You will be contacted shortly regarding your prize. :)
In the interest of transparency, here's how the winner was chosen:
I gave each person a number according to the order in which they achieved blackout, so that would be:
I then went to random.org and plugged those numbers into the generator, and was given this result:
Thank you again to everyone who played in 2017, and we look forward to another fun, successful game in 2018!