https://www.reuters.com/article/us-bitcoin-exchange-bitstamp/european-investment-firm-buys-digital-exchange-bitstamp-in-all-cash-deal-idUSKCN1N314I >NXMH, a Belgium-based investment company, has acquired digital currency exchange Bitstamp in an all cash deal, the exchange's chief executive officer Nejc Kodrič said on Monday.