A screenshot of the warning screen from a purported ransomware attack on a laptop in Beijing. Mark Schiefelbein/AP hide caption

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Mark Schiefelbein/AP

From Kill Switch To Bitcoin, 'WannaCry' Showing Signs Of Amateur Flaws

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Some workers in low-income countries are choosing bitcoin, a virtual currency powered by blockchain technology, to send money to their families. It's cheaper, faster and doesn't require a middleman. Andrew Baker/Getty Images/Ikon Images hide caption

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Andrew Baker/Getty Images/Ikon Images

Entrepreneur Craig Wright says he is the creator of the bitcoin crypto-currency. In this 2014 file photo, a man arrives for the Inside Bitcoins conference and trade show in New York. Mark Lennihan/AP hide caption

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Mark Lennihan/AP

For Sex Industry, Bitcoin Steps In Where Credit Cards Fear To Tread

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Newsweek's cover story reveals a man named Satoshi Nakamoto, who matches many characteristics of the elusive founder of Bitcoin but never explicitly admits to it. Via Newsweek hide caption

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Via Newsweek