cryptocurrency
noun [uncountable, countable](plural cryptocurrencies)
any system of electronic money, used for buying and selling online and without the need for a central bank 加密货币：任何电子货币系统，可用于在线买卖而无需中央银行 Cryptocurrency represents one of the most promising internet technologies in years. 加密货币是近年来最有前途的互联网技术之一。 ‘Altcoin’ is a catch-all term for cryptocurrencies based on the Bitcoin system. “奥币”是基于比特币系统的加密货币的总称。