Ключевые слова: abstract, algorithm, background, bank, bitcoin, blockchain, brain, business, card, cellphone, coding, coin, conference, credit, crypto, cryptography, currency, data, decentralization, desktop, development, digital, double, drawing, ecommerce, electronic, engine, entrepreneurship, exposure, forex, future, gadget, graph, ico, laptop, machine, money, multi, network, office, people, phone, school, seminar, shop, strategy, technology, transaction, web, woman,