Understanding Cross-Chain Bridge Security Models Through Recent Hacks

Cross-chain bridges are critical infrastructure in the multi-chain ecosystem. However, recent incidents have shown that even if smart contracts pass audits, it does not guarantee the security of the overall system.

In this talk, we will start from recent cases (particularly the Kelp DAO incident) to introduce common cross-chain bridge design patterns. From a system security perspective, we will break down typical sources of risk and provide a deeper understanding of bridge security.