Diginex, a multinational crypto-asset investment services and distributed ledger technology company headquartered in Hong Kong, sold a stake in High Performance Computing unit to Madison Group Holdings, the retailer of alcoholic beverages with investments in blockchain companies, for $60m. The $60m investment by Madison allows Diginex to fast track the expansion of their GPU mining operations in Western Europe in partnership with leading hardware suppliers, power and security providers in order to build one of the world’s most secure and efficient GPU-based cryptocurrency mining and HPC data centres.