Visa, MC, et el will simply cut them off. That&#x27;s how Congress killed online gambling previously.<p>It looks like there&#x27;s enough evidence to do so:<p>“As you are aware, an increasing number of state attorneys general have determined that daily fantasy sports (‘D.F.S.’) constitute illegal gambling,” Jonathan Ellman of Vantiv.com wrote in a letter obtained by The New York Times. “Although in recent weeks D.F.S. operators have raised numerous arguments to the contrary, to date those arguments have been unsuccessful and&#x2F;or rejected.”