Again, in contrast to Facebook, Google and Twitter, Telegram's founder Pavel Durov runs his company in relative secrecy from Dubai. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Anastasia Vlasova/Getty Images 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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