With Bitcoin down 30% in the past week, some crypto traders have taken to Telegram to “voice” their feelings. Select “New Channel” The Channel name and bio must be no more than 255 characters long Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. 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.
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