PQ Interop #17 | Nov 26, 2025

[will-corcoran]

Resources

• Zoom link: https://ethereumfoundation.zoom.us/j/8286061638?pwd=YmprOHJOZWlFQW8wSEVFVEVQanFvQT09
• Facilitator email: will@ethereum.org
• Facilitator Telegram: @corcoranwill

Agenda Overview

A. Client Updates
B. Spec Updates
C. Research Discussion
D. Open Discussion
E. Schedule

Agenda Details

A. Client Updates

Team	Previous Update
Ream	-
Zeam	-
Qlean	-
Lantern	-

B. Spec Updates

C. Research Discussion

D. Open Discussion

E. Schedule Discussion

[tcoratger]

From a XMSS/spec point of view, it could be nice to discuss:

• The leanSig migration here: https://github.com/leanEthereum/leanSig
• SSZ implementation for XMSS objects:
  • public key: add ssz impl leanEthereum/leanSig#12
  • core: implement ssz for all objects with tests leanEthereum/leanSig#14