USD still popular over high popular is compare bitcoin
you wrong is compare, maybe compare dollar paypal , dollar perfectmoney dollar okpay is right placed compare
is comare USD not equal, USD real curency in the world , bitcoin digital curency
I have no idea what you are trying to say but for me I think USD is still better currency in compare to bitcoin as it can be used anywhere to buy anything.
of course if the dollar compared with bitcoin. of course the dollar will always win. you could see that the dollar has a history and historical is already very long. and because the dollar is the currency of a country and in use by over 200 million people. certainly in comparison with bitcoin. the dollar will win