How to create a business channel on Telegram? (Tutorial) 5Telegram Channel avatar size/dimensions The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar. Just as the Bitcoin turmoil continues, crypto traders have taken to Telegram to voice their feelings. Crypto investors can reduce their anxiety about losses by joining the “Bear Market Screaming Therapy Group” on Telegram. In 2018, Telegram’s audience reached 200 million people, with 500,000 new users joining the messenger every day. It was launched for iOS on 14 August 2013 and Android on 20 October 2013.
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