BitMEX Research proposes a canary system that pays a bounty to the first quantum attacker and activates a network-wide freeze, offering an alternative to a fixed five-year timeline. Bitcoin developers are weighing a BitMEX Research proposal for a "canary" system that would only restrict vulnerable older wallets if a quantum-capable attacker proves the threat on-chain. The canary address would hold a bounty that only a quantum attacker could unlock, with any spend both triggering a retroactive f…
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