Well I don’t think there will be another single currency as strong as the USD What we will see is probably a mix of currency trades all pegged to commodities not just pure paper money

. This could mean that currencies may be tied to the value of gold, oil, or other commodities, rather than being backed by the economic strength of a country. This could lead to a more stable global financial system, as the value of these commodities tends to be less volatile than traditional currencies. However, it remains to be seen how such a system would work in practice and what the implications would be for international trade and economic growth.