Of course! Durov is a genius. First he created the best social network in the world, then one of the best messengers - Telegram. Conveniently, quickly, simple - that's what you need. Any worthy ICO is required to use Telegram for maximum feedback
Is he? or which of them? There is 2 brothers, one of them is the CEO and ppl know them like a known face, other is like really genius because he does the tech job,
Anyway they have strong team and big ambtions, so i think they have a good chance to success, we will see