Definition ∞ A cross-chain attack targets vulnerabilities in protocols that enable asset transfers or data communication between different blockchain networks. These attacks exploit weaknesses in bridges or interoperability mechanisms. Successful incursions can lead to the theft of assets or manipulation of data across connected chains.
Context ∞ Cross-chain attacks represent a significant security risk within the multi-chain ecosystem, causing substantial financial losses and eroding user trust. Developers are prioritizing the security of bridge designs and interoperability protocols through advanced cryptography and rigorous auditing. The ongoing challenge involves balancing seamless asset movement with robust defense against malicious actors.
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