That's why in the past commodities and their prices weren't that much. And due to the inflation that happens yearly or anytime of the year, the price increases and that makes the value of fiat even lesser.
As for bitcoin, it's a deflationary cryptocurrency and we know that in the future the value of it becomes higher due to having a limited supply.
When you have that much money, don't keep them in fiat. But don't forget to at least save for some things that you need to spend it with cash and when you want to have high liquidity of your money.
I think trying to find alternative investment where it can give us better return is essential in this case, considering the fact that inflation has been rising quite high these past few years due to geopolitical reasons.
investing in cryptocurrency, stocks and many more might prove to be beneifical at time like this even more so when the crisis could hit anytime.
but I think many people still don't have a clue about that, even don't have a clue that their salary should supposedly rise with the coming of inflation but many of them have unincreasing salary.
when it comes to fiat vs commodity, i'd honestly hold into commodity, just for the sake of avoiding inflation altogether. but can't refute the fact that fiat is still that convenient.
Because if you won't do something to make use of your money in investments, the banks are the ones that will make use of it and in return, they will give you very small amount of interest.
Investing in any asset you know is recommended.