> Money is an IOU. That is a promise of something.
What is that something?
What is that something?
In particular, if you don't buy the whole premise (that dollar bills are US government liabilities), then RobertoG's statement (that "Money is an IOU. That is a promise of something.") is completely unconvincing by itself, without further support. And your "support" is not very helpful.
https://www.creditwritedowns.com/2011/10/currency-revulsion-...