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). You can invite up to 200 people from your contacts to join your channel as the next step. Select the users you want to add and click “Invite.” You can skip this step altogether. The Channel name and bio must be no more than 255 characters long How to Create a Private or Public Channel on Telegram? Telegram users themselves will be able to flag and report potentially false content.
from us