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Breaking Bitcoin's ECDSA in an hour needs ~317M physical qubits. Today's best machine has ~100. Meanwhile crypto lost $3.4B in 2025 to social engineering, bridge exploits, insider access. None to quantum. Fix the doormat before the safe: https://roamingpigs.com/r/qcto #cryptocurrency #infosec

roamingpigs.comThe Quantum Computing Threat to Crypto Is OverblownQuantum computing won

5/8/26, 5:08 pm1 repost0 likes

RoamingPigs

@roamingpigs.com

12 Aug

Correction on the qubit number above: today's largest quantum processors have crossed a thousand physical qubits, not ~100. The 317 million figure and the argument stand. The article has it right.