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Key Findings: The U.S. government has seized over $400 million in assets linked to the notorious darknet cryptocurrency mixer Helix. The assets include cryptocurrencies, real estate, and other monetary holdings previously owned by Helix's Ohio-based operator, Larry Dean Harmon. Helix processed an estimated 354,468 bitcoins, worth around $311 million at the time, through over 1.2 million transactions between 2014 and 2017. The service was popular among darknet drug dealers and

Key Findings Authorities seized the Cryptomixer cryptocurrency mixing service, seizing $28 million in Bitcoin and disrupting a platform used by cybercriminals to launder over $1.5 billion since 2016. The operation, part of "Operation Olympia," involved coordinated efforts by Europol, Eurojust, and law enforcement agencies from Germany and Switzerland. Cryptomixer, accessible on the clear and dark web, used pooling and randomized withdrawal methods to obscure the origins of fu