Developers are considering ways to quantum-proof the world's oldest cryptocurrency as the threat of this computing moves beyond a hypothetical. Google researchers say a sufficiently powerful quantum computer could break Bitcoin's core cryptography in under nine minutes, raising concerns that such a threat could emerge as soon as 2029. Developers are exploring multiple defenses, including removing on-chain public keys (BIP 360), adopting hash-based post-quantum signatures like SPHINCS+…
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