diff --git a/core/interoperability/cross-chain-bridge.js b/core/interoperability/cross-chain-bridge.js
new file mode 100644
index 0000000..0ba8b0b
--- /dev/null
+++ b/core/interoperability/cross-chain-bridge.js
@@ -0,0 +1,22 @@
+// cross-chain-bridge.js
+import { CrossChain } from 'cross-chain-sdk';
+import { Ethereum } from 'ethereumjs-util';
+import { Polkadot } from 'polkadot-sdk';
+
+class CrossChainBridge {
+  constructor() {
+    this.crossChain = new CrossChain();
+    this.ethereum = new Ethereum();
+    this.polkadot = new Polkadot();
+  }
+
+  establishConnection(chain) {
+    // Establish a connection to a cross-chain bridge
+  }
+
+  transferAssets(from, to, amount) {
+    // Transfer assets between different blockchain networks
+  }
+}
+
+export default CrossChainBridge;