Telegram Is Not Secure

> The most secure messenger with Signal protocol is no arguably Signal Messenger, besides end-to-end encrypted messages, almost all metadata are also encrypted. whistleblowers, privacy advocates, journalists, and security technologists all recommend Signal as the most secure messenger.

The signal protocol and its implementation 'libsignal' are cryptographically secure compared to the alternatives mentioned in the authors blog post. The only problem I have is the client application.

Just like Telegram, phone number sign up in the default application is required which is still a gigantic turnoff, given that the phone numbers used for verification could be stored on a third-party SMS service, which is a shame for 'privacy'.