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Anthropic's Claude Mythos Release Puts DeFi Security Practices Under Scrutiny

6/19/2026

The public release of Fable 5, the first available version of Anthropic's Claude Mythos AI model, has prompted a pointed debate among cryptocurrency industry figures over whether advanced AI could be weaponized to find and exploit vulnerabilities in decentralized finance protocols.

Simon Dedic, founder of Moonrock Capital, and Michael Egorov, co-founder of Curve Finance, have staked out sharply different positions on where the real risks lie.

What Smart Contract Risk Actually Means A smart contract is self-executing code deployed on a blockchain that governs financial transactions without human intermediaries.

When that code contains a flaw, there is no customer service line—only the exploit. Dedic, posting on X, argued that Claude Mythos could reduce the cost and technical skill required to locate those flaws to nearly zero.

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