Blockchain transaction processing method and device, and blockchain node

A transaction processing and blockchain technology, applied in the blockchain field, can solve problems such as blockchain user privacy leakage

Active Publication Date: 2020-07-17
ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under this transaction processing mechanism, all participants can know the transaction data, which opens a door for blockchain user privacy leakage

Method used

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  • Blockchain transaction processing method and device, and blockchain node
  • Blockchain transaction processing method and device, and blockchain node
  • Blockchain transaction processing method and device, and blockchain node

Examples

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Embodiment Construction

[0058] The subject matter described herein will be discussed below with reference to example implementations. It should be understood that the discussion of these implementations is only to enable those skilled in the art to better understand and realize the subject matter described herein, and is not intended to limit the protection scope, applicability or examples set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as needed. Additionally, features described with respect to some examples may also be combined in other examples.

[0059] As used herein, the term "comprising" and its variants represent open terms meaning "including but not limited to". The term "based on" means "based at least in part on". The terms "one embodiment" and "an embodiment" mean "at least one embodiment." The term "anoth...

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Abstract

The present disclosure relates to a blockchain transaction processing method and device and a blockchain node. In one aspect, the block chain transaction processing method includes: when receiving the private transaction data sent by the client, encrypting the private transaction data with the encryption key agreed in the corresponding block chain node group to generate encrypted private transaction data; and sending the encrypted private transaction data to each consensus blockchain node in the blockchain network, so as to perform consensus processing on the private transaction data. On the other hand, the block chain transaction processing method includes: when receiving the encrypted private transaction data, performing consensus processing on the encrypted private transaction data; The decryption key agreed in the packet decrypts the encrypted private transaction data; and when the decryption is successful, executes processing on the decrypted private transaction data.

Description

technical field [0001] The present disclosure relates to the technical field of blockchain, and in particular, to a blockchain transaction processing method and device and a blockchain node. Background technique [0002] A legal transaction in a blockchain system usually includes an initiator, receiver, and transaction details. In the traditional blockchain system, each participant (that is, the blockchain node) maintains a common ledger, and can view and verify the transaction data of other participants, so as to avoid transaction fraud such as "double spending". However, under this transaction processing mechanism, all participants can know the transaction data, which opens a door for blockchain user privacy leakage. Therefore, the prior art needs a solution capable of avoiding leakage of user privacy. Contents of the invention [0003] In view of the above, the present disclosure provides a block chain transaction processing method and device, and a block chain node. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/62G06F21/60G06Q40/04
CPCG06F21/602G06F21/6245G06Q40/04
Inventor 李康夏凝杨达一
Owner ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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