The wired guide to bitcoin Bitcoin is a digital currency. Like other currencies, you can use it to buy things from merchants that accept it, such as Overstock.com, or, as is more often the case, hold on to it in hopes that it will increase in value. Unlike traditional currencies, which rely on governments and central banks, no single entity controls bitcoin. Rather, it is supervised by a worldwide network of volunteers who maintain computers running specialized software. As long as people run bitcoin software, the currenc…
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