Mythos, the new AI model from Anthropic that has sparked fear and confusion in traditional tech and finance, is also driving a massive shift in how the crypto industry thinks about security.

For years, decentralized finance has focused its defenses on smart contracts. Code is audited, vulnerabilities are cataloged, and many common exploits are well understood. But Mythos, a model designed to identify and chain together weaknesses across systems, is pushing attention beyond code and into the infrastructure that supports it.

“The bigger risks sit in infrastructure,” said Paul Vijender, head of security at Gauntlet, a risk management firm. “When I think about AI-driven threats, I’m less concerned about smart contract exploits and…