Invite up to 200 users from your contacts to join your channel 5Telegram Channel avatar size/dimensions End-to-end encryption is an important feature in messaging, as it's the first step in protecting users from surveillance. Public channels are public to the internet, regardless of whether or not they are subscribed. A public channel is displayed in search results and has a short address (link). The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be:
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