Winternitz one-time signatures
Hash-based one-time signatures in the Winternitz family, in a form other than the standardised WOTS+. Each key signs once, so a design using them has to rotate to a fresh key after every spend.
- Quantum status
- Believed quantum-resistant
- Standard
- No published standard
- Family
- hash based one time
- Also known as
- WOTS
Rated chains using it
- Solana Mainnet, opt-in
Contract level. Blueshift's Winterwallet program, whose program account we read on mainnet on 21 October 2026. Source code or release
Sources
- Quantum readiness , Solana Foundation. Accessed 19 October 2026.
Published beside the Hardy Score and not an input to it. How each chain is scored is set out in the methodology.