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 Makes use of AES in IGE method (see this, if you ponder how one can securely use IGE) that is certainly protected against non-adaptive CPAs. IGE is known for being not secure towards blockwise-adaptive CPA, but MTProto fixes this in the next method: The downside of Telegram is https://www.mtpoto.com/