Law enforcement agencies in Switzerland and Germany have shut down Cryptomixer.io, one of Europe’s largest illicit Bitcoin-mixing operations. 

The takedown unfolded between Nov. 24 and 28 in Zurich, with Europol coordinating cross-border support.

Authorities seized three servers, the cryptomixer.io domain, more than EUR 25 million in bitcoin and over 12 terabytes of data. A seizure banner (see below) now replaces the site. Investigators say the disruption will fuel new leads tied to ransomware groups, dark-web marketplaces and cross-border money-laundering schemes.

Cryptomixer launched in 2016. It quickly became a go-to service for cybercriminals who needed to hide their…

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