Cash is resilient—it works even when computer systems go down or during a power failure. It is private—you can buy everyday goods and services without revealing your identity or your personal or financial information. Cash also preserves an element of competition in the financial system, by providing a cheap and reliable alternative to credit and debit cards.
She could higgle until her black face was greener than the parrot-fish, it would not matter. For once Baba had decided that a fish was worth a shilling, God could not alter its price. The fish was always sold for a shilling.