If you are looking for practical ways to join without a shared link, several technical workarounds exist: Global Search by Username : Public groups have a unique @PythonChat
For the Admin to find you, you must have "Who can find me by phone number" set to Nobody and "Who can add me to groups" set to My Contacts or Nobody . This forces the admin to use your username, obscuring your phone number entirely. how to join telegram group without sharing link