I'm answering - I didn't hear about Hackathon or it's winner before this conversation.
Well, I'll caution you and say that aside from them
maidsafe is doing more or less the same thing, has millions of dollars in backing, and has had a working system for years, just no way to monetize it until recently. They're launching a monetized system in April.
see also this block entry
http://blog.maidsafe.net/2014/02/18/token-on-maidsafe-network/