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