“A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution.” This is the opening sentence of the abstract of Satoshi Nakamoto’s white paper titled Bitcoin: A Peer-to-Peer Electronic Cash System. With this, the first cryptocurrency, bitcoin, came into existence in 2008.
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http://www.nasdaq.com/article/2015-a-blockbuster-year-for-bitcoins-blockchain-technology-cm559938#ixzz3vqyYnHQl