Updated on 2026-08-14

app/build.gradle

@@ -38,6 +38,7 @@ android {
         }
         debug_beta {
             initWith release
+            debuggable true
             versionNameSuffix "-beta"
             applicationIdSuffix ".debug"
             buildConfigField 'String', 'CONFIG_ENVIRONMENT', '\"prod\"'

app/src/main/java/com/tangem/tap/common/extensions/Picasso.kt

@@ -15,9 +15,8 @@ fun Picasso.loadCurrenciesIcon(
     imageView: ImageView,
     textView: TextView,
     token: Token? = null,
-    blockchain: Blockchain?,
+    blockchain: Blockchain,
 ) {
-    val blockchain = blockchain ?: Blockchain.Ethereum
 
     val url = if (token != null) {
         IconsUtil.getTokenIconUri(blockchain, token)

app/src/main/java/com/tangem/tap/features/send/redux/SendScreenAction.kt

@@ -58,6 +58,10 @@ sealed class TransactionExtrasAction : SendScreenActionUi {
         data class HandleUserInput(val data: String) : XlmMemo()
     }
 
+    sealed class BinanceMemo : TransactionExtrasAction() {
+        data class HandleUserInput(val data: String) : BinanceMemo()
+    }
+
     sealed class XrpDestinationTag : TransactionExtrasAction() {
         data class HandleUserInput(val data: String) : XrpDestinationTag()
     }

app/src/main/java/com/tangem/tap/features/send/redux/reducers/TransactionExtrasReducer.kt

@@ -14,7 +14,8 @@ class TransactionExtrasReducer : SendInternalReducer {
         return when (action) {
             is Prepare -> handleInitialization(action, sendState)
             Release -> handleRelease(action, sendState)
-            is XlmMemo -> handleMemo(action, sendState, sendState.transactionExtrasState)
+            is XlmMemo -> handleXlmMemo(action, sendState, sendState.transactionExtrasState)
+            is BinanceMemo -> handleBinanceMemo(action, sendState, sendState.transactionExtrasState)
             is XrpDestinationTag -> handleXrpTag(action, sendState, sendState.transactionExtrasState)
             else -> sendState
         }
@@ -40,6 +41,7 @@ class TransactionExtrasReducer : SendInternalReducer {
                 }
             }
             Blockchain.Stellar -> TransactionExtrasState(xlmMemo = XlmMemoState())
+            Blockchain.Binance -> TransactionExtrasState(binanceMemo = BinanceMemoState())
             else -> emptyResult
         }
         return updateLastState(sendState.copy(transactionExtrasState = result), result)
@@ -50,7 +52,7 @@ class TransactionExtrasReducer : SendInternalReducer {
         return updateLastState(sendState.copy(transactionExtrasState = result), result)
     }
 
-    private fun handleMemo(
+    private fun handleXlmMemo(
             action: XlmMemo,
             sendState: SendState,
             infoState: TransactionExtrasState,
@@ -94,6 +96,26 @@ class TransactionExtrasReducer : SendInternalReducer {
         return updateLastState(sendState.copy(transactionExtrasState = result), result)
     }
 
+    private fun handleBinanceMemo(
+        action: BinanceMemo,
+        sendState: SendState,
+        infoState: TransactionExtrasState,
+    ): SendState {
+        val result = when (action) {
+            is BinanceMemo.HandleUserInput -> {
+                val tag = action.data.toBigIntegerOrNull()
+                if (tag != null) {
+                    val input = InputViewValue(action.data, true)
+                    val tagState = BinanceMemoState(input, tag)
+                    infoState.copy(binanceMemo = tagState)
+                } else {
+                    infoState
+                }
+            }
+        }
+        return updateLastState(sendState.copy(transactionExtrasState = result), result)
+    }
+
     private fun handleXrpTag(
             action: XrpDestinationTag,
             sendState: SendState,

app/src/main/java/com/tangem/tap/features/send/redux/states/AddressPayIdState.kt

@@ -27,6 +27,7 @@ data class AddressPayIdState(
 
 data class TransactionExtrasState(
         val xlmMemo: XlmMemoState? = null,
+        val binanceMemo: BinanceMemoState? = null,
         val xrpDestinationTag: XrpDestinationTagState? = null
 ) : IdStateHolder {
     override val stateId: StateId = StateId.TRANSACTION_EXTRAS
@@ -54,6 +55,16 @@ data class XlmMemoState(
     }
 }
 
+data class BinanceMemoState(
+    val viewFieldValue: InputViewValue = InputViewValue(""),
+    val memo: BigInteger? = null,
+    val error: TransactionExtraError? = null
+    ) {
+    companion object {
+        val MAX_NUMBER: BigInteger = BigInteger("FFFFFFFFFFFFFFFF", 16)
+    }
+}
+
 // tag must contains only digits
 data class XrpDestinationTagState(
         val viewFieldValue: InputViewValue = InputViewValue(""),
@@ -67,5 +78,6 @@ data class XrpDestinationTagState(
 
 enum class TransactionExtraError {
     INVALID_DESTINATION_TAG,
-    INVALID_XLM_MEMO
+    INVALID_XLM_MEMO,
+    INVALID_BINANCE_MEMO
 }

app/src/main/java/com/tangem/tap/features/send/ui/SendFragment.kt

@@ -115,7 +115,7 @@ class SendFragment : BaseStoreFragment(R.layout.fragment_send) {
     }
 
     private fun setupTransactionExtrasLayout() {
-        etMemo.inputtedTextAsFlow()
+        etXlmMemo.inputtedTextAsFlow()
                 .debounce(400)
                 .filter {
                     val info = store.state.sendState.transactionExtrasState
@@ -132,6 +132,15 @@ class SendFragment : BaseStoreFragment(R.layout.fragment_send) {
                 }
                 .onEach { store.dispatch(TransactionExtrasAction.XrpDestinationTag.HandleUserInput(it)) }
                 .launchIn(mainScope)
+
+        etBinanceMemo.inputtedTextAsFlow()
+            .debounce(400)
+            .filter {
+                val info = store.state.sendState.transactionExtrasState
+                info.binanceMemo?.viewFieldValue?.value != it
+            }
+            .onEach { store.dispatch(TransactionExtrasAction.BinanceMemo.HandleUserInput(it)) }
+            .launchIn(mainScope)
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {

app/src/main/java/com/tangem/tap/features/send/ui/stateSubscribers/SendStateSubscriber.kt

@@ -65,19 +65,20 @@ class SendStateSubscriber(fragment: BaseStoreFragment) : FragmentStateSubscriber
         }
         showView(fg.xlmMemoContainer, infoState.xlmMemo)
         showView(fg.xrpDestinationTagContainer, infoState.xrpDestinationTag)
+        showView(fg.binanceMemoContainer, infoState.binanceMemo)
 
         infoState.xlmMemo?.let {
-            fg.etMemo.inputType = when (it.selectedMemoType) {
+            fg.etXlmMemo.inputType = when (it.selectedMemoType) {
                 XlmMemoType.TEXT -> InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS
                 XlmMemoType.ID -> InputType.TYPE_CLASS_NUMBER
             }
-            if (!it.viewFieldValue.isFromUserInput) fg.etMemo.setText(it.viewFieldValue.value)
+            if (!it.viewFieldValue.isFromUserInput) fg.etXlmMemo.setText(it.viewFieldValue.value)
             if (it.error != null) {
                 if (it.error == TransactionExtraError.INVALID_XLM_MEMO) {
-                    fg.tilMemo.error = fg.getText(R.string.send_error_invalid_memo_id)
+                    fg.tilXlmMemo.error = fg.getText(R.string.send_error_invalid_memo_id)
                 }
             } else {
-                fg.tilMemo.error = null
+                fg.tilXlmMemo.error = null
             }
         }
         infoState.xrpDestinationTag?.let {
@@ -92,6 +93,18 @@ class SendStateSubscriber(fragment: BaseStoreFragment) : FragmentStateSubscriber
                 fg.etDestinationTag.setText(it.viewFieldValue.value)
             }
         }
+        infoState.binanceMemo?.let {
+            if (infoState.binanceMemo.error != null) {
+                if (infoState.binanceMemo.error == TransactionExtraError.INVALID_BINANCE_MEMO) {
+                    fg.tilBinanceMemo.error = fg.getText(R.string.send_error_invalid_memo_id)
+                }
+            } else {
+                fg.tilBinanceMemo.error = null
+            }
+            if (!it.viewFieldValue.isFromUserInput) {
+                fg.etBinanceMemo.setText(it.viewFieldValue.value)
+            }
+        }
     }
 
     private fun handleSendScreen(fg: BaseStoreFragment, state: SendState) {

app/src/main/java/com/tangem/tap/features/wallet/ui/WalletDetailsFragment.kt

@@ -145,7 +145,7 @@ class WalletDetailsFragment : Fragment(R.layout.fragment_wallet_details), StoreS
         Picasso.get().loadCurrenciesIcon(
             imageView = iv_currency,
             textView = tv_token_letter,
-            blockchain = wallet.currency?.blockchain,
+            blockchain = wallet.currency.blockchain,
             token = (wallet.currency as? Currency.Token)?.token
         )
     }

app/src/main/java/com/tangem/tap/features/wallet/ui/adapters/WalletAdapter.kt

@@ -63,7 +63,7 @@ class WalletAdapter
             view.card_wallet.setOnClickListener {
                 store.dispatch(WalletAction.MultiWallet.SelectWallet(wallet))
             }
-            val blockchain = wallet.currency?.blockchain
+            val blockchain = wallet.currency.blockchain
             val token = (wallet.currency as? Currency.Token)?.token
 
             Picasso.get().loadCurrenciesIcon(

app/src/main/res/layout/layout_send_address_payid.xml

@@ -140,7 +140,7 @@
 <!--            </com.google.android.material.chip.ChipGroup>-->
 
             <com.google.android.material.textfield.TextInputLayout
-                android:id="@+id/tilMemo"
+                android:id="@+id/tilXlmMemo"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:hint="@string/send_extras_hint_memo"
@@ -148,7 +148,7 @@
                 app:errorIconDrawable="@null">
 
                 <com.google.android.material.textfield.TextInputEditText
-                    android:id="@+id/etMemo"
+                    android:id="@+id/etXlmMemo"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:background="@color/backgroundLightGray"
@@ -163,6 +163,38 @@
 
         </LinearLayout>
 
+        <FrameLayout
+            android:id="@+id/binanceMemoContainer"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:visibility="gone"
+            tools:visibility="visible">
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/tilBinanceMemo"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="@string/send_extras_hint_memo"
+                app:boxBackgroundColor="@color/backgroundLightGray"
+                app:errorIconDrawable="@null">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/etBinanceMemo"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@color/backgroundLightGray"
+                    android:ellipsize="end"
+                    android:inputType="number"
+                    android:paddingStart="0dp"
+                    android:paddingEnd="0dp"
+                    android:singleLine="true"
+                    android:textSize="16sp"
+                    tools:text="123" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+        </FrameLayout>
+
         <FrameLayout
             android:id="@+id/xrpDestinationTagContainer"
             android:layout_width="match_parent"