False news often spreads via public groups, or chats, with potentially fatal effects. However, the perpetrators of such frauds are now adopting new methods and technologies to defraud the investors. 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. In 2018, Russia banned Telegram although it reversed the prohibition two years later. Despite Telegram's origins, its approach to users' security has privacy advocates worried.
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