A significant vulnerability in the Zcash privacy network, undetected for four years, was recently discovered using Anthropic's Opus 4.8 AI model. The flaw, which could have allowed unlimited counterfeit token creation, has been fixed, but its revelation caused Zcash's token to plummet by nearly 38% in 24 hours. Experts warn that similar vulnerabilities may exist in other cryptocurrencies and traditional banking systems, potentially identifiable by AI tools. Prominent figures in the crypto industry, such as Dragonfly's Haseeb Qureshi and SingularityNET's Ben Goertzel, advocate for the adoption of formal verification to enhance software security. This process involves using AI to automatically check mathematical proofs, potentially preventing future vulnerabilities. However, implementing these protections poses challenges, as highlighted by CertiK's CEO Ronghui Gu, who emphasizes the need for scalable defenses against increasingly sophisticated AI-driven threats.