If the US Dollar were to collapse, what would you guess would be the next form of currency?

Gold bullion, bitcoin, Nuka Cola bottle caps, etc.

Fallout fictional currency
Fallout fictional currency
Gold (Your purses will be MUCH heavier, ladies)
Bitcoin (or some Central Bank Digital Currency)
Nuka Cola Caps (Or some Elon Musk absurdist thing)
BRICs currency (China is the big player here)
Back to the barter system (Hope you have chickens)
Other (Invent a new thing as a store of value)
Select gender and age to cast your vote:
If the US Dollar were to collapse, what would you guess would be the next form of currency?
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