Keybase.io - Tim Bray
www.tbray.org/ongoing/When/201x/2014/03/19/Keybase
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Ive been fooling around with this for the last couple of days; you can find me at keybase.io/timbray. I think it might be pointing a useful way forward on private-by-default communication and, for what it does, it gets a lot of things right.