With Bitcoin down 30% in the past week, some crypto traders have taken to Telegram to “voice” their feelings. 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. ZDNET RECOMMENDS SUCK Channel Telegram To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon.
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