Cryptocurrency，加密货币，是一种使用密码学原理来确保交易安全及控制交易单位创造的交易媒介。加密货币是数字货币（或称虚拟货币）的一种。
Cryptocurrence, Encrypted Currency, is a transaction medium created by a transactional unit that uses cryptography to ensure transaction security and control transactions. Encrypted money is a digital currency (or virtual currency).
比特币在2009年成为第一个去中心化的加密货币，这之后加密货币一词多指此类设计。
Bitcoin became the first encrypted currency to be decentralized in 2009, after which the word encrypted money referred to more than one such design.
自此之后数种类似的加密货币被创造，它们通常被称作altcoins。加密货币基于去中心化的共识机制，与依赖中心化监管体系的银行金融系统相对。
Since then, several similar encrypted currencies have been created, often referred to as altcoins. Encrypted currencies are based on decentralised consensus mechanisms, as opposed to banking systems that rely on centralized regulatory systems.
区块链是分布式数据存储、点对点传输、共识机制、加密算法等计算机技术的新型应用模式。
Block chains are new applications of computer technology such as distributed data storage, point-to-point transmission, consensus mechanisms, encryption algorithms, etc.
区块链，是比特币的一个重要概念，它本质上是一个去中心化的数据库，同时作为比特币的底层技术，是一串使用密码学方法相关联产生的数据块，每一个数据块中包含了一批次比特币网络交易的信息，用于验证其信息的有效性（防伪）和生成下一个区块。
The block chain, an important concept of Bitcoin, is essentially a decentralised database and, as a bottom-of-the-line technology of Bitcoin, is a series of data blocks linked by cryptography, each containing a batch of information on subbitcoin network transactions used to verify the validity of its information (false security) and to generate the next block.
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