Dr Ruja Ignatova called herself the Cryptoqueen. She told people she had invented a cryptocurrency to rival Bitcoin, and persuaded millions to join her financial revolution, investing billions. Then she disappeared. Why? Jamie Bartlett ...See moreDr Ruja Ignatova called herself the Cryptoqueen. She told people she had invented a cryptocurrency to rival Bitcoin, and persuaded millions to join her financial revolution, investing billions. Then she disappeared. Why? Jamie Bartlett spent months investigating how she did it for the Missing Cryptoqueen podcast, and trying to figure out where she's hiding. Written by
BBC
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