Ключевые слова: abstract, backdrop, bucks, business, buy, cash, coin, countries, currency, different, dollar, economy, endangered, eur, euro, europe, face, finance, foreign, gambling, hryvnia, hundred, international, liquid, lose, loss, money, notes, one, paper, pay, payment, profit, purchase, rubles, rur, russia, russian, sell, species, symbol, uah, ukraine, unequal, usa, usd, wealth,