Earlier quoted context omitted.
I really don’t buy the old taxes-make-the-money-work chestnut. Far too many counterexamples.
As far as I can tell, money is so entirely based on trust that it might as well consist of it, trust in in some fuzzy combination of other people's continued rationality and things staying roughly the same. I accept 100 euro bills for my labour because I believe I'll continue to be able to trade them for food and shelter.
The notion of property rights is only relevant with a central authority who is able to enforce it. Which could be a nation state, tribal chief or a lord. In the jungle you only own whatever you are able to defend. Even your own life.