The bill also calls for the U.S. Federal Reserve to be vested with the clear authority to issue a digital dollar.
It seems that approximately the same restrictions will be adopted in the near future by other states. Most likely, each state will prohibit the use of their national currency as collateral for stablecoins to any third parties. In such a case, all private and commercial stablecoins will be outlawed. It will be possible to use gold and precious stones as collateral, even cryptocurrency. But not the national money of states.
The Chinese government has already drafted a law in which even its digitized yuan was declared its exclusive property and prohibited anyone from using it to provide other stablecoins.