The US is limited in its ability to create money from gold and silver, but private institution, such as the federal reserve can create money back by debt, not gold and silver
United States federal reserve note is a private currency it is not a government backed currency.
It is a private currency accepted by a public government.
https://www.heritage.org/constitution/#!/articles/1/essays/42/coinage-clause
The US is limited in its ability to create money from gold and silver, but private institution, such as the federal reserve can create money back by debt, not gold and silver
United States federal reserve note is a private currency it is not a government backed currency.
It is a private currency accepted by a public government.