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 Works by using AES in IGE mode (see this, should you surprise how one can securely use IGE) that's safe against non-adaptive CPAs. IGE is thought to get not protected in opposition to blockwise-adaptive CPA, but MTProto fixes this in the subsequent manner: The closed source point is https://www.mtpoto.com/