August le Blanc
The cookies are HARD currency, you only need it when you spend it= Money Of Exchange. The rate of return is added value.
Money of exchange is the physical money, period.
Money of account is credits in your account... debits and credits.... The bank creates it when they need it... utilizing bills of exchange which can be anything from a promissory note to an invoice... simple easy peasy... the backing is the promise to pay... Which is a contract.