networkName = blockchain.fullName)
+            } else {
+                null
+            }
+        }
+
         if (userWallet !is UserWallet.Cold) {
             return null
         }

domain/card/src/main/kotlin/com/tangem/domain/card/common/extensions/CardSdk.kt

@@ -19,6 +19,11 @@ import com.tangem.domain.models.wallet.UserWallet
 val FirmwareVersion.Companion.SolanaTokensAvailable
     get() = FirmwareVersion(4, 52)
 
+val hotWalletExcludedBlockchains = setOf(
+    Blockchain.Hedera,
+    Blockchain.HederaTestnet,
+)
+
 fun UserWallet.supportedBlockchains(excludedBlockchains: ExcludedBlockchains): List<Blockchain> {
     return when (this) {
         is UserWallet.Cold -> {
@@ -28,7 +33,9 @@ fun UserWallet.supportedBlockchains(excludedBlockchains: ExcludedBlockchains): L
             )
         }
         is UserWallet.Hot -> {
-            Blockchain.entries.filter { it.isTestnet().not() && it !in excludedBlockchains }
+            Blockchain.entries.filter {
+                it.isTestnet().not() && it !in excludedBlockchains && it !in hotWalletExcludedBlockchains
+            }
         }
     }
 }
@@ -80,7 +87,7 @@ fun UserWallet.canHandleToken(supportedTokens: List<Blockchain>, blockchain: Blo
                 cardTypesResolver = scanResponse.cardTypesResolver,
             )
         }
-        is UserWallet.Hot -> blockchain in supportedTokens
+        is UserWallet.Hot -> blockchain in supportedTokens && blockchain !in hotWalletExcludedBlockchains
     }
 }
 
@@ -96,6 +103,7 @@ fun UserWallet.canHandleToken(blockchain: Blockchain, excludedBlockchains: Exclu
 
         is UserWallet.Hot -> blockchain.isTestnet().not() &&
             blockchain !in excludedBlockchains &&
+            blockchain !in hotWalletExcludedBlockchains &&
             blockchain.canHandleTokens()
     }
 }
@@ -110,7 +118,8 @@ fun UserWallet.canHandleBlockchain(blockchain: Blockchain, excludedBlockchains:
             )
         }
         is UserWallet.Hot -> blockchain.isTestnet().not() &&
-            blockchain !in excludedBlockchains
+            blockchain !in excludedBlockchains &&
+            blockchain !in hotWalletExcludedBlockchains
     }
 }
 

features/markets/impl/build.gradle.kts

@@ -89,4 +89,5 @@ dependencies {
 
     /** Tangem libraries */
     implementation(tangemDeps.card.core)
+    implementation(tangemDeps.blockchain)
 }

features/markets/impl/src/main/kotlin/com/tangem/features/markets/details/impl/model/MarketsTokenDetailsModel.kt

@@ -24,12 +24,15 @@ import com.tangem.core.ui.format.bigdecimal.percent
 import com.tangem.core.ui.format.bigdecimal.price
 import com.tangem.domain.appcurrency.GetSelectedAppCurrencyUseCase
 import com.tangem.domain.appcurrency.model.AppCurrency
+import com.tangem.domain.card.common.extensions.hotWalletExcludedBlockchains
 import com.tangem.domain.feedback.SendFeedbackEmailUseCase
 import com.tangem.domain.feedback.models.FeedbackEmailType
 import com.tangem.domain.markets.*
+import com.tangem.domain.models.wallet.UserWallet
 import com.tangem.domain.settings.usercountry.GetUserCountryUseCase
 import com.tangem.domain.settings.usercountry.models.UserCountry
 import com.tangem.domain.settings.usercountry.models.needApplyFCARestrictions
+import com.tangem.domain.wallets.usecase.GetWalletsUseCase
 import com.tangem.features.markets.details.MarketsTokenDetailsComponent
 import com.tangem.features.markets.details.impl.analytics.MarketDetailsAnalyticsEvent
 import com.tangem.features.markets.details.impl.model.converters.DescriptionConverter
@@ -72,6 +75,7 @@ internal class MarketsTokenDetailsModel @Inject constructor(
     private val analyticsEventHandler: AnalyticsEventHandler,
     private val excludedBlockchains: ExcludedBlockchains,
     private val getUserCountryUseCase: GetUserCountryUseCase,
+    private val getUserWalletsUseCase: GetWalletsUseCase,
 ) : Model() {
 
     private var quotesJob = JobHolder()
@@ -423,8 +427,15 @@ internal class MarketsTokenDetailsModel @Inject constructor(
             )
         }
 
+        val allWalletsIsHot = getUserWalletsUseCase.invokeSync().all { it is UserWallet.Hot }
+
         val networks = newInfo.networks?.filter {
-            BlockchainUtils.isSupportedNetworkId(it.networkId, excludedBlockchains)
+            BlockchainUtils.isSupportedNetworkId(
+                blockchainId = it.networkId,
+                excludedBlockchains = excludedBlockchains,
+                hotExcludedBlockchains = hotWalletExcludedBlockchains,
+                hasOnlyHotWallets = allWalletsIsHot,
+            )
         }
 
         networksState.value = if (networks.isNullOrEmpty()) {

libs/crypto/src/main/java/com/tangem/lib/crypto/BlockchainUtils.kt

@@ -77,10 +77,16 @@ object BlockchainUtils {
         return blockchain == Blockchain.TON || blockchain == Blockchain.TONTestnet
     }
 
-    fun isSupportedNetworkId(blockchainId: String, excludedBlockchains: ExcludedBlockchains): Boolean {
+    fun isSupportedNetworkId(
+        blockchainId: String,
+        excludedBlockchains: ExcludedBlockchains,
+        hotExcludedBlockchains: Set<Blockchain>,
+        hasOnlyHotWallets: Boolean = false,
+    ): Boolean {
         val blockchain = Blockchain.fromNetworkId(blockchainId)
 
-        return blockchain != null && blockchain !in excludedBlockchains
+        return blockchain != null && blockchain !in excludedBlockchains &&
+            (hasOnlyHotWallets.not() || blockchain !in hotExcludedBlockchains)
     }
 
     fun isArbitrum(blockchainId: String): Boolean {