Ключевые слова: abstract, art, background, banking, binary, block, block chain, blockchain, bright, business, cash, cnx, code, coin, color, commerce, computer, concept, crypto, cryptocurrency, cryptography, cryptonex, currency, design, digital, economy, electronic, exchange, finance, financial, icon, illustration, internet, logo, mining, money, network, online, sign, smartphone, social, style, symbol, technology, token, trade, virtual, wallet, web,