Quantum Clock: Bitcoin's Death Date Just Got Closer
The breakthrough cuts previous estimates of when a quantum computer could execute a viable attack on crypto networks by 50 percent.
Bitcoin holders have a problem that wasn't on their radar twelve months ago — and it just got significantly more urgent. A research paper shared with CoinDesk reveals that humans working alongside AI agents have beaten Google's March 2026 benchmark on a core calculation underpinning Shor's algorithm, the mathematical process capable of cracking the elliptic curve cryptography that secures both Bitcoin and Ethereum. The breakthrough cuts previous estimates of when a quantum computer could execute a viable attack on crypto networks by 50 percent.
The mechanics matter less than the implication. Shor's algorithm, once considered a theoretical threat measured in decades, is being compressed toward a realistic timeline by the same AI acceleration rewriting every other industry. The calculation that Google's quantum team achieved in March — already considered a milestone — has now been outperformed by a hybrid human-AI approach, adding a variable that cryptographers had not fully modelled.
No exchange, no wallet provider, and no protocol has publicly committed to a post-quantum migration timeline. That gap between the speed of the threat and the inertia of the industry is where the real risk lives, per analysts speaking to CoinDesk.
Crypto prices were already sliding on sticky inflation data. The quantum paper arrived into a market with no patience for structural uncertainty on top of macroeconomic pressure.
Your move: If you hold crypto in self-custody, check whether your wallet supports post-quantum address formats — several already do, quietly, and switching costs you nothing but ten minutes.
