DAO Governance Attacks via Relay Bridge: Why Multi-Chain Voting Creates Quorum Manipulation and How to Secure Cross-Chain Proposals
A distributed autonomous organization (DAO) with governance tokens spread across Ethereum, Polygon, and Arbitrum faces a practical governance problem. Token holders use a decentralized bridge to move voting power between chains, respond to urgent proposals, and participate in treasury decisions. But that same bridge infrastructure creates a silent attack surface: an adversary can acquire governance…