Crypto is too complex for the marching morons, one slip up and they lose all their money.
Lost keys, bad addresses, fat fingered trades, etc,...

There are other ways to account for folks' consumption of consumer goods.
Here is one, and here is another, both are fictional and mere outlines of what we could develop for ourselves.

This one does the math using reality.
It was written over 100 years ago and nobody teaches it in skool, except that one guy.

I'm starting to buy into @valued-customer's theory that the way out is local production of all things, though I would much rather maintain the standard we have by grafting the existing infrastructure to the new paradigm.
Everybody keeps working 20 to 50, puts in 'the minimum standard'(tbd), and all things are 'free'.

We have to have workers, we don't have to have dollars.™