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Paul Miller
@paulm
There are challenges in upgrading blockchains to be post-quantum safe, however, some of them seem easy. Most keys these days are generated from BIP39 mnemonics. Bip39 is pq-safe. We freeze all balances. To unfreeze, we ask users to generate a STARK proof which shows seedphrase is related to their address. After that funds are moved to a new system. Done. (https://ethresear.ch/t/how-to-hard-fork-to-save-most-users-funds-in-a-quantum-emergency/18901)
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Danny
@mad-scientist
Or we give users the option to migrate soon, years ahead of any potential problem. It's already been discussed in relation to upgrades (like not using Verkle).
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