The alleged ringleaders of OneCoin, the multi-billion dollar cryptocurrency-fuelled pyramid scheme, have finally been busted. On Friday, US authorities apprehended brother-and-sister duo Konstantin Ignatov and Ruja Ignatova at Los Angeles International Airport over their role in the international blockchain-based scam, reports Bloomberg. Ignatova, the founder of OneCoin, was charged with securities fraud, wire fraud, and money laundering, but as yet is not under arrest. Ignatov is alleged to have taken over OneCoin, and was arrested on a charge of conspiracy to commit wire fraud. A third suspect, Mark S. Scott (a former partner of a major US law firm Locke Lord), had already been…

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