Mark Scott, a former lawyer, had his conviction upheld for his role in a $400 million cryptocurrency scam linked to OneCoin. Prosecutors proved he laundered money for OneCoin’s fraudulent scheme, which defrauded investors worldwide. Scott, who previously worked at a major law firm, set up shell companies and offshore accounts to conceal illicit funds. His defense argued errors in the trial, but the court rejected appeals, affirming his 2019 conviction. OneCoin’s founder, Ruja Ignatova, remains a fugitive. The ruling reinforces legal actions against crypto-related fraud, highlighting regulatory scrutiny over illicit financial activities in the digital asset space.