Bitcoin Developers Propose 'Wait and React' Strategy to Counter Quantum Computing Threats
The Bitcoin development community is considering a novel approach to mitigate the risks associated with quantum computing, which could potentially compromise the security of the network. Instead of imposing a pre-emptive freeze on vulnerable coins, the proposed 'wait and react' strategy would only trigger a network-wide response if a quantum-capable attacker demonstrates their capabilities. This approach 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, serving as a public proof of the threat. 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. However, this strategy assumes that the attacker would prefer to claim the bounty rather than exploiting the vulnerability for personal gain, which may not be a reliable assumption. The proposal is designed to provide an alternative to a fixed five-year timeline for upgrading the network's security, which has been met with criticism from some members of the community. The 'wait and react' approach aims to balance the need for security with the need to preserve the decentralized and permissionless nature of the Bitcoin network. Nevertheless, the success of this strategy hinges on the attacker's behavior, and if the bet fails, the network may be exposed to significant risks.