In a world where decentralized finance (DeFi) is supposed to thrive on transparency and security, the recent exploit on Balancer has raised urgent questions. Despite undergoing multiple audits, the vulnerabilities of complex composable pool logic and multi-chain deployments were exposed, showing that even the most diligent checks can fall short. This incident underscores the relentless evolution of hacking strategies, as attackers are leveraging on-chain automation to capitalize on security gaps