CONIKS – Bringing Key Transparency to End Users (2014) [pdf]
eprint.iacr.org
eprint.iacr.org
The talk's abstract: http://ee380.stanford.edu/Abstracts/161130.html
A video: http://ee380.stanford.edu/Abstracts/161130-video.html
One thing I didn't understand, is that CONIKS is not something where clients can insert keys in an unrestricted manner: There is a gatekeeper (run by the service provider), who does some sort of testing/control before inserting a new key.
EDIT: I think it opens up as a pop up to here: https://www.youtube.com/watch?v=Ca0BHUNoTF0&feature=youtu.be
EDIT2: CONIKS starts at around 40 minutes https://youtu.be/Ca0BHUNoTF0?t=2379
[1] https://security.googleblog.com/2017/01/security-through-tra...
Kind of like, how relevant is NTS now that Roughtime is out?