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Data trading method and device based on intelligent contract

A technology of smart contracts and transaction methods, applied in the blockchain field, can solve problems such as insecure user information privacy and data leakage on centralized platforms, and achieve the effect of ensuring information privacy and avoiding unauthorized use

Inactive Publication Date: 2018-12-21
WEALEDGER NETWORK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the current data trading platforms in the market, the data owner generally entrusts the data to the centralized platform, and the centralized platform conducts matchmaking transactions. However, the centralized platform faces the suspicion and risk of data leakage, and users are concerned about the data processed by the centralized platform. No right to know; therefore, users' information privacy is extremely insecure

Method used

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  • Data trading method and device based on intelligent contract
  • Data trading method and device based on intelligent contract
  • Data trading method and device based on intelligent contract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] figure 1 It is a smart contract-based data transaction method provided by the embodiment of the present invention, which is applied to the data acquisition terminal, wherein the data acquisition terminal can be any node server in the blockchain network, and the data acquisition terminal in this method mainly It is used to request specific data from the blockchain network, and the specific data is published in the blockchain network in the form of smart contracts; the specific implementation process is as follows:

[0029] Step S201, call the target smart contract, the target smart contract at least includes target data information, target data amount information and the payment address of the data provider.

[0030] The method of the present invention realizes its process based on the block chain network. Block chain technology is also called distributed ledger technology, which is an Internet database technology, which is characterized by decentralization, openness and...

Embodiment 2

[0055] figure 2 It shows another embodiment of the present invention, which provides a data transaction method based on smart contracts, which is applied to the data provider, where the data provider can be any node server in the blockchain network. This method The data acquisition terminal in is mainly used to publish the smart contract containing the target data to the blockchain network, and is used for the data acquisition terminal that needs to use the target data to execute the contract to obtain the data call permission. The specific implementation process is as follows:

[0056] Step S301, write target data information, target data amount information and data provider's payment address information into the target smart contract.

[0057] Step S302: Publish the target smart contract in the blockchain network. When the target smart contract is invoked, if the target data information meets the specified requirements, and the receiving address obtains the specified transa...

Embodiment 3

[0072] image 3 It is a smart contract-based data transaction device provided by the embodiment of the present invention, which is applied to the data acquisition terminal, wherein the data acquisition terminal can be any node server in the blockchain network, and the data acquisition terminal in this method mainly It is used to request specific data from the blockchain network, and the specific data is published in the blockchain network in the form of smart contracts; the details are as follows:

[0073] The calling unit 110 is used to call the target smart contract, and the target smart contract at least includes target data information, target data amount information and the payment address of the data provider.

[0074] The method of the present invention realizes its process based on the block chain network. Block chain technology is also called distributed ledger technology, which is an Internet database technology, which is characterized by decentralization, openness a...

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PUM

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Abstract

The invention is applicable to the field of block chain, in particular to a data trading method and a device based on an intelligent contract, which are applied to a data acquiring end. The method comprises the following steps: a target intelligent contract is called; the target intelligent contract at least comprises target data information, target data amount information and a collection addressof a data provider; the target intelligent contract comprises at least a target data information and a collection address of a data provider. Paying a transaction amount specified in the subject dataamount information to a collection address of the data provider if the subject data information meets a prescribed requirement; ff the payment is successful, the target data information is received.By writing the target data into the intelligent contract and storing the target data in the block chain, The data user only needs to invoke the intelligent contract in the block chain and execute thecontract stipulation through the data acquisition terminal, then the data transaction can be completed, and the whole transaction process is realized in the decentralized environment, thus avoiding the leakage or unauthorized use of the user's data assets by the third party, and effectively protecting the user's information privacy and security.

Description

technical field [0001] The invention belongs to the field of block chains, and in particular relates to a smart contract-based data transaction method and device. Background technique [0002] In the era of big data, the illegal collection and use of personal information is very common, and data monitoring is ubiquitous, all of which pose a huge threat to citizens' information privacy, while traditional privacy laws have not kept up with the trend of the times . Today, when the development and utilization of data resources has become a trend, the path of information privacy protection must be carefully designed in order to achieve a balance between information freedom and privacy protection. [0003] However, in the current data trading platforms in the market, the data owner generally entrusts the data to the centralized platform, and the centralized platform conducts matchmaking transactions. However, the centralized platform faces the suspicion and risk of data leakage, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q40/04
CPCG06Q40/04
Inventor 张伟胡崔亮
Owner WEALEDGER NETWORK TECH CO LTD