How much money do you have in your piggy bank? Have you ever used an automatic teller machine (ATM) or a pay wave card? How are coins made? Which country uses giant, heavy stones as currency? In Currencies of the World, find out where money comes from, how it is used, what the word economy means, how you can spot counterfeit banknotes and much more. Learn about money from the early days of trading furs and tools, to modern banking and stock markets.