diff --git a/QuantumNexusProtocol/src/interoperability/sidechain_integration.py b/QuantumNexusProtocol/src/interoperability/sidechain_integration.py
new file mode 100644
index 000000000..d2d02ba25
--- /dev/null
+++ b/QuantumNexusProtocol/src/interoperability/sidechain_integration.py
@@ -0,0 +1,19 @@
+from web3 import Web3
+
+class SidechainIntegration:
+    def __init__(self, main_chain_url, side_chain_url):
+        self.main_chain_web3 = Web3(Web3.HTTPProvider(main_chain_url))
+        self.side_chain_web3 = Web3(Web3.HTTPProvider(side_chain_url))
+
+    def transfer_to_sidechain(self, token_address, amount, target_address):
+        # Logic to transfer tokens from main chain to sidechain
+        pass
+
+    def transfer_to_main_chain(self, token_address, amount, target_address):
+        # Logic to transfer tokens from sidechain to main chain
+        pass
+
+# Example usage
+if __name__ == "__main__":
+    sidechain = SidechainIntegration('https://main-chain-url', 'https://side-chain-url')
+    # Example calls to transfer methods would go here