Security
Arthur Hayes Warns 6.9 Million Bitcoin (BTC) Sit Exposed to Future Quantum Attacks
COINOTAG·October 19, 2026·1 min read
Arthur Hayes warns that reused Bitcoin addresses expose public keys, leaving about 6.9 million BTC vulnerable to potential future quantum attacks. Hayes highlights the risk that quantum computers could one day derive private keys from exposed public keys, threatening the security of these funds.
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