European law enforcement targets major crypto mixer in $1.4 billion laundering takedown
Authorities in Europe have taken down a major crypto mixer in a cross-border action that investigators say strikes at a long-running laundering hub.
Germany and Switzerland dismantle Cryptomixer infrastructure
European law enforcement has dismantled Cryptomixer, a cryptocurrency mixing service that laundered over $1.4 billion (€1.3 billion) in Bitcoin since 2016, in a coordinated operation centered in Zurich. During the takedown, authorities seized more than $27 million (€25 million) in BTC and collected 12 terabytes of data linked to the platform’s activity.
Police from Germany and Switzerland, backed by Europol and Eurojust, executed search and seizure orders targeting the service’s infrastructure in Switzerland. Moreover, officers confiscated three servers and took control of the cryptomixer.io domain, replacing the website with a seizure banner following the shutdown of operations on both the clear web and the dark web.
How the crypto mixer operated and who used it
Crypto mixers work by pooling and shuffling incoming digital asset transactions, then sending users different coins that cannot easily be linked to the original source. In practice, this breaks the on-chain trail and hinders forensic tracing techniques that investigators apply to public blockchains such as Bitcoin.
According to investigators, Cryptomixer handled proceeds from drug trafficking, weapons trafficking, ransomware attacks, and payment-card fraud. However, by blocking traceability on the blockchain, the platform became a preferred tool for criminal organizations that needed to obscure the source of large volumes of illicit crypto funds.
The $1.4 billion total processed through the platform points to a major laundering hub that had been running for nearly a decade. That said, cybercrime analysts argue this volume also reflects a stable technical infrastructure, heavy automation, and a trusted reputation on underground forums, all of which helped the operator attract repeat business from high-value clients.
Short-term disruption, long-term adaptation for cybercriminals
Experts in cybercrime say the takedown will immediately disrupt criminals that relied on the crypto mixer for day-to-day laundering. In the coming days, some users are expected to face stuck or delayed funds as transactions already in progress remain unresolved or are seized as evidence by authorities.
However, analysts believe this disruption will be temporary for most high-volume criminal groups. Many are expected to migrate rapidly to alternative mixers, cross-chain bridges, or high-risk exchanges that still accept poorly vetted crypto flows. Moreover, darknet forums are likely to spotlight replacement services and share updated laundering playbooks within weeks.
Europol coordination and links to earlier mixer takedowns
Europol coordinated the latest operation through its Joint Cybercrime Action Taskforce (J-CAT) in The Hague, which brought together cyber investigators from several member states. During the action week, the agency supplied on-the-spot digital forensic expertise and helped facilitate rapid information exchange between national teams in Germany, Switzerland, and other participating countries.
The agency has built experience in targeting mixing services. In March 2023, Europol supported the dismantling of ChipMixer, then considered one of the world’s largest Bitcoin mixing platforms. That case, like the Cryptomixer takedown, involved server seizures, domain control, and large-scale digital evidence collection coordinated across jurisdictions.
Part of a broader European crypto crime crackdown
The shutdown of Cryptomixer fits into a wider European push against crypto-enabled crime that has intensified over the past two years. Earlier this month, police in Cyprus, Spain, and Germany, again working with Eurojust, arrested nine suspects allegedly tied to a crypto money laundering network that defrauded victims of $689 million (€600 million).
Moreover, just last month, Europol seized $330,000 in cryptocurrencies and arrested seven individuals as part of a takedown of a cybercrime-as-a-service network operating from Latvia. The network allegedly provided infrastructure and tools that allowed other criminals to carry out online attacks and move illegal proceeds through digital assets.
Europol warns on increasingly sophisticated misuse of crypto
The head of Europol’s European Financial and Economic Crime Centre (EFECC) has warned that the misuse of cryptocurrencies and blockchain technology for illicit purposes is becoming more advanced. As a result, the agency is committing additional resources to support member states in complex and international investigations that target crypto infrastructure.
That said, investigators acknowledge that as enforcement pressure rises, criminal groups will keep innovating, turning to new mixers, privacy tools, and cross-chain techniques to evade tracking. The Cryptomixer takedown highlights both the growing capacity of European authorities to disrupt large-scale laundering services and the ongoing challenge of keeping pace with rapidly evolving crypto crime.
Overall, the joint German-Swiss operation marks a significant step in Europe’s digital asset enforcement strategy, removing a nine-year-old laundering hub while signaling that cross-border cooperation will remain central to future actions against crypto-enabled crime.
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