Google Signals Earlier Risk of Quantum Attacks on Bitcoin

Google researchers indicate that advances in quantum algorithms could allow future quantum computers to break Bitcoin’s cryptographic protections sooner than expected, requiring far fewer qubits than previously estimated. This could make certain Bitcoin wallets vulnerable once sufficiently powerful machines exist, potentially within the next decade. Although current technology is not yet capable, the findings highlight the urgency of preparing post-quantum security measures, especially given the difficulty of upgrading decentralized systems like Bitcoin in time. 

https://www.forbes.com/sites/digital-assets/2026/03/31/google-finds-quantum-computers-could-break-bitcoin-sooner-than-expected/

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