It's a replacement of the bretton woods agreement following world war 2 which made the US dollar the reserve currency.
This has given and continues to give the United States special priveleges from a global financial perspective.
However, the gravy train is coming to an end, and the central planners (commies) at the UN and IMF etc hope to replace it with their SDRs (removing us treasuries).
There are many many downstream effects to this and none of it good.
It ultimately means loss of freedom both economically and personally.
Watch some George Gammon on youtube. He covers this topic in a fantastic way on his channel.
Facts don't matter! Put your mask on and get in line if you know what's good for you!