If you think someone's leaving money on the table with high fees you should start your own exchange. Of course before you even got off the ground you'd have to register as a MSB, draft a very extensive compliance plan given the "high risk" nature of your industry, find a banking partner who will even consider accepting you and hopefully won't kick you out after you get too big (you may have to buy a credit union if this step doesn't work out), get a money transmitter license in every state except Montana (which by the way all require a substantial bond, application fees, and delays), find former regulators who are now $1500/hr lawyers who still have some influence at NY DFS in order to get approved in New York, get approved for ACH, spend at least $50k a month on Chainlysis and OFAC screening software in order to placate regulators, and of course you actually have to write the exchange backend too. If you want to offer leverage (you will in order to be competitive with other exchanges) you need to have a pretty sophisticated risk management system because liquidations in crypto don't work like they do anywhere else. And you have to pay a browser fingerprinting vendor $20k/mo too because your halfwit customers will get phished and cause you bad publicity if you don't stop it. You'll also need Onfido or some other identity verification company in order to satisfy 31 CFR ยง 1020.220. But yes, once it's all set up it's a practically license to print money.
