Definition ∞ A Cross-Chain Bridge Exploit is an attack that leverages a weakness in a cross-chain bridge to illegally transfer or drain digital assets. This type of exploit typically targets smart contract vulnerabilities, cryptographic flaws, or compromised validator mechanisms. Successful exploits lead to significant financial losses and disrupt inter-blockchain communication.
Context ∞ Cross-chain bridge exploits represent a major security challenge for the decentralized finance landscape, accounting for a substantial portion of stolen funds in recent years. The industry is actively working on improved security audits, formal verification, and decentralized governance models to fortify these critical infrastructure components against future attacks.
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