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by AegirLeet 1815 days ago
I'd flip that around and say that server-side chat history, large group chats and multiple clients are hard to implement in the context of an E2EE chat service. What I mean by that is: E2EE is a necessity, not some nice-to-have feature.

Building a chat service with server-side chat history but without E2EE is like building a car with very nice headlights that doesn't actually move.