Block verification method and device

A technology of a verification device and a verification method, which is applied in the field of communication, and can solve the problems that the user terminal does not have the ability, the user terminal cannot verify the authenticity of the block, etc.

Active Publication Date: 2017-11-24
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, user terminals such as mobile phones often do not have the ability to serve as complete blockchain nod

Method used

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  • Block verification method and device
  • Block verification method and device

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Embodiment Construction

[0025] figure 1 It is a flowchart of a block verification method provided by an embodiment of the present invention. In the embodiment of the present invention, user terminals such as mobile phones often do not have the ability to be a complete blockchain node. When other nodes send a block to the user terminal, the user terminal cannot verify the authenticity of the block and provides the block Verification method, the specific steps of the method are as follows:

[0026] Step S101: Receive block identification information, hash value and signature information sent by the root node, where the signature information is obtained after signing the block identification information and hash value using the private key of the root node of.

[0027] The execution subject of this embodiment may specifically be a mobile terminal node in a blockchain network, such as a smart terminal node, which is not always online in the blockchain network. Such as figure 2 As shown, the blockchain netw...

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Abstract

The embodiment of the invention provides a block verification method and device. The method comprises the steps that the identification information, the hash value and the signature information of a block sent by a root node are received; the signature information is verified according to the public key of the root node; if the verification is successful, the corresponding relationship among the identification information, the hash value and the signature information of the block are stored; a block to be queried is acquired from a server node; and the block is verified by comparing whether the hash value carried in the block is consistent with the hash value of a locally stored block. According to the embodiment of the invention, a mobile terminal node receives the identification information, the hash value and the signature information of the block sent by the root node, and stores the corresponding relationship among the identification information, the hash value and the signature information; and when the mobile terminal node acquires the block to be queried from the server node, the node verifies the block by comparing whether the hash value carried in the block is consistent with the hash value of the locally stored block.

Description

Technical field [0001] The embodiment of the present invention relates to the field of communication technology, and in particular to a block verification method and device. Background technique [0002] Blockchain is a series of data blocks associated with cryptographic methods. Each data block contains information about a Bitcoin network transaction, which is used to verify the validity of the information (anti-counterfeiting) and generate the next block. [0003] The blockchain itself has its own verification capabilities, but the premise is that it must have a complete blockchain ledger to proceed. The blockchain itself requires each complete node to update the complete blockchain ledger in real time, so that any node can verify any block. [0004] However, user terminals such as mobile phones often do not have the ability to be a complete blockchain node. When other nodes send a block to the user terminal, the user terminal cannot verify the authenticity of the block. Summary ...

Claims

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Application Information

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IPC IPC(8): H04W12/06H04L9/32H04L9/08
CPCH04L9/0894H04L9/3236H04L9/3247H04W12/06
Inventor 田新雪马书惠
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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