Transaction method for creating node group in alliance chain network based on node group

A node and transaction technology, applied in the information field, can solve problems such as the inability to protect the privacy of node business data

Active Publication Date: 2020-07-07
ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the business data privacy of node docking cannot be protected in the prior art, the embodiment of this specification provides a node group-based transaction method in the consortium chain network. The scheme is as follows:

Method used

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  • Transaction method for creating node group in alliance chain network based on node group
  • Transaction method for creating node group in alliance chain network based on node group
  • Transaction method for creating node group in alliance chain network based on node group

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Embodiment Construction

[0034] figure 1 It is a structural diagram of an existing blockchain system. Such as figure 1 As shown, in the existing technology, the alliance chain account can send transactions through any node, the transaction contains business data, and the transaction will be broadcast to the whole network, so that each node will cache the transaction locally. In the consensus stage, nodes A~node D generate blocks based on the consensus algorithm, and there are several transactions packaged in the block. Each node executes the transactions in the block generated by the consensus, and writes the block into the local alliance chain (Equivalent to writing each transaction in the block into the local alliance chain), realizing transaction execution and transaction storage on the chain.

[0035] figure 1 The blockchain system will disclose the business data connected to each node in plain text in the alliance chain, and all nodes in the alliance chain network can check each other's busine...

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PUM

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Abstract

The invention discloses a transaction method for creating a node group in an alliance chain network based on the node group. A manager of a first node in an alliance chain network may initiate a groupcreation transaction through its own alliance chain account, the group creation transaction including a group creation sub-transaction. After the group creation transaction is broadcasted to the alliance chain network, the first node creates a sub-transaction according to the group when executing the group creation transaction, and creates a private chain locally, which is equivalent to creatinga node group including the first node. And when other nodes execute the group of creation transactions, the private chain cannot be created locally. And finally, the first node and other nodes write the group of created transactions into a local alliance chain. Through the method, the privacy of the service data butted by the node can be protected.

Description

technical field [0001] The embodiment of this specification relates to the field of information technology, and in particular to a node group-based trading method in a consortium chain network. Background technique [0002] The consortium chain network, also known as the consortium-style blockchain network, generally consists of multiple institutions as members of the consortium, and the nodes controlled by multiple institutions form a consortium chain network. [0003] For each institution that is a member of the alliance, the user connected to the institution can encapsulate the business data of the initiated business into a transaction (data structure specified by the blockchain protocol) and submit it to the corresponding node of the institution, and then the institution will correspond The node broadcasts the transaction to the alliance chain network, and then the nodes in the alliance chain network agree on the transaction and write it into the local blockchain. In th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/23G06F16/27G06Q20/38G06Q40/02G06Q40/04
CPCG06Q20/3825G06Q40/02G06Q40/04G06F16/2379G06F16/27
Inventor 杨文龙夏凝
Owner ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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