CN111415157A - Block chain-based data asset safety circulation method - Google Patents
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Abstract
The invention discloses a block chain-based data asset safety circulation method, and particularly relates to the technical field of data resource transaction, wherein the method comprises the following steps: the data supplier records the data ownership information to the block chain; and a second process: generating a data right identification in the block chain and transmitting the data right identification to a data supplier; and a third process: the data demander records the information of the required data to the block chain; and (4) a fourth process: recording data circulation information to a block chain in a data circulation process; and a fifth process: the whole data circulation process is monitored by the data management and control module, the monitoring result is recorded in the block chain, and a data demand party can perform source tracing query according to the data identification. According to the invention, the right information of the data, the description information of the data and the circulation information of the data are respectively recorded in the block chain, so that the transaction tracing is realized, the data source can be checked, and the safety and the privacy of data circulation are ensured.
Description
Technical Field
The invention relates to the technical field of data resource transaction, in particular to a safe data asset circulation method based on a block chain.
Background
Data distribution refers to the behavior of data as an object between a data provider and a data consumer according to a certain distribution rule. In this case, the data is separated from the original usage scenario, and the usage purpose is changed. With the gradually accepted resource value of data and the increasingly complete structure of big data industry chain, the demand of data circulation in China is increasingly urgent. Data circulation enables data to be transferred from a data generation end to a data application end no matter sharing or trading, resource allocation is optimized, and the data circulation becomes an important link for releasing data value. Data circulation in China, particularly data circulation in the transaction industry, still faces serious problems, such as extremely outstanding data privacy protection problem, accurate definition of data right problem, lack of unified consensus in standards of all links of data circulation, rampant data transaction and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention records the right information of the data, the description information of the data and the circulation information of the data to the block chain respectively, thereby realizing transaction tracing and ensuring the data source to be searchable, thereby ensuring the safety and the privacy of data circulation.
The invention relates to a block chain-based data asset safety circulation method, which comprises the following flows:
the first process is as follows: the data supplier records the data ownership information to the block chain, encrypts the data ownership information to obtain a private key signature and creates an intelligent contract;
and a second process: generating a data right identification in the block chain and transmitting the data right identification to a data supplier;
and a third process: the data demand side records the information of the required data to a block chain, fills in a contract for applying for using the data and acquires a secret key;
and (4) a fourth process: the data supplier verifies the request of the data demander, if the verification is successful, the data demander can use the data, if the verification is unsuccessful, the data demander cannot use the data, and data circulation information is recorded to the block chain in the data circulation process;
and a fifth process: the whole process of the first process, the second process, the third process and the fourth process is monitored by the data control module, and the monitoring result is recorded in the block chain, so that the data demand side can perform source tracing query according to the data identification.
Further, the data right information generates a hash value of the data right through a hash algorithm, and the hash value of the data right is stored on the block chain.
Further, the validation token for the blockchain includes a digital certificate record number, data description information, a data digest, and a data provider digital signature.
Furthermore, the data supplier and the data demander are self-growing nodes, and both the data supplier and the data demander keep a set of independent data accounts, and the data of each client is consistent.
Further, the logic layer of the circulation method is divided into a circulation layer, a block layer, a consensus layer and a network layer;
the circulation layer encrypts and transmits the data assets and is mainly used for determining data rights, recording data circulation information and monitoring transaction traceability;
the block layer adopts a block chain structure, asymmetric encryption and a model based on transaction to continuously track each data of transaction data;
the consensus layer adopts a consensus algorithm to encrypt and decrypt data, so that a data demand party and a data supply party achieve consensus;
the network layer encapsulates a CA authentication mechanism, a peer-to-peer network mechanism and a distributed networking mechanism, identity authentication and access control are carried out on data users, all the data users can form peer-to-peer network nodes, and the stability and the safety of the operation of the whole system cannot be influenced by the invalidation, exit and addition of a plurality of nodes in the system and even the existence of malicious nodes.
Further, the circulation information includes information of a data supplier and a data demander
The invention has the beneficial effects that: the invention discloses a data asset safety circulation method based on a block chain, which can improve the key problems of data circulation such as data asset registration, data traceability and the like through the block chain technology, and the characteristics of openness, autonomy and decentralization of the block chain technology are suitable for data transaction traceability.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic illustration of a data asset circulation flow diagram;
FIG. 2 is a diagram of a data flow logical layer analysis.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to a block chain-based data asset safety circulation method, which comprises the following flows:
the first process is as follows: the data supplier records the data ownership information to the block chain, encrypts the data ownership information to obtain a private key signature and creates an intelligent contract;
and a second process: generating a data right identification in the block chain and transmitting the data right identification to a data supplier;
and a third process: the data demand side records the information of the required data to a block chain, fills in a contract for applying for using the data and acquires a secret key;
and (4) a fourth process: the data supplier verifies the request of the data demander, if the verification is successful, the data demander can use the data, if the verification is unsuccessful, the data demander cannot use the data, and data circulation information is recorded to the block chain in the data circulation process;
and a fifth process: the whole process of the first process, the second process, the third process and the fourth process is monitored by the data control module, and the monitoring result is recorded in the block chain, so that the data demand side can perform source tracing query according to the data identification.
According to the invention, ownership information, description information and circulation information of data in data asset circulation are respectively recorded in the block chain, real-time monitoring is carried out on the whole process of data asset circulation, and all information of data transaction is linked, so that transaction tracing is realized, the data source is searchable, and the safety and privacy of data circulation are ensured.
In this embodiment of the present application, the data right information generates a hash value of the data right through a hash algorithm, and the hash value of the data right is stored on the block chain.
In an embodiment of the present application, the validation token of the blockchain includes a digital certificate record number, data description information, a data digest, and a data provider digital signature.
In the embodiment of the application, the data supplier and the data demander are self-growing nodes, and both maintain a set of independent data accounts, and the data of each client is consistent.
In the embodiment of the application, the logic layer of the circulation method is divided into a circulation layer, a block layer, a consensus layer and a network layer;
the circulation layer is used for encrypting and transmitting data assets and is mainly used for determining data rights, recording data circulation information and monitoring transaction traceability, and a data provider is used for encrypting and transmitting own data more easily and conveniently realizing the right-determining management of the data by relying on a network layer, a consensus layer and a block layer compared with a traditional data circulation platform. The data circulation platform faces the encrypted data, so that self-verification clearing is easier, and the flooding copying of the circulating data is avoided. By means of the traceability function of the block chain system, the data owner can track the current circulation situation of the data, authorization verification of the data owner is required for each use of the data, autonomous control over owned data by a data provider is achieved, the data demander can trace the source of the data, authenticity of data analysis is guaranteed, and accuracy and effectiveness of the data analysis are improved;
the block layer adopts a block chain structure, asymmetric encryption and a transaction-based model to continuously track each data of transaction data, adopts a compound accounting method model different from a common commercial bank, namely a transaction-based model, namely a unspent transaction output (UTXO) model, and is more suitable for the control and tracing of data transaction. Besides, the historical transaction information buckled by the ring is realized through a block chain type data structure, and the encryption and decryption of a public key and a private key are realized through an asymmetric cryptography technology, so that the operations of data authentication, data chain linking and the like before data transaction are facilitated;
the consensus layer adopts a consensus algorithm to encrypt and decrypt data, so that a data demand party and a data supply party achieve consensus;
the network layer encapsulates a CA authentication mechanism, a peer-to-peer network mechanism and a distributed networking mechanism, identity authentication and access control are carried out on data users, all the data users can form peer-to-peer network nodes, the stability and the safety of the operation of the whole system cannot be influenced by the invalidation, exit and addition of a plurality of nodes in the system and even the existence of malicious nodes, and the network layer is deployed in a mode of a permission chain. In the aspect of identity authentication, an industry-class or regional-class electronic commerce authentication and authorization mechanism is used for identity authentication and access control. The whole network is a peer-to-peer network, and the failure, exit and join of a plurality of nodes in the system, even the existence of malicious nodes, can not influence the stability and the safety of the operation of the whole system.
In the embodiment of the application, the circulation information comprises information of a data supplier and a data demander, so that data tracing is facilitated.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. A safe circulation method of data assets based on a block chain is characterized in that the circulation method flow comprises the following steps:
the first process is as follows: the data supplier records the data ownership information to the block chain, encrypts the data ownership information to obtain a private key signature and creates an intelligent contract;
and a second process: generating a data right identification in the block chain and transmitting the data right identification to a data supplier;
and a third process: the data demand side records the information of the required data to a block chain, fills in a contract for applying for using the data and acquires a secret key;
and (4) a fourth process: the data supplier verifies the request of the data demander, if the verification is successful, the data demander can use the data, if the verification is unsuccessful, the data demander cannot use the data, and data circulation information is recorded to the block chain in the data circulation process;
and a fifth process: the whole process of the first process, the second process, the third process and the fourth process is monitored by the data control module, and the monitoring result is recorded in the block chain, so that the data demand side can perform source tracing query according to the data identification.
2. The block chain-based data asset secure circulation method according to claim 1, characterized in that: and the data right information generates a hash value of the data right through a hash algorithm, and the hash value of the data right is stored on the block chain.
3. The block chain-based data asset secure circulation method according to claim 1, characterized in that: the validation token for the blockchain includes a digital certificate record number, data description information, a data digest, and a data provider digital signature.
4. The block chain-based data asset secure circulation method according to claim 1, characterized in that: the data supplier and the data demander are self-growing nodes, and both the data supplier and the data demander keep a set of independent data accounts, and the data of each client is consistent.
5. The block chain-based data asset secure circulation method according to claim 1, characterized in that: the logic layer of the circulation method is divided into a circulation layer, a block layer, a consensus layer and a network layer;
the circulation layer encrypts and transmits the data assets and is mainly used for determining data rights, recording data circulation information and monitoring transaction traceability;
the block layer adopts a block chain structure, asymmetric encryption and a model based on transaction to continuously track each data of transaction data;
the consensus layer adopts a consensus algorithm to encrypt and decrypt data, so that a data demand party and a data supply party achieve consensus;
the network layer encapsulates a CA authentication mechanism, a peer-to-peer network mechanism and a distributed networking mechanism, identity authentication and access control are carried out on data users, all the data users can form peer-to-peer network nodes, and the stability and the safety of the operation of the whole system cannot be influenced by the invalidation, exit and addition of a plurality of nodes in the system and even the existence of malicious nodes.
6. The block chain-based data asset secure circulation method according to claim 1, characterized in that: the circulation information includes information of a data supplier and a data demander.
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| CN111931238A (en) * | 2020-09-15 | 2020-11-13 | 支付宝(杭州)信息技术有限公司 | Block chain-based data asset transfer method, device and equipment |
| CN112634058A (en) * | 2020-12-22 | 2021-04-09 | 无锡井通网络科技有限公司 | Data mutual trust and mutual sharing and intercommunication platform based on block chain |
| WO2022083490A1 (en) * | 2020-10-23 | 2022-04-28 | 国网福建省电力有限公司 | Blockchain-based data product trusted transaction method |
| US11341284B2 (en) | 2020-09-04 | 2022-05-24 | Alipay (Hangzhou) Information Technology Co., Ltd. | Trusted hardware-based data management methods, apparatuses, and devices |
| US11354447B2 (en) | 2020-08-28 | 2022-06-07 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data authorization information acquisition methods, apparatuses, and devices |
| US11362815B2 (en) | 2020-08-28 | 2022-06-14 | Alipay (Hangzhou) Information Technology Co., Ltd. | Trusted data transmission methods, apparatuses, and devices |
| US11386191B2 (en) | 2020-09-15 | 2022-07-12 | Alipay (Hangzhou) Information Technology Co., Ltd. | Trusted hardware-based identity management methods, apparatuses, and devices |
| CN114884674A (en) * | 2022-04-29 | 2022-08-09 | 蚂蚁区块链科技(上海)有限公司 | Block chain-based user data transfer method, device and equipment |
| US11455417B2 (en) | 2020-09-04 | 2022-09-27 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data processing methods, apparatuses, and devices |
| US11494511B2 (en) | 2020-09-15 | 2022-11-08 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data processing methods, apparatuses, and devices |
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| US11614929B2 (en) | 2020-08-28 | 2023-03-28 | Alipay (Hangzhou) Information Technology Co., Ltd. | Identity registration methods, apparatuses, and devices |
| US11652879B2 (en) | 2020-08-28 | 2023-05-16 | Alipay (Hangzhou) Information Technology Co., Ltd. | Matching methods, apparatuses, and devices based on trusted asset data |
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| US11604894B2 (en) | 2020-07-24 | 2023-03-14 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data processing methods, apparatuses, devices, and media |
| US11362815B2 (en) | 2020-08-28 | 2022-06-14 | Alipay (Hangzhou) Information Technology Co., Ltd. | Trusted data transmission methods, apparatuses, and devices |
| US11652879B2 (en) | 2020-08-28 | 2023-05-16 | Alipay (Hangzhou) Information Technology Co., Ltd. | Matching methods, apparatuses, and devices based on trusted asset data |
| US11614929B2 (en) | 2020-08-28 | 2023-03-28 | Alipay (Hangzhou) Information Technology Co., Ltd. | Identity registration methods, apparatuses, and devices |
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| US11386191B2 (en) | 2020-09-15 | 2022-07-12 | Alipay (Hangzhou) Information Technology Co., Ltd. | Trusted hardware-based identity management methods, apparatuses, and devices |
| CN111931238A (en) * | 2020-09-15 | 2020-11-13 | 支付宝(杭州)信息技术有限公司 | Block chain-based data asset transfer method, device and equipment |
| US11494511B2 (en) | 2020-09-15 | 2022-11-08 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data processing methods, apparatuses, and devices |
| CN113255005A (en) * | 2020-09-15 | 2021-08-13 | 支付宝(杭州)信息技术有限公司 | Block chain-based data asset transfer method, device and equipment |
| CN111931238B (en) * | 2020-09-15 | 2021-05-04 | 支付宝(杭州)信息技术有限公司 | Block chain-based data asset transfer method, device and equipment |
| US11726968B2 (en) | 2020-09-15 | 2023-08-15 | Alipay (Hangzhou) Information Technology Co., Ltd. | Methods, apparatuses, and devices for transferring data assets based on blockchain |
| WO2022083490A1 (en) * | 2020-10-23 | 2022-04-28 | 国网福建省电力有限公司 | Blockchain-based data product trusted transaction method |
| CN112634058A (en) * | 2020-12-22 | 2021-04-09 | 无锡井通网络科技有限公司 | Data mutual trust and mutual sharing and intercommunication platform based on block chain |
| CN114884674A (en) * | 2022-04-29 | 2022-08-09 | 蚂蚁区块链科技(上海)有限公司 | Block chain-based user data transfer method, device and equipment |
| CN114884674B (en) * | 2022-04-29 | 2024-01-23 | 蚂蚁区块链科技(上海)有限公司 | User data circulation method, device and equipment based on block chain |
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