diff --git a/packages/catapp/src/App.tsx b/packages/catapp/src/App.tsx
index 25f5a76f..fae10ef0 100644
--- a/packages/catapp/src/App.tsx
+++ b/packages/catapp/src/App.tsx
@@ -103,6 +103,11 @@ function App() {
 
       const utxos = await walletService.current.getUTXOs();
 
+      if(utxos.length == 0) {
+        alert("Insufficient satoshis balance!");
+        return;
+      }
+
       const receiver = btc.Address.fromString(data.address);
       const d = new Decimal(data.amount).mul(
         Math.pow(10, metadata.info.decimals)
diff --git a/packages/catapp/src/index.tsx b/packages/catapp/src/index.tsx
index 5b536e3b..032464fb 100644
--- a/packages/catapp/src/index.tsx
+++ b/packages/catapp/src/index.tsx
@@ -3,20 +3,6 @@ import ReactDOM from 'react-dom/client';
 import './index.css';
 import App from './App';
 import reportWebVitals from './reportWebVitals';
-import { BurnGuard, CAT20, TransferGuard } from '@cat-protocol/cat-smartcontracts';
-import cat20 from '../../smartcontracts/artifacts/contracts/token/cat20.json';
-import burnGuard from '../../smartcontracts/artifacts/contracts/token//burnGuard.json';
-import transferGuard from '../../smartcontracts/artifacts/contracts/token/transferGuard.json';
-
-function loadArtifacts() {
-  try {
-    CAT20.loadArtifact(cat20)
-    BurnGuard.loadArtifact(burnGuard)
-    TransferGuard.loadArtifact(transferGuard)
-} catch (error) { /* empty */ }
-}
-
-loadArtifacts();
 
 const root = ReactDOM.createRoot(
   document.getElementById('root') as HTMLElement