This is an excellent answer. You get right to the core of it, quite clearly, which is that this has naught to do with the crypto itself. But that: > If this co

This is an excellent answer. You get right to the core of it, quite clearly, which is that this has naught to do with the crypto itself. But that: > If this counter-challenge cannot be broken, then it shows that the challenge issued by Telegram is no proof of security.