not in all US states. according to [1] the US states that have passed laws making gold and silver legal tender are, as of early 2023:

AZ, IN, KS, LA, MO (pending), OK, SC, TN, TX, UT, WV, WY.

the main reason for these recent law changes appears to be so that tax can not be levied on the sale of gold and/or silver.

[1] https://worldpopulationreview.com/state-rankings/gold-and-si...