What will replace it as the reserve currency? The other options are not particularly strong. In fact, the COVID situation has only made the dollar stronger (as a reserve currency).
https://www.cnbc.com/2020/04/29/why-the-us-dollar-is-still-c...
https://www.cnbc.com/2020/04/29/why-the-us-dollar-is-still-c...
China is the obvious answer, but I have this feeling that some sort of synthetic currency (not bitcoin) will be created to fill the void.