Since Vladimir Putin will be in charge for a few more years, it looks like Telegram might end up being blocked in Russia. A set of laws introduced back in 2016 required Telegram to give the government a way to decrypt all user conversations, and they received a fine of US$14,000 for failing to do so. Now, Telegram users in Russia should prepare for the worst.
https://www.notebookcheck.net/Telegram-ordered-to-hand-over-user-encryption-keys-by-Russian-authorities.289982.0.html