https://medium.com/mine-labs/introducing-mediachain-a696f8fd2035#.1q9ubwh4d
Pinboard (griffey) 03/01/2016
http://www.infodocket.com/2016/03/09/video-jason-griffey-explains-blockchain-for-libraries-and-measure-the-future-during-metro-presentation/
Pinboard (griffey) 03/09/2016