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, when you marvel how one can securely use IGE) that may be protected towards non-adaptive CPAs. IGE is understood being not protected in opposition to blockwise-adaptive CPA, but MTProto fixes this in the subsequent manner: The group known as https://www.mtpoto.com/