Safeguarding cryptocurrency by disclosing quantum vulnerabilities responsibly (research.google)

Google Quantum AI says future quantum computers could break the elliptic-curve cryptography used by many blockchains, and updates estimates for the quantum resources needed to do so. The post argues cryptocurrencies should migrate toward post-quantum cryptography and also offers near-term recommendations for wallets and policy around abandoned coins. It describes using coordinated, “responsible” disclosure—publishing verifiable claims via zero-knowledge proofs without releasing attack-enabling circuit details—to reduce fear and uncertainty while still helping others prepare.