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US appeals time served sentences for HashFlare Ponzi schemers

US appeals time served sentences for HashFlare Ponzi schemers

CointimeCointime2025/08/27 16:05
By:Cointime

US prosecutors appealed the sentences of time served given to the co-founders of HashFlare, a crypto mining service and $577 million Ponzi scheme.

Prosecutors told a Seattle federal court on Tuesday that the government was appealing the sentences handed down earlier this month to Sergei Potapenko and Ivan Turõgin to the Ninth Circuit.

Potapenko and Turõgin were in custody for 16 months in their native Estonia after their arrest in October 2022 and were extradited to the US in May 2024, where they  pleaded guilty  to conspiracy to commit wire fraud.

The government had argued that the pair should get 10 years in prison, saying that the HashFlare scheme caused serious harm to victims and was the most significant fraud the court had ever tried. Potapenko and Turõgin  argued for time served .

On Aug. 12, Seattle Federal Court Judge Robert Lasnik  sentenced the pair to time served , a $25,000 fine and ordered them to complete 360 hours of community service while on supervised release, which is expected to be served in Estonia.

US appeals time served sentences for HashFlare Ponzi schemers image 0 Prosecutors appealed against the sentence of the co-founders of HashFlare. Source: PACER


Blockchain crime investigators and companies have flagged a lack of significant consequences and dropped enforcement actions against bad actors as key drivers for crypto crime, due to a perceived lack of consequences for criminal acts.

HashFlare founders say victims were repaid

Prosecutors said that between 2015 and 2019, HashFlare’s sales totaled over $577 million, and the co-founders posted fake dashboards that falsely reported the firm’s mining capacity and the returns investors were making.

Existing members  were paid out  with funds from newer customers, which the government said “proved to be a classic Ponzi scheme.”

Lawyers for Potapenko and Turõgin argued that despite overstating  HashFlare’s mining capacity , the company’s customers ultimately received crypto worth far more than their initial investments, primarily from the increase in crypto market prices since the scheme closed.

They also said victims would be paid in full from the more than $400 million worth of assets forfeited as part of Potapenko and Turõgin’s plea deal in February. However, prosectors  alleged that the data was fabricated , and these arguments were inaccurate.

Sleuths warn lack of consequences for bad actors 

Blockchain investigators ZachXBT and Taylor Monahan said in June that crypto court cases abandoned by US regulators and a  perceived lack of significant consequences  for bad actors operating scams were helping fuel crypto crime.

Experts told Cointelegraph last month that, in some cases,  regulators have swung from overreach  to underreaction, with early enforcement actions often being harsh. There has now been a swing the other way, where there is little accountability.

Crypto crime losses hit a new record in the first half of 2025, beating the previous record set in 2022 and nearly  equal to the total losses from all of 2024 .

Other Ponzi operators have been jailed

Former rugby player Shane Donovan Moore was sentenced to two-and-a-half years behind bars in July for  defrauding more than 40 investors out of $900,000  in a crypto mining Ponzi scheme.

Meanwhile, Dwayne Golden was convicted of wire fraud and money laundering and  sentenced to eight years in June  for his role in a $40 million crypto Ponzi scheme operated through three digital asset firms, EmpowerCoin, ECoinPlus and Jet-Coin. 

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Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.

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