Updated on 2026-08-14

libs/blockchain-sdk/src/main/java/com/tangem/blockchainsdk/utils/Blockchain.kt

@@ -176,6 +176,8 @@ fun Blockchain.Companion.fromNetworkId(networkId: String): Blockchain? {
         "plasma/test" -> Blockchain.PlasmaTestnet
         "adi-token" -> Blockchain.Adi
         "adi-token/test" -> Blockchain.AdiTestnet
+        "sei-v2" -> Blockchain.SeiEvm
+        "sei-v2/test" -> Blockchain.SeiEvmTestnet
         "monad" -> Blockchain.Monad
         "monad/test" -> Blockchain.MonadTestnet
         else -> null
@@ -351,6 +353,8 @@ fun Blockchain.toNetworkId(): String {
         Blockchain.PlasmaTestnet -> "plasma/test"
         Blockchain.Adi -> "adi-token"
         Blockchain.AdiTestnet -> "adi-token/test"
+        Blockchain.SeiEvm -> "sei-v2"
+        Blockchain.SeiEvmTestnet -> "sei-v2/test"
         Blockchain.Monad -> "monad"
         Blockchain.MonadTestnet -> "monad/test"
     }
@@ -462,6 +466,7 @@ fun Blockchain.toCoinId(): String {
         Blockchain.ArbitrumNova -> "arbitrum-nova-ethereum"
         Blockchain.Plasma, Blockchain.PlasmaTestnet -> "plasma"
         Blockchain.Adi, Blockchain.AdiTestnet -> "adi-token"
+        Blockchain.SeiEvm, Blockchain.SeiEvmTestnet -> "sei-v2"
         Blockchain.Monad, Blockchain.MonadTestnet -> "monad"
     }
 }

libs/crypto/src/main/java/com/tangem/lib/crypto/derivation/AccountNodeRecognizer.kt

@@ -178,6 +178,7 @@ class AccountNodeRecognizer(private val blockchain: Blockchain) {
             Blockchain.Quai,
             Blockchain.Plasma,
             Blockchain.Adi,
+            Blockchain.SeiEvm,
             Blockchain.Monad,
             -> true
             Blockchain.Nexa, // unsupported network
@@ -255,6 +256,7 @@ class AccountNodeRecognizer(private val blockchain: Blockchain) {
             Blockchain.LineaTestnet,
             Blockchain.PlasmaTestnet,
             Blockchain.AdiTestnet,
+            Blockchain.SeiEvmTestnet,
             Blockchain.MonadTestnet,
             -> false
             // endregion