The study examines 60 bridges and 34 bridge exploits from 2021-2023, identifying architectural components, design flaws, and impact reduction measures. Various vulnerabilities such as private key leaks, authentication bypasses, and bad business logic are discussed. Impact reduction strategies involve bridge operators, blockchain validators, exchange operators, token operators, and law enforcement.
Throughout the analysis, the authors emphasize the importance of understanding bridge architectures to address vulnerabilities effectively and prevent potential exploits. The study provides valuable insights into securing cross-chain bridges against malicious attacks.
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arxiv.org
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