Ключевые слова: altcoins, background, bitcoin, blockchain, board, btc, cable, card, cash, circuit, coins, communication, computer, connector, crypto, cryptocurrency, cryptography, currency, data, device, digital, ebusiness, electronic, equipment, ethereum, ethernet, exchange, graphic, information, interface, internet, lan, mainboard, mine, mining, money, network, patch, plug, rig, riser, rj45, technology, telecommunication, trade, traffic, transfer, unit, utp, wire,