2026.06.29 09:35:34 (Mastodon 116832713736713240, Twitter 2071527997929328658) from Daniel J. Bernstein:
"There is no formal membership in the IETF. Participation is open to all. This participation may be by on-line contribution, attendance at face-to-face sessions, or both." (source: IETF's official working-group procedures, https://web.archive.org/web/20251217213247/https://www.rfc-editor.org/rfc/rfc2418.html)