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Block chain secure storage method based on sparse random erasure code technology

A secure storage and blockchain technology, applied in the direction of coding, cyclic code, code conversion, etc., to achieve the effect of reducing storage overhead, high data reliability, and reducing storage burden

Pending Publication Date: 2020-12-25
HEFEI CITY COULD DATA CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since each node of the blockchain system adopts fully redundant storage of copies, while enabling each complete node in the blockchain system to independently verify each piece of information, obtain results, and reach a consensus, it also brings serious problems. storage burden

Method used

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  • Block chain secure storage method based on sparse random erasure code technology
  • Block chain secure storage method based on sparse random erasure code technology
  • Block chain secure storage method based on sparse random erasure code technology

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Embodiment Construction

[0033] In order to have a further understanding and understanding of the structural features of the present invention and the achieved effects, the preferred embodiments and accompanying drawings are used for a detailed description, as follows:

[0034] Such as figure 1 with image 3 As shown, a kind of blockchain safe storage method based on sparse random erasure code technology described in the present invention comprises the following steps:

[0035] The first step is to acquire and preprocess the original data: acquire the original data, perform shard hash processing on the original data, and obtain the hash value and physical storage location information.

[0036] The second step is the generation of new nodes: the processed original data is recorded in the blockchain in the form of transactions according to the hash value and physically stored location information, and becomes a new node.

[0037] The third step is the addition of new nodes in the blockchain.

[0038]...

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Abstract

The invention relates to a block chain secure storage method based on a sparse random erasure code technology. Compared with the prior art, the defect that all nodes in a block chain system adopt a copy full-redundancy storage mechanism is overcome. The method comprises the following steps: acquiring and preprocessing original data; generating a new node; and adding the new node into the block chain. According to the method, the lightweight nodes in the node group do not store complete block data any more, only the coding blocks processed by the sparse random erasure codes are stored, and thespecific content of storage is determined by a storage strategy; and when complete block data can be recovered through the nodes in the group, the node group is allowed to join the block chain network, so that the block chain system has complete functions, and the storage overhead is reduced while the security is ensured.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a block chain security storage method based on sparse random erasure code technology. Background technique [0002] Blockchain technology can be regarded as a decentralized distributed ledger from the perspective of storage. In the blockchain, a block is a carrier for storing transaction summary information, and it is also a structural unit of data storage in the blockchain. Each block consists of a block header and a block body. The information in the block header is used to identify the block itself, the information summary of the previous block, and the position of the block in the entire ledger; the block body is mainly used for Store transaction summary information and MerkleTree for verifying transaction information and ensuring that transactions cannot be tampered with. [0003] However, blockchain technology also has shortcomings. Since each node of the blockchain...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F11/10H03M13/15H04L29/08
CPCG06F3/0604G06F3/0614G06F3/0638G06F3/067G06F11/10H03M13/1515H04L67/108H04L67/1095
Inventor 赵杨刘胜军谢飞谢贻富倪志伟陈千李海松
Owner HEFEI CITY COULD DATA CENT
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