From https://simplex.chat/blog/20230722-simplex-chat-v5-2-message-delivery-receipts.html https://simplex.chat/blog/20230722-simplex-chat-v5-2-message... >Why n

From https://simplex.chat/blog/20230722-simplex-chat-v5-2-message-delivery-receipts.html https://simplex.chat/blog/20230722-simplex-chat-v5-2-message... >Why not hosted groups with MLS? >Initially, we considered the design with the dedicated servers, potentially self-hosted, that host groups. This design would require adopting MLS (or similar) protocol for group-wide key agreement. Unfortunately, this design is not sufficiently resilient and easier to censor than decentralized design. Also, MLS protocol is very complex to implement, requires a centralized component, and reduces forward secrecy. So we decided against this approach.