Tbf, Marx was probably talking more along the lines of fiat money (before the great depression, the value of state currency was backed by things like gold and silver), as well as bonds and stocks. Money flows that are based on expectations/confidence instead of actual value in the now, basically.
Still got a point though because NFTs are like a new level of fictitious
Massively appreciate this level of transparency on the instance's finances. To me, that's a promising sign