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One of the worst parts about messaging apps is that anyone can add you to random groups without your active permission. However, the good part is that Telegram gives you an option to disable it altogether. You can change the desired settings from Settings menu -> Privacy and Security -> Groups -> My Contacts and then select all the Telegram users to “Never Allow”. I can’t tell you how much I love this Telegram trick. Large file size limit The encryption is based on 2048-bit RSA encryption, 256-bit symmetric AES encryption, and Diffie–Hellman secure key exchange.

Telegram has a feature that not only lets you send messages at a particular time but also on a particular date. Just hold the “send” button in any chat and choose “Schedule Message” to automatically send content at a specified time in the future. This feature also works in your “Saved Messages” chat, turning your planned messages into reminders. All Telegram users can download these extra-large documents, regardless of whether they are subscribed to Telegram Premium. This is a handy feature for users who want to save disk space. To access it, go to the “Settings”, “Data and Storage”, and then tap “Storage Usage”. You will find four options: keep media on your device for three days, one week, one month, or forever. They offer a great opportunity to reach people directly, sending notifications to their devices with every post. Users can join and leave channels at any time. And once they join a channel, they can see its entire message history.

Read: 8 Most Common Encryption Techniques To Save Private Data I rode an electric bike to work, and here’s what I learned Premium Premium Badges You’ll have to be especially concerned with privacy to want to do this — it means you’ll never have a chat log — nonetheless, it’s a nice option that Facebook Messenger, WhatsApp, and WeChat don’t have.

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