It's been 5000 years - give or take - we didn't stop trading gold .. are you talking k nger horizon ? Good news .. gold is still the hottest cake in bakery ..it is not going anywhere for next 5 k .. miners are safe .. in fact they become rich if it is gold ..

Cuz if it becomes currency then next thing you would want to do is to peg it to daily price milk .. and eggs :-) .. well eggs is not a good example... anyways