The document summarizes three approaches to understanding money - the credit money approach, state money approach, and endogenous money approach. It argues that these approaches are linked and not inconsistent. Under the credit money approach, money originates from credit and debt relationships rather than barter. The state money approach emphasizes the state's role in establishing a unit of account and determining what can be used to pay taxes. The endogenous money approach views money as being created through bank lending and reserves, with central banks controlling interest rates. Ultimately, the document integrates these views by arguing the state establishes the unit of account and issues money used to pay taxes, while private credit-debt relationships also create money through lending.