Ключевые слова: assets, background, banking, banknote, bill, bit, bitcoin, blockchain, business, cash, chain, closeup, coin, community, crypto, cryptocurrency, cryptography, currency, digital, economy, electronic, encryption, exchange, financial, gold, golden, growth, international, internet, investment, lump, market, metal, mine, mining, money, pay, payment, physical, rich, security, stock, trade, usa, usd, value, virtual, wallet, web, yellow,