Ключевые слова: 100, abstract, abundance, american, background, bank, banking, banknote, banknotes, benjamin, bill, bills, business, buying, cash, closeup, color, concepts, credit, currency, debt, design, differences, dollar, dollars, economic, economy, exchange, finance, financial, fingerprints, franklin, global, green, group, holding, hundred, innovations, international, investment, isolated, large, money, nanotechnology, new, old, paper, usa,