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Quantum Alliance says 6 million bitcoin have exposed public keys
Original: Quantum Alliance counts 6.04 million bitcoin with exposed public keys
The Quantum Alliance reports that around 6.04 million bitcoin are held at addresses with publicly exposed keys, meaning those coins could theoretically be vulnerable if large-scale quantum computers become capable of breaking current cryptography. The estimate covers coins in addresses where the public key is visible on-chain, often from older transaction types. The figure reignites debate over how urgently bitcoin holders should move funds to quantum-resistant addresses.
Why now: Ongoing concern that advances in quantum computing could eventually threaten bitcoin's cryptography puts any vulnerability estimate in the spotlight.
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