Ключевые слова: 6, abstract, background, block, blockchain, color, colored, concept, crypto, cryptoart, cryptocurrency, cryptography, dark, decentralized, digital, electronic, exchange, gradient, graphic, icon, illustration, information, innovation, internet, investment, line, linear, logo, money, net, nft, nonfungible, outline, pay, payment, sign, six, style, symbol, tech, technology, thin, token, trade, transaction, unique,