With Bitcoin down 30% in the past week, some crypto traders have taken to Telegram to “voice” their feelings. To view your bio, click the Menu icon and select “View channel info.” 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. 2How to set up a Telegram channel? (A step-by-step tutorial) 5Telegram Channel avatar size/dimensions
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