175 countries, four billion dollars, one scam: the thrilling rise and fall of the biggest cryptocurrency con in history and the woman behind it all In 2016, on

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In 2014, a brilliant Oxford graduate called Dr Ruja Ignatova vowed to revolutionise money. The self-styled Cryptoqueen launched OneCoin, a bold new cryptocurren

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From the bestselling author of The Dark Net comes a book that explains all the dangers of the digital revolution and offers concrete solutions on how we can pro