A LayerZero bridge verification failure triggered a $230 million exploit involving rsETH, prompting Aave to undertake a comprehensive overhaul of its asset-listing standards. The official postmortem identified the root cause as a flaw in cross-chain message verification rather than a traditional smart contract bug, signalling a broader shift in where DeFi vulnerabilities now originate. In response, Aave's governance is introducing stricter criteria for evaluating bridged and liquid restaking assets before they can be listed as collateral on the protocol. The incident highlights growing systemic risk as DeFi increasingly relies on cross-chain infrastructure, where bridge security has become as critical as the underlying contract code. Aave's reforms are expected to set a precedent for how other lending protocols assess third-party bridge dependencies going forward.
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