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。 MTProto Uses AES in IGE method (see this, in the event you wonder how one can securely use IGE) which is secure from non-adaptive CPAs. IGE is known for being not safe from blockwise-adaptive CPA, but MTProto fixes this in the subsequent manner: The drawback of Telegram is usually https://www.mtpoto.com/