it was long ago of millions era were, currancy or symbolic exchanges were not existed.we saying about aryans, whos were having sattel method(sata paddhti )and all most they were not ussing currancy suppose.it was only eliment the crime which makes economy helpless to get down for creat currancys or symbols.if hear on earth is no crime then hear is no made necessity for currancy or symbolic exchanges not evan sattels!! but, one truth is also that, if we are crime less total and also dont have currancy then it will nevar call the socialem.(સોચલેમ) eusy transportations of the currancys are