Ключевые слова: ada, background, bank, banking, banner, bit, bitcoin, blockchain, business, buy, cardano, cash, coin, commerce, concept, conceptual, crypto, cryptocurrency, currency, cyberspace, design, digital, ebusiness, economic, economy, electronic, exchange, finance, financial, gold, golden, icon, illustration, investment, market, metal, mining, monetary, money, network, pay, payment, sign, symbol, technology, trade, transaction, virtual, web,