Telegram: Secure Messaging App with End-to-End Encryption

Telegram is a cloud-based instant messaging app that allows users to send messages, photos, videos, audio messages, and files of any type. It was launched in 2013 by brothers Pavel and Nikolai Durov, who also founded the social networking site VKontakte. Telegram is known for its security features such as end-to-end encryption, self-destructing messages, and the ability to create secret chats. It is available for download on various platforms including iOS, Android, Windows, macOS, and Linux. Telegram has over 500 million active users worldwide as of 2021.