I think this can only end if there is a world war because we all know that paper currency is very difficult for us to get rid of from life, because something we can say is that only money is not only to be used as a transaction tool but can also be used as a tool to buy an asset. and for the record there will be fiat currency or no bitcoin
Yes, there may be many black swan incidents in the future, which may lead to the re-establishment of world order. World war is only one possibility. The current global pandemic of the new crown epidemic is also a possibility. There is also the global economic crisis and financial crisis that may occur in the future. All these may lead to the collapse of the existing monetary system and the establishment of a new world monetary system. This is the future of Bitcoin.