Bitstamp, a U.K.-based cryptocurrency exchange that was founded in 2011, is Europe’s largest crypto exchange. It offers crypto-to-fiat and crypto-to-crypto exchange services, and supports euros, U.S. dollars, bitcoin, ether, litecoin, bitcoin cash, XRP and other assets. It is led by CEO Julian Sawyer, a co-founder and former CEO of Starling Bank, a U.K. digital bank.