Transaction fees..... like everywhere else? There isn't a winner take all strategy in brokerage houses, its take enough to make a return, why would you apply a

Transaction fees..... like everywhere else? There isn't a winner take all strategy in brokerage houses, its take enough to make a return, why would you apply a different higher fictional standard to crypto exchangers? Also they provide various interest-like services and keep the difference between what they earn and what you earn.