The indictment stated the offenders operated BitClub Network from October 2014 till this month. Mr. Goettsche, Mr. Weeks and others got financial investments in the club’s Bitcoin mining swimming pools by offering incorrect and misleading figures that members were informed were “Bitcoin mining profits,” according to federal district attorneys.

In February 2015, for instance, Mr. Goettsche directed one of his conspirators to “bump up the daily mining incomes beginning today by 60 percent,” prompting that person to reply, “That is not sustainable, that is Ponzi” area and a “fast cash-out Ponzi … however sure,” according to the indictment.

In September 2017, Mr. Goettsche sent out an email to another conspirator calling for the BitClub Network to “drop mining earnings significantly now,” so that he might retire rich, according to the indictment.

The indictment stated Mr. Goettsche told Mr. Balaci in January 2015 that “we are developing this entire design on the backs of idiots.”

John M. Griffin, a professor of finance at the University of Texas at Austin, stated that, by assuring its financiers access to Bitcoin mining, the BitClub Network had actually performed a “timeless Ponzi scheme under the guise of brand-new, fancy innovation in the cryptocurrency world, which perhaps makes it much easier to take part in a Ponzi scheme.”

“Like any kind of brand-new innovation coming out, there’s typically a buzz about it, so that makes it an engaging case for fraud,” stated Dr. Griffin, who looks into illicit activity in the financial markets. “It makes the story more believable that you’ve got this money-printing maker.”

The club’s marketing products described the network as an almost guaranteed method to get rich, according to the indictment. In one video, a BitClub Network defendant assured club members that a financial investment of $3,599 could yield a return of $250,000 over three years, calling that a “extremely conservative” quote, the indictment stated.