The hardest money is a natural schelling point. That’s why people flocked to gold over time. It was the best, hardest money. The reason people use the dollar now is bc people want to use their money as collateral easily. That’s very hard to do with gold. Very easy to do with US treasuries and dollars. Btc is harder than gold and super easy to transact and use as collateral. It will be the base money for the world