区块链技术在产品溯源领域的应用

 进入新世纪，人类科技进步日新月异，互联网技术发展迅猛。诞生于2009年的区块链，以互联网为基础，将软件开发、密码学、P2P网络和算法技术综合运用，创造出一种“信任机器”，其初衷就是要解决信用和信任的问题。它必将与大数据、物联网、人工智能、5G技术和云计算深度融合，为人类的美好未来添砖加瓦。

& nbsp; entering the new century with rapid advances in human science and technology and rapid advances in Internet technology. Born in 2009, the block chain, based on the Internet, created a & ldquao; a trust machine & & rdquao; built on software development, cryptology, P2P networks and algorithm technology; originally designed to solve problems of trust and trust. It is bound to integrate with big data, network of things, artificial intelligence, 5G technology and cloud computing depth, adding a brick to the future of humanity.

区块链技术是为了解决信用问题，意在解决虚拟货币在支付可能时遇到的重复扣款问题(即电子货币双花问题)。从某种意义而言，区块链是对信用的重塑，实现了链上的可验证、可追溯和不可篡改，经过多年的发展其已表现出前所未有的价值，成为数字世界越来越重要的基础设施之一。其应用的突出了去中心化、分布式账本和智能合约三大特征。

Block chain technology is designed to solve credit problems, and is intended to solve the problem of double deductions (i.e., double money problems) that a virtual currency encounters when it is possible to pay. In a sense, the block chain is a re-engineering of credit that has achieved a verifiable, retroactive and non-declared chain that, after many years of development, has shown unprecedented value and has become one of the more important infrastructure in the digital world. Its applications highlight three features: decentralization, distributional books, and smart contracts.

去中心化是区块链的灵魂，没有个人与组织能够篡改交易信鼠，数据一经产生并确认后就无法删除和更改。其所带来的公开透明特性，能够让监管机构更加方便地监控整个交易系统的数据，有利于政府对企业、企业对自身进行监督管理。

Decentralizing is the soul of the block chain, and without individuals and organizations capable of tampering with the trade mouse, the data cannot be removed and changed once it is generated and confirmed. The transparent nature of the data that it brings can make it easier for regulators to monitor data across the entire trading system and facilitate government oversight of businesses and businesses themselves.

分布式账本这种记账形式，体现出了强大的创新力。账本中的任何改动，参与到区块链网络中的每台机器，都能获得真实而唯一的信息副本，都会在副本中反映出来。未来，互联网上将连接上万亿台的传感器，安装于各类智能家电、汽车等设备上，都可以在区块链上开设自己的账户。当然，不能简单地把账本认作仅具有资金交易的属性，实际上账本中的信息数据包罗万象、涵盖各类维度，可以是资金流、信息流，还可以是物流以及社会关系。多种维度的数据可以相互之间进行综合验证，展现出全面完整的信息。

In the future, the Internet will be connected to hundreds of millions of sensors, installed on a variety of smart household appliances, cars, etc., and can open its own accounts on a block chain. Of course, the book cannot simply be considered as having the attributes of a financial transaction alone; in fact, the information data in the book cover a wide variety of dimensions, whether money flow, information flow, logistics, or social relations.

智能合约实际上是写在区块链上的代码，它使区块链平台根据合约规则，自动而无条件的执行，从而取代了传统商业行为中以人工操作进行履约的不确定性，提高了数据交互流通的效率。

Smart contracts are actually coded on the block chain, which allows the block chain platform to be implemented automatically and unconditionally, in accordance with the contract rules, thereby replacing the uncertainty of manual performance in traditional business practices and increasing the efficiency of data interchange.

所以区块链在溯源上存在天然的技术优势。在技术层面实现去中心化、分布式账本的哈希函数所具有的不可逆性，维持着区块链系统安全框架的运营，实现了信息的不可篡改性，使智能合约可以取代人工操作，增加效率。

So the block chain has a natural technological advantage in traceability. At the technical level, the Hashi function of decentralizing and distributing books is irreversible, maintaining the security framework of the block chain system, making information immutable and allowing smart contracts to replace manual operations and increase efficiency.

在保护用户隐私方面，区块链技术有着高度安全的匿名性，并且有着多种验证和加密方法，使黑客很难盗用信息，就算获取了信息也没法破解哈希函数加密的数据，很好地保护了用户的隐私。在基于区块链技术的溯源链中，各供应方可以参与到供应链**同保护数据隐私，并且公开透明，还能确保各参与方及时发现供应链运行过程中存在的问题，提出有效的解决办法。这样的运行模式可以高效提升供应链管理效率，并打破社会中部分企业信息孤岛的现状。

In terms of protecting user privacy, block chain technology has a high degree of security of anonymity and multiple authentication and encryption methods that make it difficult for hackers to steal information, and even when information is obtained, it does not break Hashi-coded data, and protects user privacy well. In a chain of traceability based on block chain technology, suppliers can participate in supply chains** and protect data privacy, and be transparent. It also ensures that participants identify problems in supply chain operations in a timely manner and come up with effective solutions.

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