diff --git a/blockchain/src/main/java/com/tangem/blockchain/blockchains/chia/ChiaTransactionBuilder.kt b/blockchain/src/main/java/com/tangem/blockchain/blockchains/chia/ChiaTransactionBuilder.kt
index d30b01f1..dc2bf30c 100644
--- a/blockchain/src/main/java/com/tangem/blockchain/blockchains/chia/ChiaTransactionBuilder.kt
+++ b/blockchain/src/main/java/com/tangem/blockchain/blockchains/chia/ChiaTransactionBuilder.kt
@@ -9,10 +9,7 @@ import com.tangem.blockchain.blockchains.chia.network.ChiaCoin
 import com.tangem.blockchain.blockchains.chia.network.ChiaCoinSpend
 import com.tangem.blockchain.blockchains.chia.network.ChiaSpendBundle
 import com.tangem.blockchain.blockchains.chia.network.ChiaTransactionBody
-import com.tangem.blockchain.common.Amount
-import com.tangem.blockchain.common.Blockchain
-import com.tangem.blockchain.common.BlockchainSdkError
-import com.tangem.blockchain.common.TransactionData
+import com.tangem.blockchain.common.*
 import com.tangem.blockchain.extensions.Result
 import com.tangem.blstlib.generated.P2
 import com.tangem.blstlib.generated.P2_Affine
@@ -71,7 +68,7 @@ class ChiaTransactionBuilder(private val walletPublicKey: ByteArray, val blockch
     }
 
     fun buildToSend(signatures: List<ByteArray>) = ChiaTransactionBody(
-        ChiaSpendBundle(aggregateSignatures(signatures).toHexString(), coinSpends),
+        ChiaSpendBundle(aggregateSignatures(signatures).toHexString().addHexPrefix(), coinSpends),
     )
 
     fun getTransactionCost(amount: Amount): Long {
@@ -113,7 +110,7 @@ class ChiaTransactionBuilder(private val walletPublicKey: ByteArray, val blockch
         val coinSpends = unspentCoins.map {
             ChiaCoinSpend(
                 coin = it,
-                puzzleReveal = ChiaAddressService.getPuzzle(walletPublicKey).toHexString(),
+                puzzleReveal = ChiaAddressService.getPuzzle(walletPublicKey).toHexString().addHexPrefix(),
                 solution = "",
             )
         }
@@ -131,10 +128,10 @@ class ChiaTransactionBuilder(private val walletPublicKey: ByteArray, val blockch
             null
         }
 
-        coinSpends[0].solution = listOfNotNull(sendCondition, changeCondition).toSolution().toHexString()
+        coinSpends[0].solution = listOfNotNull(sendCondition, changeCondition).toSolution().toHexString().addHexPrefix()
 
         for (coinSpend in coinSpends.drop(1)) {
-            coinSpend.solution = listOf(RemarkCondition()).toSolution().toHexString()
+            coinSpend.solution = listOf(RemarkCondition()).toSolution().toHexString().addHexPrefix()
         }
 
         return coinSpends
@@ -160,6 +157,15 @@ class ChiaTransactionBuilder(private val walletPublicKey: ByteArray, val blockch
         return P2().hash_to(walletPublicKey + this, AUG_SCHEME_DST, ByteArray(0)).compress()
     }
 
+    private fun String.addHexPrefix(): String {
+        if (this.isEmpty()) return this
+        return if (this.startsWith(HEX_PREFIX)) {
+            this
+        } else {
+            HEX_PREFIX + this
+        }
+    }
+
     companion object {
         // costs were calculated with get_fee_estimate API method with real transactions of currently use format
         private const val COIN_SPEND_COST = 4500000L