Cryptocurrencies are based on a special field of mathematics called cryptography. 加密货币是基于一种特殊的数学算法,称为密码学。 Cryptography is the study of how to secure communication, and it's about two really important thin

发表于:2019-02-02 / 阅读(47) / 评论(0) 分类 TED演讲国际问题篇