Ключевые слова: accessory, alone, banking, bitcoin, block chain, blockchain, business, businessman, caucasian man, center, closeup, components, computers, crop, cropped, cryptocurrency, currency, datacenter, ebusiness, ecommerce, electronics, equipment, ether, ethereum, finance, formal wear, handsome, hardware, industry, internet, late, male, manager, mining farm, money, payment, people, person, shelves, suit, technology, time, time management, virtual, watch, web, wristwatch, young, youth,