区块链其实就相当于一个去中介化的数据库，是由一串数据块组成的。它的每一个数据块当中都包含了一次比特币网络交易的信息，而这些都是用于验证其信息的有效性和生成下一个区块的。
The
狭义的来讲，区块链是就是一种按照时间顺序来将数据区块以顺序相连的方式组合成的一种链式数据结构，并以密码学方式保证的不可篡改和不可伪造的分布式账本。
In a narrow sense, the block chain is a chain of , which is guaranteed by cryptography as an irrevocable and non-forgerable distribution book.
而从广义来讲，区块链其实是一种分布式基础架构与计算方式，它是用于保证数据传输和访问的安全的。
In a broad sense, the block chain is in fact a distributed base structure and calculation that is used to ensure the safety of data transmission and access.
区块链分类 Block Chain Classification 公有 Public 公有区块链（Public Block Chains)是指：世界上任何个体或者团体都可以发送交易，且交易能够获得该区块链的有效确认，任何人都可以参与其共识过程。公有区块链是最早的区块链，也是应用最广泛的区块链，各大bitcoins系列的虚拟数字货币均基于公有区块链，世界上有且仅有一条该币种对应的区块链。 The public block chain (Public Block Chains) means that any individual or group in the world can send a transaction and the transaction can be validly confirmed in the block chain, and anyone can participate in the consensus process. The public block chain is the earliest and the most widely applied block chain, with the largest series of bitcoins virtual based on a public block chain, with the world having and only one of the following. 联合 Union 行业区块链（Consortium Block Chains)：由某个群体内部指定多个预选的节点为记账人，每个块的生成由所有的预选节点共同决定（预选节点参与共识过程），其他接入节点可以参与交易，但不过问记账过程(本质上还是托管记账，只是变成分布式记账，预选节点的多少，如何决定每个块的记账者成为该区块链的主要风险点），其他任何人可以通过该区块链开放的API进行限定查询。 The industry block chain (Consortium Block Chains): multiple preselected nodes are designated as bookkeepers within a group, the generation of each block is determined by all preselected nodes (preselection nodes are involved in the consensus process) and other access nodes can be involved in the transaction, although limited queries can be made by any other person through API, which is open in the block chain (in essence or as a trustee, is merely a distributed account, the number of preselected nodes, and how to determine how the booker of each block becomes the main risk point in the block chain). 私有 Private 私有区块链（Private Block Chains)：仅仅使用区块链的总账技术进行记账，可以是一个公司，也可以是个人，独享该区块链的写入权限，本链与其他的分布式存储方案没有太大区别。(Dec2015)保守的巨头（传统金融）都是想实验尝试私有区块链，而公链的应用例如bitcoin已经工业化，私链的应用产品还在摸索当中。 Private block chains (Private Block Chains): technology that only uses block chains can be recorded as a company or as individuals, with exclusive rights to write on the block chain, which is not so different from other distributed storage schemes. (Dec2015) Conservative giants (traditional finance) are trying to experiment with private block chains, while public chain applications such as bitcoin are industrialized and private chain applications are still being explored.
区块链是新一代信息技术的重要组成部分，是分布式网络、加密技术、智能合约等多种技术集成的新型数据库软件，通过数据透明、不易篡改、可追溯，有望解决网络空间的信任和安全问题，推动互联网从传递信息向传递价值变革，重构信息产业体系。
区块链是构建信任的基石，是实现信用传递，价值传递的可信网络。可靠的区块链基础设施，让企业、政府快速、高效的搭建区块链网络及行业应用，实现资金流、物流、信息流的可信快速流动，高效可信协同，助力降低协作成本，提升效率
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