The USD will be fine for many years to come if You get rid of the Obiden-clans.... with SOFR there is the next step made to independency from failing European institutions.
Long term impact to the BRICS:
  1. capital movements to a strong USA and attractive conditions for partnering with this reborn hub of liberty.
  2. India as the typical ''swing state'' of the region could partner with the US to oppose China one day.
  3. Currency units are instable and always fail