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

The Bitcoin community is considering a new approach to addressing the potential threat of quantum computing to the network's security. Instead of implementing a pre-emptive freeze on vulnerable coins, the proposal involves a 'wait and react' strategy that relies on a canary system to detect and respond to a quantum-capable attacker. This system would place a small amount of bitcoin in a special address that can only be unlocked by a quantum-capable attacker, triggering a network-wide freeze of older wallets if the address is compromised. The proposal also includes a financial incentive, allowing users to contribute to a bounty that would reward the first entity to demonstrate a quantum attack publicly. However, this approach assumes that the attacker will claim the bounty rather than attempting to steal vulnerable coins, which may not be a reliable assumption. The proposal is designed as an alternative to a fixed five-year timeline for addressing the quantum computing threat, which has been criticized for being authoritarian and confiscatory. The new approach aims to reduce the risk of disrupting users prematurely while providing a more flexible and responsive solution to the potential threat.