Ключевые слова: abstract, achieve, background, bitcoin, blockchain, brain, business, cell, closeup, coding, coin, conference, cost, crash, crypto, cryptography, currency, decentralization, devise, digital, display, double, drawing, engine, exposure, future, ico, man, marketing, modern, money, multi, network, pattern, payment, people, phone, screen, sell, smart, smartphone, spend, tablet, technology, touchscreen, training, transaction, transform, virtual, web,