Who is Nikolai Durov? Telegram co-founder and Pavel's brother also wanted by French authorities

French authorities have issued arrest warrants for Nikolai and Pavel Durov, co-founders of the messaging platform Telegram. They are accused of not cooperating in a police inquiry into child sex abuse. While Pavel is the public face, Nikolai is recognized for his technical expertise and contributions to Telegram's encryption protocols, making the platform secure for its users.