But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Founder Pavel Durov says tech is meant to set you free Despite Telegram's origins, its approach to users' security has privacy advocates worried. Anastasia Vlasova/Getty Images "And that set off kind of a battle royale for control of the platform that Durov eventually lost," said Nathalie Maréchal of the Washington advocacy group Ranking Digital Rights.
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