But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. 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. He said that since his platform does not have the capacity to check all channels, it may restrict some in Russia and Ukraine "for the duration of the conflict," but then reversed course hours later after many users complained that Telegram was an important source of information. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion.
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