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Blockchain-based digital asset transaction consistency maintenance method

A technology of digital assets and blockchain, which is applied in the field of blockchain to achieve the effects of ensuring strong consistency, improving transaction efficiency, and facilitating management

Active Publication Date: 2018-07-13
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the deficiencies of the prior art, the present invention provides a blockchain-based method for maintaining the consistency of digital asset transactions, which solves the problem of consistent account status in the field of digital assets

Method used

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  • Blockchain-based digital asset transaction consistency maintenance method
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Embodiment Construction

[0036] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0037] figure 1 It is the account state tree and the account transaction chain. The combination of the account status tree and the account transaction chain is called MPTC (Merkle Patricia Tree Chain). The nodes of the account status tree include root nodes, branch nodes, extension nodes, and leaf nodes. The root node stores the hash value calculated by the child node, which is called merkle root; the branch node is composed of the key value encoded by the hexadecimal prefix and the merkle root calculated with the node as the root node; the extension node stores the leaf The Tx-hash before the node splits and the hash pointing to the...

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Abstract

The invention discloses a blockchain-based digital asset transaction consistency maintenance method, including the following steps: (1), firstly, creating a new transaction by a transaction initiationnode; (2), enabling other nodes in the network to receive transaction information, verifying the legality of the transaction information, and putting the legal transaction into a new block; (3), broadcasting the new block to the network, enabling the nodes in the network to synchronize the new block, and when the nodes synchronize the new block, first updating an MPTC account state tree; (4), updating the MPTC account state tree in step (3), and enabling an account that carries out a new transaction to associate the new transaction with the most recent transaction of the account; and (5), linking transaction records related to the same account together according to the time sequence to ensure that the new block is added to a blockchain, and the account state tree and an account transaction chain are updated. Thereby, the problem of account state consistency in the field of digital assets can be solved.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a method for maintaining transaction consistency of digital assets based on block chains. Background technique [0002] The application of blockchain technology in the field of digital assets provides a safe and trustworthy circulation mechanism for digital assets and guarantees the value transfer system of digital assets. Under the distributed peer-to-peer network without central control, the blockchain uses a distributed collective operation method to build a P2P self-organizing network. Nodes under the P2P network maintain their own ledger information, but due to network delays, network failures and other reasons, the information between the ledgers may not be completely the same, and the status cognition of the same account is also different. Bitcoin, Ethereum, etc. adopt the proof-of-work mechanism to probabilistically guarantee the final consistency of digital assets....

Claims

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Application Information

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IPC IPC(8): H04L29/06G06Q30/06
CPCG06Q30/06H04L63/08
Inventor 孔兰菊李庆忠闫中敏尤瑶闵新平
Owner SHANDONG UNIV
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