Mainframe ICO

Mainframe is a secure messaging protocol that can be used by anyone.  They're building an app on top of the protocol called Onyx.

I'm monitoring this project with a view to investing.

Website: https://mainframe.com/
Whitepaper: https://mainframe.docsend.com/view/j39qpui
Telegram: https://t.me/MainframeCommunity
Github: https://github.com/MainframeHQ