On-chain witness and off-chain transmission trustworthy data sharing platform

Zhao ZHANG; Jixin TIAN; Cheqing JIN

doi:10.11959/j.issn.2096-0271.2020047

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On-chain witness and off-chain transmission trustworthy data sharing platform

APPLICATION | 更新时间：2024-06-03

- On-chain witness and off-chain transmission trustworthy data sharing platform
- Big Data Research Vol. 6, Issue 5, Pages: 2020047-1(2020)
- 作者机构：
  
  1. 华东师范大学数据科学与工程学院，上海 200062
  2. MCT Technology，上海 200023
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-0271.2020047
  CLC： TP315
- Online First：2020-09，
  
  Published：15 September 2020
- 稿件说明：
移动端阅览
Zhao ZHANG, Jixin TIAN, Cheqing JIN. On-chain witness and off-chain transmission trustworthy data sharing platform[J]. Big Data Research, 2020, 6(5): 2020047-1.
DOI：

Zhao ZHANG, Jixin TIAN, Cheqing JIN. On-chain witness and off-chain transmission trustworthy data sharing platform[J]. Big Data Research, 2020, 6(5): 2020047-1. DOI： 10.11959/j.issn.2096-0271.2020047.

摘要

区块链系统可以为分享数据的互不信任的多方之间提供可信的基础设施。但是，将原始分享数据直接上链的方式并不适合大规模的数据分享场景。因此，提出了一种数据共享请求和应答记录上链存证、原始数据链下安全传输的数据共享平台架构，该架构在一定程度上可以缓解系统负载过重以及隐私保护方面的问题。最后总结了随着参与节点的增多，以及每秒需要处理的数据共享请求和应答的增多，已有的区块链技术被应用到数据分享和确权领域时，在分布式存储、共识协议、智能合约执行以及轻客户端查询方面面临的挑战以及改进的方向，以期为已有区块链系统应用于数据共享领域指明需要进一步突破的技术瓶颈。

Abstract

Blockchain system can build a trusted infrastructure for sharing data between multiple untrusted parties.However

directly uploading original shared data to blockchain is not suitable for large-scale data sharing scenarios.A data sharing architecture where data sharing request and response records are deposited on-chain and original data is transmitted securely off-chain was proposed.The architecture can alleviate the problems of system overload and privacy protection to a certain extent.Finally

with the increase of participating nodes and the data sharing requests and responses to be handled per second

the limitations in distributed storage

consensus protocol

smart contract execution

and query from light clients

directions for further research were proposed

in order to specify the technical bottlenecks that need to be further broken for the existing blockchain system applied to the field of data sharing.

关键词

Keywords

references

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