Ключевые слова: analysis, assess, author, background, bitcoin, blockchain, book, brain, business, businessman, button, closeup, coding, coin, conference, crash, creative, crypto, cryptography, currency, decentralization, device, digital, distributed, doodle, double, engine, exposure, finance, freelance, future, hands, ico, idea, intelligence, investment, journalist, laptop, man, money, multi, network, occupation, sketch, solution, technology, transaction, typing, using, web,