Bitcoin mining 2013
Bitcoin Demystified: Math vs. Government | HuffPost
Dec 22, 2014 For all the volatility in bitcoin pricing, 2014 may be looked back on as a year when bitcoin began to move past the proof-of-concept stage and toward a mainstream market. Some 6.6 million bitcoin wallets have been set up so far this year, according to Coindesk, a fivefold increase over 2013.
Financial Cryptography and Data Security: 18th International - Google Books Result
2013 to 2017: Comparing Bitcoin's Biggest Price Rallies - CoinDesk