Telegram Messenger

FREE
Telegram Messenger
6.3

Privacy protection score

6/10

    Pros

    • - FREE

    Cons

    • - chats stored in the Telegram Cloud
    • - home spun MTProto protocol

    Telegram is a cloud-based instant messaging service, supported by the Russian-born entrepreneur Pavel Durov. It also offers optional end-to-end encrypted Secret Chat and self-destruct messages.

    Whereas its server-side code is closed-sourced and proprietary, its client-side code is open-source. Telegram provides APIs to independent developers.

    The MTProto protocol is based on 256-bit symmetric AES encryption, RSA 2048 encryption, and Diffie–Hellman key exchange.

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