Ключевые слова: background, balance, bank, banking, bitcoin, black, business, buy, cash, chain, change, commerce, community, concept, crypto, cryptography, currency, digital, economy, electronic, exchange, farm, finance, financial, glossy, gold, golden, growth, international, internet, market, metallic, money, net, network, pay, payment, pile, price, rate, shiny, sign, stock, studio, symbol, technology, trade, trading, virtual, web,