The Dollar has been called the "Cleanest Dirty Shirt in the Laundry" with respect to other Currencies but the BRICS nations are adding countries and gaining strength in their quest to displace the Dollar and replace it with a currency that they can use to trade between themselves. The weaponizaton of the SWIFT system by the US during the Ukraine war may be the straw that breaks the camel's back. Most countries don't like the fact that the Dollar has been weaponized and that they can be cut off from World Trade if they dispease the US Govt. The attached Video expains the history of the Dollar's rise to world hegemony and it's recent fall from grace.
Link: https://www.youtube.com/results?search_query=why+are+central+banks+around+the+world+hoarding+gold