Despite Telegram's origins, its approach to users' security has privacy advocates worried. Founder Pavel Durov says tech is meant to set you free 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 2018, Russia banned Telegram although it reversed the prohibition two years later. The Securities and Exchange Board of India (Sebi) had carried out a similar exercise in 2017 in a matter related to circulation of messages through WhatsApp.
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