Bitcoin News

Story: Cinkciarz.pl CEO Marcin Pióro Caught in U.S. as 492 Bitcoin Stash Draws Scrutiny

By Dan Saada

1 / 15

185 Million Zloty and 5,000 Clients Left Holding Nothing. The numbers keep getting worse. Customer losses tied to Cinkciarz.

2 / 15

492 Bitcoins and a Combative Defense. One of the stranger threads in the investigation is the cryptocurrency angle.

3 / 15

Extradition Fight Could Drag On. Getting Pióro back to Poland isn't automatic. His legal team can contest the extradition request,…

4 / 15

Marcin Pióro is in custody. The CEO of Polish fintech Cinkciarz.pl was detained in the United States, ending what had become a lengthy international manhunt tied to one of…

5 / 15

Polish prosecutors confirmed the arrest publicly, and the Regional Prosecutor's Office in Poznań put its name to the announcement. The U.S.

6 / 15

The numbers keep getting worse. Customer losses tied to Cinkciarz.pl's failure have now crossed 185 million zloty — up sharply from an earlier estimate of 112 million zloty.

7 / 15

The trouble started becoming visible in October 2024, when Poland's Financial Supervision Authority revoked the payment services license of Conotoxia — a subsidiary tied to…

8 / 15

Cinkciarz.pl wasn't some fly-by-night operation. Founded in 2006, it built a real reputation as a prominent online currency exchange across Central Europe.

9 / 15

One of the stranger threads in the investigation is the cryptocurrency angle. Polish investigators allege that Pióro held approximately 492 bitcoins — a significant stash that…

10 / 15

Pióro didn't go quietly before his arrest. He maintained his innocence throughout and publicly pushed back against Polish prosecutors, pursuing legal actions against banks and…

11 / 15

Related: SEC Freezes Prediction Market ETF Reviews as Bitwise, Roundhill, GraniteShares Wait

12 / 15

If convicted on the fraud and money laundering charges, Pióro faces up to 25 years in prison.

13 / 15

He's not the only one in legal trouble. Former board member Robert Górny was detained in early 2025. Chief accountant Monika J. faced arrest mid-year.

14 / 15

Getting Pióro back to Poland isn't automatic. His legal team can contest the extradition request, and in international cases like this, that kind of challenge is pretty common.

15 / 15

Meanwhile, the broader fallout from the bankruptcy grinds on. Thousands of creditors are navigating a legal process that's slow by nature.

The Currency Analytics

Want the full story?