Polish prosecutors have charged a fifth suspect in the Zondacrypto case, adding Roman Ż. to a widening investigation into alleged fraud and money laundering linked to the exchange and seeking his pre-trial detention.

According to the prosecutor’s office, Roman Ż. faces two charges: participation in an organized crime group and misappropriation of client funds. Prosecutors tied the latter allegation to 7.8 million zlotys. The office said he was detained on September 5 in the Silesia region as he was preparing to travel to China.

The defense said the trip was for business and that he had already bought a return ticket for September 13. Prosecutors nevertheless requested pre-trial detention, citing the possible maximum sentence of 10 years, the risk of obstructing the investigation, and flight concerns. During the search, authorities said they seized luxury watches and documents related to the exchange.

The case is part of a broader investigation opened on April 17 over allegations of fraud and money laundering. Prosecutors estimate total losses at no less than 350 million zlotys. They also said that, as of mid-2026, more than 3,600 complaints had been filed in connection with the matter.

Four defendants had already been publicly charged before the latest action. Prosecutors added that they have frozen more than 100 million zlotys and around 4 million euros as the case proceeds. The available information does not specify when the alleged misconduct occurred, how it relates to the exchange’s current operations, or when any trial proceedings may begin.

Why It Matters

This case is significant because it goes beyond a single arrest and points to a larger enforcement action around client-fund handling at a crypto platform. For users and counterparties, that raises practical questions about segregation of funds, internal controls, and how quickly legal systems can preserve assets once complaints accumulate.

It also adds to the compliance pressure on centralized exchanges operating in Europe. Even when a case is country-specific, allegations involving fraud, money laundering, and misuse of customer assets can influence how regulators, banking partners, and users assess operational risk across the sector.