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Block chain payment channel supervision method based on proxy re-encryption

A proxy re-encryption and payment channel technology, applied in the field of blockchain payment channel supervision based on proxy re-encryption, can solve problems such as deregulation, tax evasion, and unfavorable applications, and achieve the effect of making up for irreversibility and preventing theft

Active Publication Date: 2021-10-29
东北大学秦皇岛分校
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Users use channel technology to interact with data off-chain, and the interaction process will not be presented in the public blockchain, but only exists between users, making it impossible for external personnel and institutions to understand the specific content
Especially in the financial field, tax evasion is prone to occur, and it is out of supervision, which is not conducive to the application of this technology in financial and other fields
Existing technologies only use hashing technology to protect user data privacy and prevent malicious actors from stealing data content. Due to the irreversibility of hashing technology, this type of technology realizes the privacy protection function but destroys the supervision function. both

Method used

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  • Block chain payment channel supervision method based on proxy re-encryption
  • Block chain payment channel supervision method based on proxy re-encryption
  • Block chain payment channel supervision method based on proxy re-encryption

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Embodiment Construction

[0062] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0063] In this embodiment, a block chain payment channel supervision method based on proxy re-encryption, such as figure 1 As shown, it involves the blockchain system, the users at both ends of the channel, the WSP (Watching Service Provider, that is, the monitoring service provider) entrusted by the user, and the regulator; the blockchain system is used to provide users with distributed and credible data Storage system; the channel users use the blockchain smart contract to realize the blockchain channel, and perform data interaction in the channel, and entrust the monitoring service provider to save the historical data; the WSP provides shared storage and computing for c...

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Abstract

The invention provides a block chain payment channel supervision method based on proxy re-encryption, and relates to the technical field of block chains. The method relates to a block chain system, users at two ends of a channel, a WSP entrusted by the user and a supervisor. The block chain system is used for providing a distributed credible data storage system for a user; a channel user uses a block chain smart contract to realize a block chain channel, performs data interaction in the channel, and entrusts a supervision service provider to store historical data; the WSP provides a shared storage function and a computing resource pool function for the channel user; when a dispute occurs between channel users, the WSP provides the latest state to solve the dispute; when the supervisor makes a supervision request, the WSP sends encrypted historical data of the target user to the supervisor; a supervisor interacts with the WSP to supervise off-chain historical data of the channel user; according to the method, a symmetric encryption technology and a proxy re-encryption technology are combined to store data of channel users in a WSP in a privacy protection scheme, and supervision is realized.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a block chain payment channel supervision method based on proxy re-encryption. Background technique [0002] Blockchain is a credible distributed data storage technology based on P2P network and cryptography technology, which has the characteristics of decentralization and non-tampering. However, the distributed blockchain is limited by the number of nodes and consensus algorithms, resulting in low performance in terms of throughput and scalability, which cannot meet the needs of some field applications, which in turn limits the application of blockchain technology. [0003] In order to solve the scalability and throughput problems of the blockchain, scholars have proposed the blockchain channel technology to expand the blockchain from the chain to improve the scalability and throughput of the blockchain. Currently, such schemes are mainly payment channels and state channel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q40/04G06Q20/38H04L9/32H04L29/06
CPCG06Q40/04G06Q20/382G06Q20/3825G06Q20/3829H04L63/0435H04L9/3247
Inventor 史闻博陶玉鲁宁张永欣
Owner 东北大学秦皇岛分校
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