Binance.com has grown into one of the largest crypto exchanges in the world. With fast execution and deep liquidity, you can't go wrong trading on Binance. Quarkchain is offered in both bitcoin and ethereum trading pairs. This exchange has one of the largest altcoin offerings in the world an is run by Changpeng Zhao
Bitrue.com is one of the newer exchanges in the crypto space. The focus of the platform is security, speed, and simplicity. The main trading pair for Quark on this exchange is XRP or Ripple. It also offers Bitcoin & Ethereum trading pairs as well. Based in Singapore, it also has offices in Taiwan, Japan, Canada, and the USA.