Zimbabwe has already released their new currency backed by gold. Zimbabweans have 21 days to exchange old, inflation-hit notes for the new currency. Remember the Galactics said that the "last will be first and the first will be last." Now, we are starting to see what they mean by this, the 3rd world countries will see changes in their economy first with this new currency change.
https://www.bbc.com/news/world-africa-68736155