Cross-chain governance attacks exploit vulnerabilities in decentralized autonomous organizations (DAOs) by manipulating voting power through flash loans and bridge transfers. To mitigate these risks, protocol teams must implement vote finality delays, token cooldown periods after bridging, cross-chain vote deduplication mechanisms, conservation of voting power checks, and emergency circuit breakers for suspicious activities. Security monitoring should focus on large token movements near proposal snapshots, increased flash loan volumes, unusual proposal submissions, anomalous cross-chain message latencies, and sudden spikes in voter turnout.
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