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2026-02-24
08:42

Shaw: Quantum computing is still far from cracking Bitcoin

Odaily Planet Daily reports that Shaw stated on the X platform that there is a significant gap between the actual progress of quantum computing and media hype and public perception. Although the field is making progress, in the next 40 to 50 years, quantum computers will not achieve the functionalities they are claimed to have. Regarding hash functions like SHA-256, even with the most ideal application of Grover's algorithm, the search space can only be reduced from 2^256 to 2^128, and 2^128 remains physically unbreakable. Shaw pointed out that the most advanced quantum computers today cannot even factor the number 21 into 3 and 7 without prior knowledge of the result. To crack Bitcoin, quantum computers would need to perform repeated calculations on the real-time network within minutes, a leap in capability far beyond the computing power of the 1950s.
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