1. Nakamoto, S.: Bitcoin: A Peer-to-Peer Electronic Cash System (2008)
2. Wallace, B.: The Rise and Fall of Bitcoin, Wired Magazine (November 23, 2011),
http://www.wired.com/magazine/2011/11/mf_bitcoin/all/
3. NPR Staff: Silk Road: Not Your Father’s Amazon.com (June 12, 2011),
http://www.npr.org/2011/06/12/137138008/silk-road-not-your-fathers-amazon-com
4. Brett, W.: Senators seek crackdown on “Bitcoin currency”, Reuters (June 8, 2011),
http://www.reuters.com/article/2011/06/08/us-financial-bitcoins-idUSTRE7573T320110608
5. Reid, F., Harrigan, M.: An Analysis of Anonymity in the Bitcoin System, arXiv:1107.4524v2 [physics.soc-ph] (May 7, 2012)