Ключевые слова: arrow, background, bank, banking, blockchain, business, buy, cash, coin, commerce, concept, conceptual, concrete, copy, crypto, cryptocurrency, cryptography, currency, digital, ecommerce, economy, electronic, exchange, fall, finance, financial, gold, golden, growth, internet, litecoin, ltc, market, metal, mining, money, net, network, object, pay, payment, shining, sign, space, symbol, trade, virtual, web,