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 Employs AES in IGE method (see this, in the event you ponder how you can securely use IGE) which is safe from non-adaptive CPAs. IGE is known to become not protected in opposition to blockwise-adaptive CPA, but MTProto fixes this in the next way: The disadvantage of Telegram https://www.mtpoto.com/