tl:dr Don't even think of using the #TeleGuard app. Never ever. Use #Signal, #Matrix, or #XMPP/#Jabber
https://www.404media.co/a-secure-chat-apps-encryption-is-so-bad-it-is-meaningless/?ref=daily-stories-newsletter
https://www.404media.co/a-secure-chat-apps-encryption-is-so-bad-it-is-meaningless/?ref=daily-stories-newsletter
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