Ключевые слова: abstract, background, bitcoin, business, businessman, buttons, capital, chart, coin, company, concept, diagram, economic, eur, exchange, finance, financial, first, future, hand, ico, idea, increase, initial, invest, investing, investment, ipo, launch, lock, man, market, modern, money, offering, person, profit, protection, public, screen, sell, share, stock, success, tech, technology, text, touch, trade, word,