Bitcoin Security Under Threat: Former Mt. Gox CEO Warns of Quantum Upgrade Nightmare

domingo, 22 de febrero de 2026, 7:09 am ET1 min de lectura
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Former Mt. Gox CEO Mark Karpelès warns that upgrading the entire Bitcoin supply to a quantum-resistant standard will take years and be virtually impossible. The real target is ECDSA, the digital signatures used for transactions, which are susceptible to quantum attacks. Karpelès emphasizes the logistical nightmare of getting every user to upgrade, as owners of lost or dormant coins cannot move them to quantum-safe addresses.

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