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. 4How to customize a Telegram channel? How to create a business channel on Telegram? (Tutorial) To delete a channel with over 1,000 subscribers, you need to contact user support
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