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Karl Sebastian Greenwood
Co-founder and lead promoter of OneCoin. Pleaded guilty and was sentenced in 2023 to 20 years in prison and ordered to forfeit $300 million.
Bio
Karl Sebastian Greenwood co-founded OneCoin with Ruja Ignatova and served as its top distributor. The U.S. DOJ described OneCoin as "one of the largest fraud schemes ever perpetrated". [1][2]
Legal outcome
Greenwood pleaded guilty and was sentenced in 2023 to 20 years in prison and ordered to forfeit $300 million. [1][2]
Bracketed numbers refer to the numbered sources listed below.
Linked scams & cases
Sources (2)
See also
- Blockchain Terminal (BCT)TokensA 2017–2018 ICO (BCT tokens, ~$30M) for a 'Blockchain Terminal' — a Bloomberg-style crypto trading terminal. The SEC and DOJ said convicted ex-hedge-funder Boaz Manor secretly ran it under a fake identity ('Shaun MacDonald'), using associate Edith Pardo as a front, and lied about the product's adoption.
- Dropil (DROP)TokensAn ICO for the DROP token built around a fake 'Dex' trading bot. The SEC said it raised ~$1.9M while claiming $54M from 34,000 investors, and that the founders falsified evidence during the probe. Founders Jeremy McAlpine and Zachary Matar pleaded guilty to securities fraud (36 and 30 months).
- CluCoin (CLU)Tokens
This page was last updated on Jun 8, 2026. View revision history.