MasterCard is literally a piece of plastic. US Dollars are literally made out of paper.
Now give me a break. Your telling me that shit is better than an encoded algorithm? your CRAZY
Hahahaha...Very rightly said brother..It simply not possible for bitcoin to pack it up and that also for a mastercard. Master card is aware that bitcoin is the future currency and they find it threatning in terms of their profits their customers so they are getting involved in delivering this type of non sense rumors.