Ledger CTO Warns Bitcoin Quantum Migration Could Take Years as SHRINCS Emerges
Ledger CTO Analyzes SHRINCS Post-Quantum Signature Proposal for Bitcoin Ledger Chief Technology Officer Charles Guillemet published a technical analysis on September 16, 2026, evaluating the SHRINCS post-quantum signature proposal for Bitcoin. The draft Bitcoin Improvement Proposal (BIP) specifies signature sizes ranging from 548 to 5,777 bytes, a significant increase from the 64 to 72 bytes ...