InfoQ has posted the recording of the Practical Cryptography & Blockchain Panel at QCon London 2017. The panelists (from left to right) were Elaine Ou, me (Jeremy Rand), David Vorick, Paul Sztorc, and Peter Todd. Riccardo Spagni (on the right) moderated the panel.

The videos on the InfoQ website do not appear to work when Javascript is disabled. Security-conscious users who prefer not to enable Javascript can view the video via youtube-dl (Debian package) (recommendation by Whonix).