Ключевые слова: abstract, background, bank, banner, bit, bitcoin, block, blockchain, blue, board, business, buy, coin, commerce, concept, conceptual, crypto, cryptocurrency, cryptography, currency, digital, ebusiness, ecommerce, economy, electronic, exchange, finance, financial, fintech, futuristic, globalization, globe, gre, green, hologram, internet, map, miner, mining, money, net, network, pay, payment, symbol, technology, trade, virtual, web, world,