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The encryption is based on 2048-bit RSA encryption, 256-bit symmetric AES encryption, and Diffie–Hellman secure key exchange. Telegram Privacy Options Now, tap Profile Photo. Now, you have three options:

As mentioned above, the use of usernames instead of phone numbers means your account isn’t tied to just one phone. This makes it easier to log in on other devices, allows you to have multiple accounts on the same device, and makes it so you don’t have to share your phone number with someone to add them as a contact in Telegram. Public groups can now enable join requests – allowing group admins to review new members before approving them to write in the chat. Users who open the group can tap Request to Join, adding their request to a list that only admins can access. Close Enable Auto-Night Mode

Set custom notification sound With the latest updates, Telegram also allows users to have multiple accounts. This is great for people like me who like to keep their work and personal accounts separate. To add a new account, tap on the arrow beside your name and tap on Add Account. Customizations Premium Unique Reactions

Change Phone Numbers Telegram offers plenty of options for customization to make the app feel like a truly personal experience. Here is the list of interface element you can change: