Nobel Prize-winning physicist warns that Bitcoin faces threats from quantum computing, with the window of opportunity closing

By: rootdata|2026/04/07 21:42:01

Former Google quantum hardware chief and 2025 Nobel Prize in Physics winner John Martinis warned that btc-42">Bitcoin could become one of the first real targets for quantum computing attacks. He stated that recent research from Google shows that advanced quantum computers could derive Bitcoin private keys in a matter of minutes, significantly lowering the computational security barriers that the network currently relies on.

Since Bitcoin relies on elliptic curve cryptography and the network upgrades slowly and is decentralized, this makes the quantum threat harder to address than in traditional financial systems. The public key exposure window when broadcasting Bitcoin transactions could be exploited by quantum computers to intercept funds before the transaction is finally confirmed. John Martinis emphasized that while building such quantum computers remains an extremely challenging engineering task, the community should not be complacent and should plan for quantum-resistant upgrades as soon as possible, anticipating that related threats will gradually emerge within 5 to 10 years.

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