Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said. He floated the idea of restricting the use of Telegram in Ukraine and Russia, a suggestion that was met with fierce opposition from users. Shortly after, Durov backed off the idea. Some privacy experts say Telegram is not secure enough
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