Algorithm Agility for Bitcoin to maintain security in the face of quantum and classic breaks in the signature algorithms
31 repliesBy Ethan Heilman
bitcoin-dev
Involving Matt Corallo, Erik Aronesty+6 others
Original post on February 9, 2026 14:20 UTC
Last reply on February 23, 2026 21:42 UTC
bitcoin-dev
Multiparty and lattice-based signatures are explored for quantum-resistant Bitcoin decentralization.
SPHINCS and CRYSTALS-Dilithium show promise but have practicality and size issues.
SLH-DSA is a temporary choice until SQI-sign technologies become viable in three years.






