diff --git a/tangem-demo/src/main/java/com/tangem/tangemtest/ucase/domain/actions/SignAction.kt b/tangem-demo/src/main/java/com/tangem/tangemtest/ucase/domain/actions/SignAction.kt
index 375c2ce9a7..f44f36d1ee 100644
--- a/tangem-demo/src/main/java/com/tangem/tangemtest/ucase/domain/actions/SignAction.kt
+++ b/tangem-demo/src/main/java/com/tangem/tangemtest/ucase/domain/actions/SignAction.kt
@@ -13,10 +13,10 @@ import ru.dev.gbixahue.eu4d.lib.kotlin.stringOf
 class SignAction : BaseAction() {
     override fun executeMainAction(payload: PayloadHolder, attrs: AttrForAction, callback: ActionCallback) {
         val dataForHashing = attrs.itemList.findItem(TlvId.TransactionOutHash) ?: return
-        val hash = dataForHashing.getData() as? ByteArray ?: return
+        val hash = dataForHashing.getData() as? String ?: return
         val cardId = attrs.itemList.findItem(TlvId.CardId)?.viewModel?.data ?: return
 
-        attrs.tangemSdk.sign(arrayOf(hash), stringOf(cardId)) { handleResult(payload, it, null, attrs, callback) }
+        attrs.tangemSdk.sign(arrayOf(hash.toByteArray()), stringOf(cardId)) { handleResult(payload, it, null, attrs, callback) }
     }
 
     override fun getActionByTag(payload: PayloadHolder, id: Id, attrs: AttrForAction): ((ActionCallback) -> Unit)? {
diff --git a/tangem-demo/src/main/java/com/tangem/tangemtest/ucase/domain/paramsManager/triggers/changeConsequence/ParamChangeConsequence.kt b/tangem-demo/src/main/java/com/tangem/tangemtest/ucase/domain/paramsManager/triggers/changeConsequence/ParamChangeConsequence.kt
index 730c570be6..bb771e86f6 100644
--- a/tangem-demo/src/main/java/com/tangem/tangemtest/ucase/domain/paramsManager/triggers/changeConsequence/ParamChangeConsequence.kt
+++ b/tangem-demo/src/main/java/com/tangem/tangemtest/ucase/domain/paramsManager/triggers/changeConsequence/ParamChangeConsequence.kt
@@ -4,6 +4,7 @@ import com.tangem.commands.Card
 import com.tangem.commands.EllipticCurve
 import com.tangem.common.extensions.calculateSha256
 import com.tangem.common.extensions.calculateSha512
+import com.tangem.common.extensions.toHexString
 import com.tangem.tangemtest._arch.structure.PayloadHolder
 import com.tangem.tangemtest._arch.structure.abstraction.Item
 import com.tangem.tangemtest._arch.structure.abstraction.findItem
@@ -40,7 +41,7 @@ class SignScanConsequence : ItemsChangeConsequence {
                 EllipticCurve.Ed25519 -> dataForHashing.calculateSha512()
                 else -> return null
             }
-            hashItem.setData(hashedData)
+            hashItem.setData(hashedData.toHexString())
         }
         return affectedItems.toList()
     }