I would also be quite worried of Telegram, with their lack of default encryption, and a bit suspicious unblocking in Russia in 2020[0]. [0] https://www.indepen

I would also be quite worried of Telegram, with their lack of default encryption, and a bit suspicious unblocking in Russia in 2020[0]. [0] https://www.independent.co.uk/tech/telegram-russia-ban-lift-messaging-app-encryption-download-a9573181.html https://www.independent.co.uk/tech/telegram-russia-ban-lift-...