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Blockchain underlying shared storage method

A shared storage and blockchain technology, applied in the blockchain field, can solve problems such as storage waste, and achieve the effect of enhancing supervision and preventing tampering or destruction.

Active Publication Date: 2021-01-15
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of storage waste in the distributed ledger copy storage in the existing blockchain system, the present invention divides all nodes into multiple node clusters, and each node cluster maintains a common ledger, and the ledger content uses a consensus algorithm Update and maintain with zero-knowledge proof technology to ensure the validity of the content

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Embodiment Construction

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0020] 1. The system nodes are clustered and full nodes are elected:

[0021] like figure 1 As shown, all nodes in an alliance chain system are divided into multiple (≥3) node clusters according to the organizational relationship (or random distribution). In each node cluster, a full node is elected from all nodes according to the election algorithm. The full node maintains a database for the node cluster, responsible for recording, modifying and accepting challenges from verification nodes. This databas...

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Abstract

The invention discloses a blockchain underlying shared storage method, and relates to the technical field of blockchains. Aiming at the problems of storage and exchange of data in the alliance chain,the method solves the problem of storage waste caused by high TPS transaction information amount in the alliance chain in the big data era by utilizing a consensus algorithm, a group signature algorithm, a zero knowledge proof method and the like, and realizes shared storage of the data; system members manage a specific database in a centralized manner according to members in a cluster classification cluster; a account book is maintained through a full node and a verification node elected by the consensus in the cluster; the block cochain is achieved by means of the consensus, the verificationthat the account book is not tampered can be achieved by means of zero knowledge proof, the supervision on the account book is enhanced, and the database is prevented from being tampered or damaged.

Description

technical field [0001] The invention relates to the field of block chains, in particular to a method for shared storage at the bottom layer of block chains. Background technique [0002] The consortium chain is a block chain jointly managed by several organizations. The scope of authority of the nodes (or organizations) in the chain is specified, and all transaction information is recorded together. It has the main technical characteristics of strong identity authentication, security and privacy, high performance, and massive data. , which is widely used in the practical application of blockchain. However, in the consortium chain, due to the variety of participants and the high TPS operating environment in the consortium chain, a lot of content needs to be recorded and the storage capacity is large. For storage, there will be a lot of overhead for each node, and it will also cause unnecessary storage waste. Contents of the invention [0003] In order to solve the problem...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L9/32
CPCH04L67/1097H04L9/3218H04L67/10H04L9/50
Inventor 夏琦
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA