Ключевые слова: abstract, analysis, background, bitcoin, blockchain, brain, business, businessman, coding, coin, conference, consult, cost, crypto, cryptography, currency, decentralization, development, digital, double, engine, exposure, flow, future, hands, ico, internet, keyboard, laptop, man, market, media, money, multi, network, notebook, office, opportunity, paper, report, sell, sketch, statistic, stock, table, technology, transaction, typing, using, web,