If the dollar wins, gold is fine (gold is still a scarce commodity whose price will have something to do with how much it costs to find, extract, refine and fabricate gold objects)
If Bitcoin wins, gold is fine (gold is still a scarce commodity whose price will have something to do with how much it costs to find, extract, refine and fabricate gold objects)
If gold wins, gold is fine (gold is still a scarce commodity...)
But if gold wins, bitcoin will not be fine and the US dollar will not be fine. This is an asymmetric game.