XMSS
Named by 9 kept items in this workspace.
5 items name it under classification.key entities, 2 under classification.technologies, 1 under affected products and 1 under tools.
Search every workspace for XMSS. It matches the name as written, so it can find other things that share it.
The items that name it 9
Stateful hash-based post-quantum signature scheme standardized by NIST, used as a comparison point (prior Korean-primitive instantiation K-XMSS)
RFC 8391
All technologies in this workspace.