The Amsterdam market maker, Flow Traders, provides liquidity to its customers by providing traders bid and offer prices for Exchange Traded Products (ETPs). Flow Traders was founded in 2004 and has become one of the top ETP exchanges in Europe, pulling in over €250 million in revenue per year. Now the trading platform has announced it’s entering the cryptocurrency space by providing customers ethereum and bitcoin ETNs. According to Flow Trader’s Co-Chief Executive Officer Dennis Dijkstra, the company’s trade volumes have “dramatically increased.”