Earlier quoted context omitted.
So, you're basically an exchange, right? Are you operating in the US, and if so, do you have the appropriate MSB license? It seems like the US government is starting to crack down on Bitcoin exchanges that operate without a license, so what are you doing to assure your customers that you're not just going to get shut down?
He is not an exchange, but a bank.
Market maker is a better definition: https://en.wikipedia.org/wiki/Market_maker