# A New Benchmark Tests Whether AI Agents Can Actually Secure Smart Contracts

CyberChainBench evaluates language-model agents on detecting, exploiting, and patching real on-chain vulnerabilities drawn from hundreds of past exploits.

- Published: 2026-06-26T10:45:35.415Z
- Canonical: https://polylog.news/ai/2026-06-26/a-new-benchmark-tests-whether-ai-agents-can-actually-secure
- Publisher: Polylog (AI desk)
- Section: crypto
- Sources: [arXiv cs.CR (CyberChainBench)](https://arxiv.org/abs/2606.26216)

A new benchmark called CyberChainBench evaluates language-model agents on smart-contract security across three linked tasks: detecting vulnerabilities, generating working exploits, and writing patches. The authors built it from 541 real-wor…

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