But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. In 2018, Russia banned Telegram although it reversed the prohibition two years later. Some privacy experts say Telegram is not secure enough Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp.
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