Ключевые слова: 20, appearance, authenticity, background, bank, banking, banknote, banknote security, blue, business, cash, close, crisis, currency, detail, economy, euro, euro bank, euro banknotes, euro security, europe, european, fake, fakes, false, falsification, feature, finance, financial security, holograms, money, money security, original, paper, payment, proof, security, security elements, ultraviolet, watermarks, white,