A cryptocurrency-fuelled black market is one of the largest crypto services in Eastern Europe, according to a year-long study by blockchain analysis firm Chainalysis. Its report found that darknet market Hydra is the sixth-largest crypto service by volume in the region, which comprises Russia, Ukraine among other countries. Chainalysis also found that Eastern Europe is the world’s hub for darknet market activity, with 21% of the world’s darknet market activity winding up in the region. The region sends a total of $41 billion to illegal entities, or 1.4% of its total transaction volume.