Explore cross-chain project vulnerabilities and bridge hacking techniques in this conference talk from BSides Budapest 2022, where security researcher Dávid Pethes demonstrates how wrapped tokens and coins can be exploited at the intersection of Web3.0 and traditional web architecture. Learn about real-world examples like the $320 million Wrapped ETH hack, understand the complex interplay between smart contract functions and web server vulnerabilities, and discover proposed solutions for creating more secure decentralized systems. Gain valuable insights into blockchain security challenges and defensive strategies for protecting cross-chain implementations.