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「旺链微讲堂」溯源系列之业务实践篇直播已经落下帷幕，本次直播我们特别邀请到了区块链溯源高级产品经理李述栋李老师为大家做分享。
李老师从区块链溯源实际业务层面，向大家详细介绍了区块链溯源如何实现上链存证，以及VoneTracer如何助力企业软硬件升级并赋能企业降本增效和营销增长，本期内容让我们一起回顾下。
区块链溯源与传统溯源的区别？
传统溯源主要使用中心化数据库或云端存储中心化账本模式，没有其他方参与进来，只是企业自身存储信息，自说自话。当账本信息不利于自身时，都有可能选择篡改账本，导致人们对溯源信息的信任度低。
区块链溯源能够做到从种植、工厂、 运输、仓储到销售各个环节全部写入区块链，并且有政府监管部门和企业自身的上下游等多方的参与，链上的全节点都具有账本信息副本，想要篡改信息至少要在链上实现51%区块数据的改变，操作难度极大，基本不可能实现，所以区块链能实现全节点的信息共享和数据的不可篡改。
那么区块链溯源对于企业和消费者来说有何价值？李老师认为主要体现在以下四个方面：
区块链追溯体系让消费者放心
区块链公认的不可篡改特性，让所有写在区块链上的过程信息成为将来的呈堂证供，倒逼企业合规诚信，给消费者提供放心的产品。
精准召回，让消费者舒心
食品安全追溯平台使用一物一码，一旦产品有问题，可以精准的对问题产品进行公布并进行召回。
实时监管让消费者安心
政府对使用平台的企业进行审核，并对企业的产品进行检验检测，同时通过系统对企业的生产、流通过程进行监管，提升产品的公信力，让消费者安心。
权威发布让消费者省心
食品安全追溯平台将实时发布问题产品和企业，也会发布优良产品和企业，让消费者省心省力的识别风险。
区块链溯源如何上链存证？
区块链数据上链原理
1.数据打包
在区块链网络中有一方产生交易，整个链条上的记账者们会收录交易，按链式数据结构打包成“区块”。
2.计算验真
共识算法驱动大家验证新区块里的交易，确保计算出一致的结果。
3. 数据广播
数据被广播到所有节点，稳妥存储下来，每个节点都会存储一个完整的数据副本。交易一旦“上链”，则意味着得到完整执行，达成了“分布式事务性”。
通俗理解，就像一段话经过集体核准后在公告板上公示于众，一字不错不少，永久可见且无法涂改。
VoneTracer如何赋能企业业务发展？
VoneTracer是旺链科技自主研发推出的基于区块链技术的商品追溯SaaS平台，可实现商品的全流程溯源、数据不可篡改、信息透明可查询、多批次赋码，已帮助众多企业提升了产品信任度和品牌形象。目前，VoneTracer在食品、农产品、水产养殖、中药材、保健品等多个行业领域具有成型的落地案例，得到了广泛的好评。
那么基于区块链溯源技术的VoneTracer如何赋能企业业务发展？李老师讲到了以下四个方面。
VoneTracer助力企业 |
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