William Green pleaded guilty to operating Destination Bitcoin, which authorities said is an unlicensed digital currency exchange, from August 2017 to February 2019 via a website and various referrals.
Arthur Hayes has reportedly surrendered himself to U.S. authorities in Hawaii, to face charges of failing to implement money laundering protections at BitMEX exchange.
Jegara Igbara, also known as Jay Mazini, is accused of inducing his victims to send him BTC but failed to pay them back, authorities said.
The U.S. Department of Justice has charged six people with operating an unregistered money transmitting business.
Roger Nils-Jones Karlsson is the founder of Eastern Metal Securities, a company that authorities said targeted no less than 3,577 investors.
Krstijan Krstic founded Start Options and Bitcoiin2Gen, or B2G, in 2017 and reportedly induced U.S. investors into the scam, authorities said.
The three suspects are reportedly are members of the Reconnaissance General Bureau, a military agency of North Korea that allegedly attack global financial giants and steal billions of dollars.
Antonije Stojilkovic is alleged to have been part of a crime ring that created several bogus investment platforms that lured investors with promises of huge profits.
Australian national Stefan He Qin, founder of Virgil Sigma Fund LP, has pleaded guilty to one count of securities fraud.
The U.S. Department of Justice filed charges of operating an unlicensed money transmitting business and money laundering against Hugo Sergio Mejia.
The consumer credit giant was set to acquire Plaid for $5.3 billion, but antitrust claims from the Department of Justice have brought the deal to an end.