剑桥词典a digital currency produced by a public network , rather than any government , that uses cryptography to make sure payments are sent and received safely （公共網絡的，而非政府發行的）加密電子貨幣（使用加密法確保付款安全支付及收取） cryptocurrencies such as bitcoin 諸如比特幣一類的加密電子貨幣 返回 cryptocurrency