Ключевые слова: 2, alternative, b2b, b2c, background, block, business, buying, calculator, cash, chain, change, coin, collaboration, commerce, company, competition, consumer, content, corporate, creative, cube, customer, direct, ecommerce, economy, finance, free, goal, industry, international, investor, market, marketing, marketplace, model, money, profit, purchase, sale, sales, sell, supplier, supply, symbol, tax, text, wood, wooden, word,