I actually wrote a prototype to manage that:

http://lettergram.github.io/AnyCrypt/

The problem is we need to stop worrying about end-to-end encrypted <insert name here>. We need something that blocks javascript, and encrypts our messages before they even enter the pipeline (there will still be meta data though).

The extension I built was a POC just showing how it could be done easily with Keybase.

You have a "Portfolio" link in the sidebar that doesn't seem to be for anything, and a broken #contact anchor.