The best encrypted messaging apps 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. A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” Channel login must contain 5-32 characters
from us