I'm assuming you're referencing David Graeber? His book on this subject, Debt: The First 5000 Years, is a very good read (and very good food for thought) but as

I'm assuming you're referencing David Graeber? His book on this subject, Debt: The First 5000 Years, is a very good read (and very good food for thought) but as a non-expert in both anthropology and economics I'm not sure how much veracity to assign it.