The Blockstream CEO told Paris Blockchain Week that Bitcoin should build quantum-resistant upgrades now, a day after Jameson Lopp proposed freezing vulnerable coins instead. Bitcoin developer Adam Back argues that the network should begin adding optional quantum-resistant features now, even though practical quantum computers remain years away. A new proposal known as BIP-361 would phase out quantum-vulnerable addresses over five years and freeze coins that do not migrate, including Satoshi Naka…
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