@0xabad1dea@infosec.exchange @elexia@catcatnya.com "many-to-many e2ee does not work." - it's a highly valid insight. It's a notoriously hard problem to solve perfectly, for all use cases and scenarios. There have been several valiant attempts in the #OpenSource world, but some sort of technical problem or other seems to keep "bursting out the seams". The devil keeps being in the details.