The Protocol: Bernstein says quantum threat to Bitcoin is real but manageable

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Wall Street broker Bernstein reports quantum computing poses a credible but manageable threat to Bitcoin and cryptocurrency. Recent breakthroughs from Google Quantum AI reduce qubit requirements, shortening timelines for potential encryption attacks. However, scaling quantum systems to break widely-used encryption remains complex. Bernstein analysts recommend viewing quantum as a medium-to-long-term system upgrade rather than existential risk.

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