Ключевые слова: background, banking, bitcoin, block, blockchain, business, cash, chain, code, coin, color, computer, concept, crypto, cryptocurrency, currency, data, digital, drawing, electronic, exchange, finance, financial, gray, growth, hexadecimal, information, investment, it, litecoin, market, mining, money, multicolor, overlapped, paint, paper, phrase, program, programming, software, system, technology, text, texture, virtual, wallet, white, word,