WOTS+
The Winternitz one-time signature construction specified as a component of XMSS in RFC 8391. NIST SP 800-208 approves XMSS and LMS, not WOTS+ used on its own. Each key signs once.
- Quantum status
- Believed quantum-resistant
- Standard
- RFC 8391, final
- Family
- hash based one time
- Also known as
- Winternitz one-time signature plus
Rated chains using it
- Mochimo Mainnet, mandatory
Account signatures, PARAMSN 32, WOTSW 16. Source code or release
Sources
- RFC 8391: XMSS: eXtended Merkle Signature Scheme , IETF. 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.