Bitcoin Quantum Migration May Take Years, Ledger CTO Says
5 Articles
5 Articles
Bitcoin Quantum Migration Could Take Years, Ledger CTO Warns
Ledger CTO Charles Guillemet says Bitcoin faces no immediate quantum threat, but preparing wallets, hardware devices, and existing BTC for a future migration could take years. Current proposals such as SHRINCS, BIP 360, and BIP 361 remain under development and have not been adopted on Bitcoin mainnet.
Crypto Economy
Cryptocurrency News | Cryptocurrency Prices | Market CapLedger CTO Warns Bitcoin Quantum Migration Could Take Years as SHRINCS Emerges
TL;DR: Ledger CTO Charles Guillemet published a technical analysis on September 16, 2026, evaluating the SHRINCS post-quantum signature proposal. The SHRINCS draft specifies signature sizes ranging from 548 to 5,777 bytes, compared to the 64 to 72 bytes seen in current ECDSA and Schnorr schemes. The proposal combines stateful signatures using Flexible XMSS and WOTS+C ...
Presented on August 27, 2026, SHRINCS is a post-quantum cryptographic signature project proposed by Ethan Heilman, Mikhail Kudinov, Oleksandr Kurbatov, Jonas Nick and two anonymouss known as Conduction and remix7531. SHRINCS, for Shrunken SPHINCS (Reduced SPHINCS), aims to prepare Bitcoin for the possibility that sufficiently powerful quantum computers could break the [...] The SHRINCS article, a post-quantum signature proposal for Bitcoin appea…
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