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46.In December 2013, officials in this European nation arrested two men on suspicions that they had generated counterfeit Bitcoin worth nearly $1 million.
47.Which of the following online marketplaces for illicit goods and services recently shut down after thieves stole more than 5,000BTC from the website?
49.Several highly respected figures, ranging from Alan Greenspan to Chinese officials, have issued warnings about Bitcoin, citing which of the following risks?