uh huh, but their tangibility has as much to do with randomly modeling them as a proof of work in a crypto currency - as every potential tangible thing you can spend the currency on. That is to say: none.

Physics is more tangible than mathematics.

ah, I see the problem now. You should open with that line in all your exchanges, you'd get fewer people trying to explain to you how you're wrong.

Actually, the proof of work exists.

https://xkcd.com/435/