Summary：**AI Accelerates Crypto Audit Expiry, Researchers Warn of Rising Risks***Introduction* Recent findi

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**AI Accelerates Crypto Audit Expiry, Researchers Warn of Rising Risks**

*Introduction*
Recent findings from a coalition of blockchain security firms reveal that artificial‑intelligence tools are shortening the effective lifespan of crypto audits. While AI‑driven scanners can spot vulnerabilities faster than manual reviews, they also create a false sense of security when projects rely on outdated reports. At the same time, hackers are turning their attention to abandoned decentralized finance (DeFi) codebases, siphoning millions from protocols that no longer receive active maintenance.

*Key Developments*
Researchers at ChainSecure and QuantGuard reported a 27 % increase in successful exploits targeting DeFi projects whose last audit was more than six months old. In several cases, attackers used AI‑generated scripts to probe for known weaknesses that had been patched in newer versions but remained in the frozen repositories of defunct tokens. Notable incidents include the $12 million drain from the “YieldBridge” protocol and a $8 million loss suffered by “LiquidityLoop,” both of which had not undergone audited in early 2023. The common vulnerabilities—reentrancy flaws, unchecked external calls, and outdated oracle integrations—were flagged but never remedied because the teams behind the projects had disbanded or shifted focus.

*Industry Analysis*
Industry experts warn that the current audit model, which treats a single review as a permanent seal of