Zipmex, a troubled cryptocurrency exchange Cryptocurrency Exchange A cryptocurrency exchange is an online platform that supports the exchange of various currencies for a cryptocurrency or digital asset.Comparable to a generalized financial exchange, a crypto exchange’s core function is to permit and encourage the buying and selling of cryptos.This is accomplished by producing a stable trading environment suitable for traders nested through different locations around the world. Sometimes a crypto exchange may be referred to as a digital currency exchange (DCE) for short.How Does Trading Take Place on a Crypto Exchange?Cryptocurrency trading occurs over a centralized exchange, although these crypto exchanges should be used with caution given the implications that surround the custody of new assets.