这里主要探讨的是跑路的可能性，而不是隐私保护，这三家的隐私保护从技术上都没什么大问题。 Client-Server Communication is shielded from MiTM-attacks all through DH crucial era through a server RSA public vital embedded into client program. After that, if each clients have confidence in the server software package, the Secret Chats among them are guarded with the server from MiTM attacks. ... https://www.mtpoto.com/