I would go 67% fiat (maybe a low risk investment in a bank) and 33% bitcoins.
The dollar will not exist in 6 years and "investing" in fiat has never been a good investment:
The death of the dollar is set in stone now with what's happening in the bond markets. No foreign countries want worthless US debt paper at all anymore. They're not only not buying it, they're also dumping the ones they already have. When the debt market has no buyers, the interest rates skyrocket, then the price to service the debt exceeds what can be paid and the debt is defaulted on. Or they can just print and buy their own bonds, monetizing the debt and end in hyperinflation.
Regardless of how it plays out, the end is drawing near for the dollar and metals are going to the moon soon. There might be a deflationary crash as all the debts are defaulted on that takes the price of everything down, but there's no way I'm sitting on the sidelines with worthless fiat waiting to buy that when there will be bank holidays and capital controls when it happens preventing you from doing anything.
There may also be a surprise new Bretton Woods that comes out of nowhere where they just revalue gold at $10,000 - $20,000 overnight. Having 0 metals or sitting on the sideline waiting for a deflationary crash to buy isn't a very good idea.