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.
Jimmy Gale Watson Jr. faces a seven-count indictment including conspiracy to commit securities fraud and substantive wire fraud.
The U.S. Department of Justice has charged six people with operating an unregistered money transmitting business.
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.
The U.S. Justice Department has charged a 19-year-old who allegedly masterminded the stealing of digital currencies through SIM swapping.
Prosecutors said the five defendants engaged in computer intrusions that affected several companies in the United States and beyond.
The U.S. Department of Justice (DoJ) charged Douglas Jae Woo Kim with wire fraud at a New York federal court.