No, just requires a phone number. It's still under development, but if you're curious you can check out install instructions here: https://github.com/WhisperSys

No, just requires a phone number. It's still under development, but if you're curious you can check out install instructions here: https://github.com/WhisperSystems/TextSecure-Browser/blob/master/CONTRIBUTING.md https://github.com/WhisperSystems/TextSecure-Browser/blob/ma...