Block-chain-based data rights protection method

A blockchain and data technology, applied in the field of data security, can solve the problems of unrealized and lack of smart contracts, and achieve the effects of avoiding misinterpretation problems, ensuring benefits, and saving manpower and material costs

Active Publication Date: 2017-04-26
FUDAN UNIV
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Problems solved by technology

However, due to the lack of digital systems and technologies supporting programmable con

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  • Block-chain-based data rights protection method

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Embodiment Construction

[0041] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0042] Such as figure 1 , user A, as the owner of data D, formulates a smart contract based on data circulation strategy in order to protect the data rights and interests in the data circulation process. The strategy includes the price strategy, which limits the scope of the circulation price; includes the competition strategy, which restricts the identity of the data transferee in order to protect commercial interests and security, such as not allowing the data to be circulated to commercial competitors, etc.; also includes For other strategies, one or more circulation strategies can be written into smart contracts through mathematical formalization and deployed on the blockchain system.

[0043] User B, as the transferee user of data D, expects data circulation. Before data circulation, it is necessary to use its identity information and attributes related to the...

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Abstract

The invention belongs to the technical field of data security, and specifically relates to a block-chain-based data rights protection method. The steps of method are as follows: a user owning data formulates data circulation strategies according to data rights that need protection, compiles the circulation strategies into an intelligent contract, and deploys the intelligent contract on a block chain system; and before other users perform data circulation, the user serving as a data transferee needs to use identity information and related data circulation attributes to call the intelligent contract, and the intelligent contract automatically provides an approval result of a circulation application according to the established data circulation strategies: if circulation is allowed, a dynamic circulation authorization code is returned to the transferee user; otherwise application failure is returned. The block-chain-based data rights protection method provided by the invention is an application of a block chain system, removes dependence on a third-party authority organization in a data rights protection process, ensures that the data circulation strategies formulated by the data owner are not maliciously modified, and a strategy execution result is not manually manipulated, thereby providing a just, transparent and credible execution environment for data circulation processes of data transactions, data opening and sharing and the like.

Description

technical field [0001] The invention belongs to the field of data security, and specifically relates to a block chain-based data rights protection method. Background technique [0002] In recent years, with the vigorous development of Internet informatization, human beings have entered the era of big data, and more and more data are generated and recorded. With the increasing maturity of big data technology, the market's demand for data circulation is becoming more and more urgent, and massive data has begun to be listed for trading and open sharing. However, due to the special nature of the data itself and the limitations of the current data circulation model, there are still many problems to be solved in the data circulation process. [0003] The concept of data rights and interests arises in the process of data circulation. The protection of data rights and interests requires the data owner to formulate terms and contracts to stipulate the identity of the data transferee...

Claims

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Application Information

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IPC IPC(8): G06Q40/04G06F21/31
CPCG06F21/31G06Q40/04
Inventor 韩伟力梁蛟郭泽卿何震瀛王晓阳
Owner FUDAN UNIV
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