Four years since its creation, Bitcoin has suddenly become one of the fastest-growing and most polarizing phenomena on the Internet. Two years ago, the value of an individual Bitcoin was less than $9 (U.S.). Today, a single Bitcoin trades for more than $160. Indeed, the currency has almost doubled in value over the last 30 days alone, as it begins to attract serious attention from currency analysts, major financial media and even U.S. lawmakers.
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