How resistant is the MTProto protocol to a Man-in-the-middle attack?

Question

Burglary protection

The cryptographic strength of this protocol is being actively discussed. As far as I know, the Man-in-the-middle attack is still relevant, despite active protection against it. Was Telegram able to deal with this problem?

Answer 1

FAQ - Authentication - Q: How are Secret Chats authenticated?
Those. to make sure that there is no intercepting major in the middle, it is recommended to visually compare the graphic fingerprints of the generated keys.