Danish law enforcement have arrested drug traffickers after an investigation that included surveilling the blockchain, according to the regional publication Berlingske. The Danish police’s cyber crime unit NC3 claim they have made arrests based on criminal activity tracked via bitcoin transactions. The chief of the Danish cyber crime unit, Kim Aarenstrup, has revealed authorities in the region created a tracking system that analyzes bitcoin transactions. Aarenstrup details the tool has helped police with two narcotics convictions. One arrest took place in January when Danish police arrested a young man for purchasing ketamine, cocaine, and amphetamines on darknet marketplaces. (DNM)
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