Ключевые слова: 2000, bank, banking, banknote, bill, blue, business, cash, check, checking, concept, crime, currency, detector, economics, economy, elements, examination, examining, exchange, fake, false, finance, financial, fraud, inspection, investment, legal, light, macro, money, original, paper, paying, payment, protection, rubles, russia, safety, savings, security, sign, suspicion, symbol, two thousand, ultraviolet, watermark, wealth,