Physical Gold
Gold via a fund e.g. SPDR (GLD) https://www.spdrgoldshares.com/
Gold mining stocks e.g. SPDR (GLDM) https://www.spdrgoldshares.com/
Gold does work as a hedge against sustained inflation, but not momentary blips in inflation https://www.investmentnews.com/gold-standard-fight-inflation...
Gold also works as a hedge against currency hyperinflation
First of all, most fiat currencies don't last very long. https://medium.com/@bewdliberty/on-a-long-enough-timeline-th...
2nd, diversification across asset classes still makes sense https://www.morningstar.com/portfolios/why-portfolio-diversi...
In the case of a weakening dollar, sanctions as weapons, and the potential rise of a new basket, or reserve currency, there are many reasons why gold may make sense to add to a portfolio.
>Gold is an unproductive asset
Anecdotally, my gold hedge via GLD is up >20% per annum in capital gains.
If the US dollar is debased more through excessive printing, it will go much, much higher.