The Quantum Alliance, including Hacken, Midnight Foundation, Quantus and Postquant Labs, plans to publish common security tests and guidance for migrating networks to quantum-resistant systems. Debate continues over Satoshi's estimated 1.1 million bitcoin: Changpeng Zhao suggested freezing untouched coins, and Jameson Lopp proposed restrictions on vulnerable coins, while critics say freezing violates bitcoin's no-confiscation promise. Bennett said no credible cost figure exists and the real cost is coordinating wallets, exchanges, custodians and developers. Replacement signatures may use more blockchain space, raising fees or lowering transaction capacity.

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