Data processing method and device based on block chain, equipment and medium

A data processing and block chain technology, applied in the direction of electronic digital data processing, digital data authentication, digital data protection, etc., can solve problems such as difficult to build a federation model safely and quickly

Pending Publication Date: 2020-11-17
WEBANK (CHINA)
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  • Abstract
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Problems solved by technology

[0004] The main purpose of this application is to provide a data processing method, device, device and medium based on blockch

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  • Data processing method and device based on block chain, equipment and medium
  • Data processing method and device based on block chain, equipment and medium
  • Data processing method and device based on block chain, equipment and medium

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Example Embodiment

[0066] It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0067] The embodiment of the present application provides a blockchain-based data processing method. In the first embodiment of the blockchain-based data processing method of the present application, refer to figure 1 , applied to the first participant, the first participant and each second participant perform a federated communication connection through the block chain, and the data processing method based on the block chain includes:

[0068] Step S10, sending the target model data to be processed to the blockchain block for each second participant to perform preset federated modeling with the first participant based on the target model data to be processed;

[0069] Step S20, receiving the federation parameter information encrypted and sent to the blockchain block by each of the second particip...

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Abstract

The invention discloses a data processing method and device based on a block chain, equipment and a medium, and the method comprises the steps: transmitting target to-be-processed model data to a block chain block, so as to enable all second participants to carry out the preset federation modeling with a first participant based on the target to-be-processed model data; receiving each piece of federation parameter information which is respectively encrypted and sent to a block chain block by each second participant in the preset federation modeling process; and determining the participation legality of the corresponding second participant based on each federation parameter information, and determining the contribution degree of each legal second participant. The technical problem that in the prior art, a federated model is difficult to construct safely and quickly is solved.

Description

technical field [0001] This application relates to the field of artificial intelligence technology of financial technology (Fintech), and in particular to a data processing method, device, equipment and medium based on blockchain. Background technique [0002] With the continuous development of financial technology, especially Internet technology and finance, more and more technologies (such as distributed, blockchain, artificial intelligence, etc.) Requirements, such as the financial industry also has higher requirements for blockchain-based data processing. [0003] Federated learning can help multiple data sources jointly train a federated model while protecting user privacy. However, in the existing technology, when building a federated model, each participant directly exchanges data, resulting in security risks during data exchange. And when constructing the federation model, only focus on the effect of the model, and assume that all participants have the same contribu...

Claims

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Application Information

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IPC IPC(8): G06N20/00G06F21/44G06F21/60
CPCG06F21/44G06F21/602G06N20/00
Inventor 谭奔郑文琛
Owner WEBANK (CHINA)
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