Ключевые слова: abstract, background, bitcoin, blockchain, blogging, business, businessman, button, coding, coin, conference, consulting, crypto, cryptography, currency, decentralization, digital, double, employee, engine, european, exposure, forex, future, goal, hands, human, ico, laptop, letter, loft, man, money, multi, network, opportunity, pattern, plan, research, sketch, success, technology, trader, transaction, typing, using, virtual, volume, web, work,