Bitcoin Developers Propose Freezing Coins to Counter Quantum Threats

The promise of Bitcoin has always been that no one can access your coins without your private key. However, this promise is now being challenged by the developer community as they attempt to build defenses against future quantum computers. A recently updated proposal, Bitcoin Improvement Proposal (BIP)-361, suggests forcing bitcoin holders to migrate their coins to new quantum-resistant addresses or risk having them frozen permanently by the network. This move is in response to a Google report warning that a sufficiently powerful quantum machine could compromise the Bitcoin blockchain more easily than initially thought. The proposal has sparked a backlash in the community, with some arguing that it goes against the fundamental principles of Bitcoin, which guarantee sovereign control over funds. The proposal is structured in three phases, with the first phase blocking new bitcoin from being sent to old-style, quantum-vulnerable addresses, the second phase rendering old-style signatures invalid, and the third phase potentially allowing holders to recover frozen coins using zero-knowledge proof. While some see this as a necessary defensive measure, others view it as an authoritarian and confiscatory move that undermines the principles of Bitcoin.