Law enforcement agencies across Europe have successfully dismantled an illicit cryptocurrency mixing service known for facilitating cybercrime and money laundering activities. The operation focused on the service named ‘Cryptomixer’ and took place from November 24 to 28, as reported by Europol, which collaborated with Swiss and German authorities during this significant crackdown.
The authorities seized three servers located in Switzerland, along with an impressive trove of data totaling 12 terabytes. In addition, they confiscated €25 million worth of Bitcoin and took control of the domain cryptomixer.io. Following the operation, a seizure notice was prominently displayed on the service’s website.
Europol explained the role of mixing services like Cryptomixer, stating, “These platforms provide anonymity to users and are frequently utilized by criminals as a precursor to laundering their assets through cryptocurrency exchanges.” This process enables laundered cryptocurrency to be converted into other cryptocurrencies or even exchanged for fiat currency via cash machines or bank accounts.
Understanding Cryptocurrency Mixing Services
Europol characterized Cryptomixer as “a tool designed to obscure the origin of illicit funds.” They explained that the service operated in both the clear web and the dark web, making it widely accessible. It had become a critical resource for ransomware groups, underground economies, and dark web markets by efficiently hiding the traceability of funds on the blockchain. This made it a popular choice for cybercriminals aiming to launder money derived from various illegal activities, such as drug trafficking, arms dealing, ransomware operations, and payment card fraud.
Since its inception in 2016, Cryptomixer has reportedly processed over €1.3 billion in Bitcoin through its mixing functionalities. Users deposited their funds, which were pooled for a prolonged and randomized duration before being redistributed to their intended addresses. Given that many digital currencies maintain a public ledger of transactions, mixing services complicate the tracing process, thereby cloaking the origins of the cryptocurrency involved.
Context Within Global Crackdowns on Money Laundering
This recent operation aligns with ongoing global efforts to combat the misuse of cryptocurrency for illegal purposes. Earlier in 2023, Europol also played a crucial role in the coordinated takedown of another major mixing service called “ChipMixer.” This operation involved collaboration from four European nations and the United States.
ChipMixer was identified as the largest service of its kind at the time, suspected of laundering around 152,000 Bitcoins, which equated to approximately €2.73 billion at that point. Both the Cryptomixer and ChipMixer operations are part of EMPACT, the European Multidisciplinary Platform Against Criminal Threats, which seeks to address serious organized and international crime challenges faced by the European Union.


