Since everyone was involved in selling something, however, just about everyone was both creditor and debtor; most family income took the form of promises from other families; everyone knew and kept count of what their neighbors owed one another; and every six months or year or so, communities would hold a general public “reckoning,” canceling debts out against each other in a great circle, with only those differences then remaining when all was done being settled by use of coin or goods.
