Researchers at the privacy-centric blockchain startup say their multi-layer quantum defense will feature a soft fork to freeze and protect dormant BTC. AmericanFortress has unveiled a patent-pending post-quantum signature scheme that aims to protect existing crypto assets, including dormant wallets, from future quantum attacks without mass fund migrations. The proposed protocol would use a backward-compatible soft fork and zero-knowledge proofs to freeze and secure vulnerable pre-BIP32 bitcoin…
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