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. With Bitcoin down 30% in the past week, some crypto traders have taken to Telegram to “voice” their feelings. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: Concise The Channel name and bio must be no more than 255 characters long
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