Coinbase CEO Brian Armstrong has announced that the exchange has made a total of $2 billion in transaction fees in the past 7 years. This is several times more than all the funding it received. Centralized exchanges are indeed a profitable business! However, Armstrong also noted that the firm is reinvesting almost all of its profits into developing new products. Remember that Coinbase is one of 10 major exchanges integrated into the OneExBit trading terminal a versatile platform where you can switch between your accounts instantly.