Ключевые слова: abstract, attention, background, block, blockchain, business, code, coin, commerce, computer, concept, crypto, cryptocurrency, cryptography, currency, danger, dark, design, digital, ecommerce, electronic, exchange, finance, futuristic, globalization, icon, illustration, industrial, internet, miner, mining, modern, money, net, network, online, pay, payment, sign, software, symbol, technology, trade, transaction, tunnel, warning, web, whitecoin, world, xwc,