'Cryptoqueen' Sidekick Gets 20 Years For $4 Billion Ponzi

The cofounder and main promoter of the $4 billion OneCoin pyramid scheme was sentenced to 20 years in prison for his role in one of the first and biggest criminal frauds involving cryptocurrency. Bloomberg: Karl Sebastian Greenwood, 46, was sentenced in New York Tuesday, after pleading guilty in December to creating and promoting a phony cryptocurrency. Greenwood was the wingman of Ruja Ignatova, the so-called "Cryptoqueen" and most wanted crypto fugitive in the world. US District Judge Edgardo