Quantum threat to Bitcoin is real, but manageable, according to Wall Street broker Bernstein

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Wall Street broker Bernstein says quantum computing poses a credible but manageable threat to Bitcoin and cryptocurrency. Recent advances from Google Quantum AI suggest timelines are compressing, but scaling quantum systems to break encryption remains complex. Bernstein views this as a medium to long-term system upgrade rather than existential risk. About 1.7 million Bitcoin in legacy wallets face exposure. The industry has three to five years to transition to post-quantum cryptography through new wallet standards and key rotation strategies.

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