Irina Dilkinska, the legal and compliance chief of the OneCoin cryptocurrency fraud, has been sentenced to four years in prison for her role in the $4 billion fraud, becoming the latest person to go to jail for the case, Bloomberg reported. Dilkinska was extradited to the United States from her native Bulgaria last year. According to prosecutors, from 2014 to 2019, she helped Mark Scott, a lawyer in the United States, launder the proceeds of OneCoin. OneCoin is accused of being a massive international Ponzi scheme that paid commissions to affiliates around the world to recruit others to buy OneCoin packages. According to the government, the so-called "crypto queen" Ruja Ignatova, who allegedly masterminded the fraud, disappeared in 2017 when her organization came under suspicion, and she is now on the FBI's wanted list.