1 Kayne, R. “What Is BitTorrent?” wiseGEEK, December 25, 2014. http://www.wisegeek.com/what-is-bittorrent.htm#didyouknowout.
2 Beal, V. “Public-key encryption.” Webopedia. http://www.webopedia.com/TERM/P/public_key_cryptography.html.
3 Hof, R. “Seven Months After FDA Slapdown, 23andMe Returns with New Health Report Submission.” Forbes, June 20, 2014. http://www.forbes.com/sites/roberthof/2014/06/20/seven-months-after-fda-slapdown-23andme-returns-with-new-health-report-submission/.
4 Knight, H. and B. Evangelista. “S.F., L.A. Threaten Uber, Lyft, Sidecar with Legal Action.” SFGATE, September 25, 2041. http://m.sfgate.com/bayarea/article/S-F-L-A-threaten-Uber-Lyft-Sidecar-with-5781328.php.
5 Although it is not strictly impossible for two files to have the same hash, the number of 64-character hashes is vastly greater than the number of files that humanity can foreseeably create. This is similar to the cryptographic standard that even though a scheme could be cracked, the calculation would take longer than the history of the universe.
6 Nakamoto, S. “Bitcoin v0.1 Released.” The Mail Archive, January 9, 2009. http://firstname.lastname@example.org/msg10142.html.
7 ———. “Bitcoin: A Peer-to-Peer Electronic Cash System.” (publishing data unavailable) https://bitcoin.org/bitcoin.pdf.
8 Extended from: Sigal, M. “You Say You Want a Revolution? It’s Called Post-PC Computing.” Radar (O’Reilly), October 24, 2011. http://radar.oreilly.com/2011/10/post-pc-revolution.html ...