Bitcoin Developers Propose 'Wait and React' Strategy to Counter Quantum Computing Threat

The Bitcoin community is considering a new approach to addressing the potential threat of quantum computing, which involves delaying action until an actual attack occurs. This 'wait and react' strategy relies on a 'canary' system, where a small amount of bitcoin is placed in a special address that can only be unlocked by a quantum-capable attacker. If the attacker unlocks the address, it triggers a network-wide freeze on older wallets. The system also includes a financial incentive, where users can contribute to a bounty that rewards the first entity to demonstrate a quantum attack. However, this approach assumes that the attacker will claim the bounty rather than stealing vulnerable coins, which may not be a reliable assumption. The proposal is an alternative to a fixed five-year timeline, which has been criticized for being 'authoritarian and confiscatory.' The new approach aims to balance the need to protect the network with the need to preserve the core principles of Bitcoin, including the control of private key holders.