@andrarchy gave a presentation on Steem at the summit that may have helped attract new users & developers. https://steemit.com/blakestorie/@blakestorie/my-first-steemit-post-blake-storie
I’m not reading much more into it than that. I’m sure Ned and Justin connecting on a Twitter could have led to the invite. There are synergies popping up elsewhere too. The Fundition team seems to be embracing Tron transactions while not abandoning Steem.