Bitcoin Developers Propose Quantum Defenses, Potentially Freezing Vulnerable Coins

The promise of Bitcoin's security is being reevaluated as developers propose measures to defend against potential quantum computer attacks. A recently updated proposal, Bitcoin Improvement Proposal (BIP)-361, aims to migrate coins to quantum-resistant addresses or risk having them frozen by the network. This move is a response to warnings that a sufficiently powerful quantum machine could compromise the Bitcoin blockchain, potentially stealing coins. The proposal outlines a three-phase plan to block new bitcoin from being sent to vulnerable addresses, render old-style signatures invalid, and potentially allow holders to recover frozen coins using zero-knowledge proofs. However, the community is pushing back against the idea, citing concerns over authoritarianism and confiscation, as it contradicts Bitcoin's fundamental principle of sovereign control over funds. Developers argue that the proposal is a necessary defensive measure to protect the Bitcoin ecosystem from malicious actors.