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 in response to warnings that a sufficiently powerful quantum machine could compromise Bitcoin's 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 the authoritarian and confiscatory nature of the proposal, which they believe undermines Bitcoin's fundamental principle of sovereign control over funds.