OK I had to check up on that, but you are right:
https://blog.uwsp.edu/cps/2024/09/12/the-project-2025-monetary-policy-gold-standard-and-federal-reserve/

Returning the U.S. to the gold standard (commodity backed money).

Just skimming very quickly I couldn’t fin a direct reference, but tying the dollar to gold or any other commodity makes it impossible to continue as a reserve currency. That’s the reason the gold standard was discontinued to begin with. It simply creates a shortage of the currency.

Oh! for this to be the bottom!