Ключевые слова: abstract, anonymous, background, bank, banking, bit, bitcoin, business, car, cash, christmas, coin, cold, commerce, concept, conceptual, crypto, cryptography, currency, digital, economy, electronic, exchange, finance, financial, frost, gold, golden, ice, icon, internet, isolated, market, metal, mining, money, nature, network, pattern, pay, payment, shopping, snow, symbol, texture, trade, virtual, water, white, winter,