http://keybas3nmhbh3bhasixeb7a2t55in7gdp4hhm5oesmfcsvql6nrkekid.onion/blog/keybase-chat
When you're done, you can install Keybase . February 8, 2017 Introducing Keybase Chat FRIENDS! Today we're launching an end-to-end encrypted chat built into Keybase ( downloadable here ; source code here ). It's easier to use than other crypto apps.