http://bithackathon.com/get-started.html<p>$18,000 in bitcoin prizes. Submissions will be accepted up until 03/16/2014 by 11:59 pm PST. Prizes will be awarded for 1st, 2nd, and 3rd place based on creativity, usability, and execution. Winners will be featured on the Coinbase blog (135k subscribers). What bitcoin idea have you been waiting to ship?