Coinbase Advisory Board Calls for Quantum-Ready Bitcoin Migration

The report highlights that between 1.7 million and 5 million BTC could eventually become vulnerable to quantum-enabled attacks. These assets include coins in legacy pay-to-public-key addresses and those exposed through address reuse. Researchers, including Ethereum Foundation contributor Justin Drake, argue that waiting for consensus on how to treat these holdings could lead to significant future disruption.

A central tension exists regarding the fate of vulnerable coins. Some community members advocate for a hard migration deadline, which would effectively freeze assets that fail to shift to quantum-resistant signatures. Critics denounce this approach as an infringement on property rights, arguing it contradicts Bitcoin’s core principles of immutability and user autonomy. The advisory board declined to take sides, insisting that the governance process must remain in the hands of the Bitcoin community rather than being dictated by researchers.

Technical solutions are already surfacing to bridge this gap. Proposals such as Hourglass aim to control the movement of vulnerable coins, while BIP-361 and Post Quantum Address Commitments (PACTs) offer mechanisms for users to secure their holdings without forcing immediate on-chain transactions. Regardless of the chosen path, the board concluded that the priority must be the immediate development of migration tools and the education of users regarding potential risks long before quantum computing reaches a practical threshold.