The gold standard of encryption, known as end-to-end encryption, where only the sender and person who receives the message are able to see it, is available on Telegram only when the Secret Chat function is enabled. Voice and video calls are also completely encrypted. In December 2021, Sebi officials had conducted a search and seizure operation at the premises of certain persons carrying out similar manipulative activities through Telegram channels. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. In 2018, Russia banned Telegram although it reversed the prohibition two years later.
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