Probit Exchange (www.probit.com) describes itself as a global coin-to-coin cryptocurrency exchange. ProBit Exchange only lists what it deems to be 'qualified and deserving' cryptocurrency projects. ProBit Exchange reportedly has an order matching speed of over 1.5 million orders per second and a customizable user interface. In addition, ProBit Exchange claims to provide users with the option of a hardware security key in addition to 2 Factor Authentication.