A blockchain-based personal information authorization method and system

Abstract

The invention discloses a personal information authorization method based on blockchain, which includes: a first user uploads personal information to a first consortium chain; the first user uploads a personal information authorization agreement to a second consortium chain; The user downloads the personal information authorization agreement through the second alliance chain, and verifies the second user's request according to the personal information authorization agreement; the first user sends a time-limited and / or limited-time first alliance link entry to the second user according to the verification result. Authorization; the second user accesses the first consortium chain and obtains the personal information of the first user. The invention also discloses a block chain-based personal information authorization system. In the present invention, a block chain-based personal information authorization method and system realizes personal information storage and authorization on the chain by configuring the information interaction relationship between two alliance chains and public chains, and reduces the risk of personal information leakage, while seeking It has reached the balance between efficiency and security in personal information authorization.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a block chain-based personal information authorization method and system. Background technique [0002] In order to protect the security of personal information data, relevant laws and regulations have made the following provisions: In order to standardize data processing activities, ensure data security, promote data development and utilization, protect the legitimate rights and interests of individuals and organizations, and safeguard national sovereignty, security and development interests, formulate this law; the state protects the rights and interests of individuals and organizations related to data, encourages the rational and effective use of data in accordance with the law, guarantees the orderly and free flow of data in accordance with the law, and promotes the development of a digital economy with data as a key element. [0003] In the existing technology, the curr...

AI Technical Summary

Problems solved by technology

[0013] The technical problem to be solved by the present invention is that the authorization of personal information in the prior art still adopts a central management method, which cannot guarantee data security. The purpose is to provide a personal information authorization method and system based on blockchain to solve the above problems

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