Coinbase Outlines Bitcoin’s Post-Quantum Security Path as It Holds 5% of Supply
Key Highlights: Coinbase recommends a phased approach to post-quantum Bitcoin protection, proposing options like a “1-of-2” hybrid output supporting both classical and quantum-resistant spending paths. Legacy funds, including exposed pay-to-public-key outputs and Satoshi-era balances, present distinct governance hurdles requiring quantum-safe recovery mechanisms to prevent covert exploitation. Institutional custody demands prioritize MPC-friendly signing and constant-time verification ...