Coinbase, Custodian of 5% of Bitcoin (BTC), Proposes Phased Quantum-Security Migration

Coinbase, custodian of 5% of Bitcoin (BTC), published an October 13 paper urging Bitcoin developers to prepare for quantum threats. The proposal includes BIP-360, hybrid wallets, and a phased migration. The move highlights growing concerns about quantum computing's potential to break cryptographic security in the future.