diff --git a/app/src/main/java/com/tangem/tap/common/extensions/Blockchain.kt b/app/src/main/java/com/tangem/tap/common/extensions/Blockchain.kt
index 68aca58758..4d081cc2e6 100644
--- a/app/src/main/java/com/tangem/tap/common/extensions/Blockchain.kt
+++ b/app/src/main/java/com/tangem/tap/common/extensions/Blockchain.kt
@@ -45,6 +45,7 @@ fun Blockchain.getGreyedOutIconRes(): Int {
         Blockchain.Cronos -> R.drawable.ic_cronos_no_color
         Blockchain.Telos, Blockchain.TelosTestnet -> R.drawable.ic_telos_no_color
         Blockchain.AlephZero, Blockchain.AlephZeroTestnet -> R.drawable.ic_azero_no_color
+        Blockchain.OctaSpace, Blockchain.OctaSpaceTestnet -> R.drawable.ic_octaspace_no_color
         else -> R.drawable.ic_tangem_logo
     }
 }
diff --git a/app/src/main/java/com/tangem/tap/proxy/TransactionManagerImpl.kt b/app/src/main/java/com/tangem/tap/proxy/TransactionManagerImpl.kt
index 7c3e6f8b1e..57afd33a26 100644
--- a/app/src/main/java/com/tangem/tap/proxy/TransactionManagerImpl.kt
+++ b/app/src/main/java/com/tangem/tap/proxy/TransactionManagerImpl.kt
@@ -10,7 +10,7 @@ import com.tangem.blockchain.common.transaction.Fee
 import com.tangem.blockchain.common.transaction.TransactionFee
 import com.tangem.blockchain.extensions.Result
 import com.tangem.blockchain.extensions.SimpleResult
-import com.tangem.blockchain.extensions.isNetworkError
+import com.tangem.blockchain.network.ResultChecker
 import com.tangem.common.core.TangemSdkError
 import com.tangem.common.extensions.hexToBytes
 import com.tangem.core.analytics.api.AnalyticsEventHandler
@@ -361,7 +361,7 @@ class TransactionManagerImpl(
                 return SendTxResult.Success
             }
             is SimpleResult.Failure -> {
-                if (result.isNetworkError()) return SendTxResult.NetworkError(result.error)
+                if (ResultChecker.isNetworkError(result)) return SendTxResult.NetworkError(result.error)
                 val error = result.error as? BlockchainSdkError ?: return SendTxResult.UnknownError()
                 when (error) {
                     is BlockchainSdkError.WrappedTangemError -> {
diff --git a/app/src/main/res/drawable/ic_octaspace_no_color.xml b/app/src/main/res/drawable/ic_octaspace_no_color.xml
new file mode 100644
index 0000000000..36751027a3
--- /dev/null
+++ b/app/src/main/res/drawable/ic_octaspace_no_color.xml
@@ -0,0 +1,58 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:autoMirrored="true"
+    android:viewportWidth="22"
+    android:viewportHeight="22">
+    <path
+        android:fillColor="#EBEBEB"
+        android:pathData="M11,0L11,0A11,11 0,0 1,22 11L22,11A11,11 0,0 1,11 22L11,22A11,11 0,0 1,0 11L0,11A11,11 0,0 1,11 0z" />
+    <path
+        android:fillColor="#B0B0B0"
+        android:pathData="M3.385,7.404L4.654,6.558V15.442L3.385,14.596V7.404Z" />
+    <path
+        android:fillAlpha="0.4"
+        android:fillColor="#B0B0B0"
+        android:pathData="M5.923,7.404L4.654,6.558V15.442L5.923,14.596V7.404Z"
+        android:strokeAlpha="0.4" />
+    <path
+        android:fillColor="#B0B0B0"
+        android:pathData="M16.077,7.404L17.346,6.558V15.442L16.077,14.596V7.404Z" />
+    <path
+        android:fillAlpha="0.4"
+        android:fillColor="#B0B0B0"
+        android:pathData="M18.615,7.404L17.346,6.558V15.442L18.615,14.596V7.404Z"
+        android:strokeAlpha="0.4" />
+    <path
+        android:fillColor="#B0B0B0"
+        android:pathData="M5.923,5.288L7.192,4.442V17.558L5.923,16.712V5.288Z" />
+    <path
+        android:fillAlpha="0.4"
+        android:fillColor="#B0B0B0"
+        android:pathData="M8.462,5.288L7.192,4.442V17.558L8.462,16.712V5.288Z"
+        android:strokeAlpha="0.4" />
+    <path
+        android:fillColor="#B0B0B0"
+        android:pathData="M13.538,5.288L14.808,4.442V17.558L13.538,16.712V5.288Z" />
+    <path
+        android:fillAlpha="0.4"
+        android:fillColor="#B0B0B0"
+        android:pathData="M16.077,5.288L14.808,4.442V17.558L16.077,16.712V5.288Z"
+        android:strokeAlpha="0.4" />
+    <path
+        android:fillColor="#B0B0B0"
+        android:pathData="M8.462,3.596L9.731,2.75V19.25L8.462,18.404V3.596Z" />
+    <path
+        android:fillAlpha="0.4"
+        android:fillColor="#B0B0B0"
+        android:pathData="M11,3.596L9.731,2.75V19.25L11,18.404V3.596Z"
+        android:strokeAlpha="0.4" />
+    <path
+        android:fillColor="#B0B0B0"
+        android:pathData="M11,3.596L12.269,2.75V19.25L11,18.404V3.596Z" />
+    <path
+        android:fillAlpha="0.4"
+        android:fillColor="#B0B0B0"
+        android:pathData="M13.538,3.596L12.269,2.75V19.25L13.538,18.404V3.596Z"
+        android:strokeAlpha="0.4" />
+</vector>
diff --git a/domain/legacy/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt b/domain/legacy/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt
index 9bd2291a93..da1221c137 100644
--- a/domain/legacy/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt
+++ b/domain/legacy/src/main/java/com/tangem/domain/common/extensions/Blockchain.kt
@@ -64,6 +64,8 @@ fun Blockchain.Companion.fromNetworkId(networkId: String): Blockchain? {
         "telos/test" -> Blockchain.TelosTestnet
         "aleph-zero" -> Blockchain.AlephZero
         "aleph-zero/test" -> Blockchain.AlephZeroTestnet
+        "octaspace" -> Blockchain.OctaSpace
+        "octaspace/test" -> Blockchain.OctaSpaceTestnet
         else -> null
     }
 }
@@ -132,6 +134,8 @@ fun Blockchain.toNetworkId(): String {
         Blockchain.TelosTestnet -> "telos/test"
         Blockchain.AlephZero -> "aleph-zero"
         Blockchain.AlephZeroTestnet -> "aleph-zero/test"
+        Blockchain.OctaSpace -> "octaspace"
+        Blockchain.OctaSpaceTestnet -> "octaspace/test"
     }
 }
 
@@ -175,6 +179,7 @@ fun Blockchain.toCoinId(): String {
         Blockchain.Cronos -> "crypto-com-chain"
         Blockchain.Telos, Blockchain.TelosTestnet -> "telos"
         Blockchain.AlephZero, Blockchain.AlephZeroTestnet -> "aleph-zero"
+        Blockchain.OctaSpace, Blockchain.OctaSpaceTestnet -> "octaspace"
     }
 }
 
diff --git a/gradle/dependencies.toml b/gradle/dependencies.toml
index edf13f07ee..701091b1d4 100644
--- a/gradle/dependencies.toml
+++ b/gradle/dependencies.toml
@@ -80,7 +80,7 @@ okHttp-prettyLogging = "3.1.0"
 # endregion Other libraries
 
 # region Tangem
-tangemBlockchainSdk = "develop-288"
+tangemBlockchainSdk = "develop-289"
 #tangemBlockchainSdk = "0.0.1" # Keep it! - used for local builds
 tangemCardSdk = "develop-278"
 #tangemCardSdk = "0.0.1" # Keep it! - used for local builds