Current outcome
Coinbase has published a post-quantum readiness proposal urging Bitcoin to act now, recommending flexible post-quantum signatures, staged adoption, and a backup quantum-proof key, while separating the dormant-wallet issue. The plan remains a proposal, not deployed.
Progress timeline
3 material updates- #01
Moving Bitcoin’s Post-Quantum Readiness Forward - Coinbase
Coinbase outlines steps to advance Bitcoin's post-quantum readiness, addressing future security threats from quantum computing.
Source evidence: Coinbase · tokenpost.com · CryptoRank
- #02
Inside Coinbase’s $250 Billion Playbook for Post-Quantum Bitcoin Custody
Coinbase's head of cryptography Yehuda Lindell disclosed more details on post-quantum custody safeguards, including exploring a fallback architecture combining post-quantum threshold decryption with programmable HSMs to address potential non-MPC-friendly post-quantum signature schemes.
State after update: Coinbase is developing post-quantum custody safeguards and exploring an HSM fallback architecture for non-MPC-friendly signature schemes.
Source evidence: Decrypt
- #03
Coinbase, which holds 5% of all bitcoin, wants the quantum fix started now
Coinbase published a proposal urging Bitcoin to begin preparing for quantum computers now, recommending flexible post-quantum signature schemes, staged adoption, a backup quantum-proof key, and treating dormant or late-migrating wallets as a separate debate.
State after update: Coinbase has published a post-quantum readiness proposal urging Bitcoin to act now, recommending flexible post-quantum signatures, staged adoption, and a backup quantum-proof key, while separating the dormant-wallet issue. The plan remains a proposal, not deployed.