Now lets calculate :-) If only 0,5 BTC will be bought at each terminal every day 1 BTC is at the moment 237 $ 0,5BTC = 118 $ 800 Terminals =118*800 = 94400$ 4% Fee for cointrader = 3776 $ per Day That will be a monthly Fee for Cointrader of about 113280$ Future looks great :-)