CN110225032B - Business data transaction method and equipment - Google Patents
Business data transaction method and equipment Download PDFInfo
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- CN110225032B CN110225032B CN201910499748.3A CN201910499748A CN110225032B CN 110225032 B CN110225032 B CN 110225032B CN 201910499748 A CN201910499748 A CN 201910499748A CN 110225032 B CN110225032 B CN 110225032B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Abstract
The application discloses a business data transaction method and equipment thereof, wherein the method comprises the following steps: a block chain node receives a data uplink request sent by a first client; performing a uplink operation of the data uplink request; receiving a data purchase request sent by a second client; triggering a verification intelligent contract, executing the verification of the balance corresponding to the second client address by the verification intelligent contract, and freezing the purchase price after the verification is passed; sending a transaction request to the first client; the block chain node receives a transaction response sent by the first client; and triggering a transaction intelligent contract, wherein the transaction intelligent contract executes the transfer of the purchase price and links up the data encrypted by the public key of the second client. The method ensures that the data transaction chaining and the transaction process are recorded on the blockchain, ensures the transaction safety and benefits of both parties of the transaction, solves the data transaction requirements of the user, and has good data transaction experience of the user.
Description
Technical Field
The present application relates to the field of blockchain technologies, and in particular, to a transaction method and device for business data.
Background
At present, a block chain, the internet of things and artificial intelligence are listed as three major technologies of future technologies. The block chain technology is based on a decentralized peer-to-peer network, and open source software is used for combining a cryptography principle, time sequence data and a consensus mechanism to ensure the consistency and the persistence of each node in a distributed database, so that information can be immediately verified and traceable, but is difficult to tamper and cannot be shielded, and a private, efficient and safe shared value system is created.
However, only digital money transfers are available on the current blockchain, and data transactions cannot be performed; data transaction scenarios are increasing; for example: reviews of movies, research data of commodities.
Therefore, it is desirable to find a way to conduct data transactions over a blockchain.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
Disclosure of Invention
In order to solve the above problems, the present application provides a business data transaction method and a device thereof, which enable data transaction to be linked up, and the data transaction process is public and transparent, thereby ensuring the benefits of both parties of the data transaction.
In a first aspect, the present application provides a transaction method for business data, where the method includes:
the method comprises the steps that a block chain node receives a data uplink request sent by a first client, wherein the data uplink request comprises data encrypted by a public key of the first client and a preset price of the data;
the block chain node performs an uplink operation of the data uplink request;
the block chain node receives a data purchase request sent by a second client, wherein the data purchase request comprises a data purchase price, and the data purchase price comprises a preset price of the data;
triggering a verification intelligent contract, executing the verification of the balance corresponding to the second client address by the verification intelligent contract, and freezing the purchase price after the verification is passed;
the block link node sends a transaction request to the first client, the transaction request including the second client public key, so that the first client encrypts the data with the second client public key;
the blockchain node receives a transaction response sent by the first client, wherein the transaction response comprises data encrypted by the public key of the second client;
and triggering a transaction intelligent contract, wherein the transaction intelligent contract executes the transfer of the purchase price and links up the data encrypted by the public key of the second client.
In one possible implementation, the method further includes:
the block chain node receives the data query request sent by the second client;
and the block chain node sends the data query response to the second client, wherein the data response comprises the data encrypted by the public key of the second client, so that the second client decrypts the data encrypted by the public key of the second client by using a self private key.
In one possible implementation, the data purchase price further includes a service fee for the block-linked point assisted transaction.
In a possible implementation manner, the data is service data, and the service data includes a service data associated attribute and a service data non-associated attribute; wherein the content of the first and second substances,
and automatically associating and superposing the values of the business data association attributes.
In a possible implementation manner, the encrypting the data by the first client using its own public key specifically includes: the first client encrypts the data in a preset proportion by using a self public key; and/or
The first client encrypts the data with the public key of the second client, specifically: and the first client encrypts the data in a preset proportion by using the public key of the second client.
The second aspect of the present application provides a transaction device for business data, where the device is a block link point, and the block link point includes a receiving unit, a processing unit, and a transmitting unit; wherein the content of the first and second substances,
the receiving unit receives a data uplink request sent by a first client, wherein the data uplink request comprises data encrypted by a public key of the first client and a preset price of the data;
the processing unit is used for executing uplink operation of the data uplink request;
the receiving unit is used for receiving a data purchase request sent by a second client, wherein the data purchase request comprises a data purchase price, and the data purchase price comprises a preset price of the data;
the processing unit triggers a check intelligent contract, the check intelligent contract executes the check of balance corresponding to the second client address, and after the check is passed, the purchase price is frozen;
the sending unit sends a transaction request to the first client, wherein the transaction request comprises the second client public key so that the first client can encrypt the data by using the second client public key;
the receiving unit is used for receiving a transaction response sent by the first client, wherein the transaction response comprises data encrypted by the public key of the second client;
and the processing unit triggers a transaction intelligent contract, the transaction intelligent contract executes the transfer of the purchase price, and links up the data encrypted by the public key of the second client.
In a possible implementation manner, the receiving unit receives the data query request sent by the second client; the sending unit sends the data query response to the second client, where the data response includes the data encrypted by the public key of the second client, so that the second client decrypts the data encrypted by the public key of the second client by using its own private key.
In one possible implementation, the data purchase price further includes a service fee for the block-linked point assisted transaction.
In a possible implementation manner, the data is service data, and the service data includes a service data associated attribute and a service data non-associated attribute; and automatically associating and superposing the values of the business data association attributes.
In a possible implementation manner, the encrypting the data by the first client using its own public key specifically includes: the first client encrypts the data in a preset proportion by using a self public key; and/or
The first client encrypts the data with the public key of the second client, specifically: and the first client encrypts the data in a preset proportion by using the public key of the second client.
According to the method and the device, the transaction cochain of the data is realized, the characteristics of non-falsification and traceability of the block chain are utilized, the transaction process is recorded on the block chain, the transaction safety and benefits of both transaction parties are guaranteed, the data transaction requirements of users are met, and the data transaction experience of the users is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
Fig. 1 is a schematic flow chart of a business data transaction method according to an embodiment of the present application;
fig. 2 is a schematic flow chart of another business data transaction method provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram of a transaction device for business data according to an embodiment of the present application.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the order of such use may be interchanged under appropriate circumstances such that embodiments of the invention described herein may be practiced in other orders than those illustrated or described herein.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The node and the client referred to in the embodiment of the application may be understood as an abstract machine that responds to an external specific trigger condition and performs state conversion according to a certain rule, and may be devices that can be networked according to application software, such as a mobile phone, a tablet computer, a palm computer, a personal PC, and the like.
As shown in fig. 1, a transaction method of business data includes steps S101-S107.
S101, a block chain node receives a data uplink request sent by a first client, wherein the data uplink request comprises data encrypted by a public key of the first client and a preset price of the data.
S102, the block chain node performs an uplink operation of the data uplink request.
S103, the block chain node receives a data purchase request sent by a second client, wherein the data purchase request comprises a data purchase price, and the data purchase price comprises a preset price of the data.
And S104, triggering a verification intelligent contract, executing the verification of the balance corresponding to the second client address by the verification intelligent contract, and freezing the purchase price after the verification is passed.
S105, the block link sends a transaction request to the first client, where the transaction request includes the second client public key, so that the first client encrypts the data with the second client public key.
S106, the block chain node receives a transaction response sent by the first client, and the transaction response comprises data encrypted by the public key of the second client.
And S107, triggering a transaction intelligent contract, executing the transfer of the purchase price by the transaction intelligent contract, and chaining the data encrypted by the public key of the second client.
In one example, the method further comprises: the block chain node receives the data query request sent by the second client;
and the block chain node sends the data query response to the second client, wherein the data response comprises the data encrypted by the public key of the second client, so that the second client decrypts the data encrypted by the public key of the second client by using a self private key.
In one example, the data purchase price further includes a service fee for the block-linked point assist transaction.
In one example, the data is service data, and the service data comprises a service data associated attribute and a service data non-associated attribute; wherein the content of the first and second substances,
and automatically associating and superposing the values of the business data association attributes.
In one example, the first client encrypts the data with its own public key, specifically: the first client encrypts the data in a preset proportion by using a self public key; and/or
The first client encrypts the data with the public key of the second client, specifically: and the first client encrypts the data in a preset proportion by using the public key of the second client.
As shown in fig. 2, a business data transaction method of the present application is described, which includes S201 to S214.
S201, the first client encrypts data by using the own public key.
The data in the application is service data, and the service data is divided into two attributes, namely an associated attribute and a non-associated attribute. For example: the user comment content belongs to the non-associated attribute, and the comment content of each user can be stored in the block chain; when one merchant needs to purchase the evaluation of a certain commodity, the merchant can purchase the evaluation of the commodity for a plurality of users, the operation is carried out from the block chain, the disclosure is transparent, and the benefits of the merchant and the users can be guaranteed at the same time. For example: the number of the user comment contents is the correlation attribute, the business data format of a commodity comprises the comment number, and the comment number of the commodity can be automatically superposed as long as a user comments on the commodity; another example is: the transaction frequency of the business data in the application is an associated attribute, and the attribute value is automatically increased by 1 every time the business data is transacted.
S202, the first client sends a data uplink request to the blockchain node, where the data uplink request includes the encrypted data and a preset price of the data.
S203, the block node-point will perform an uplink operation on the data uplink request.
The service data uplink process, which is not described herein, includes: under the consensus mechanism of the workload certification PoW, after the service data is packaged and verified, the nodes broadcast to all the nodes for data synchronization.
S204, the block node sends a data uplink response to the first client.
S205, the block node receives a data purchase request sent by the second client, where the data purchase request includes a data purchase price, and the data purchase price includes a data preset price.
The second client is a data purchaser and issues a purchase request of the business data on the blockchain; after the business data is inquired, a purchase request is sent to the block chain nodes. At this time, the data purchase request further includes data to be purchased, where the data to be purchased is indicated, and the data may be a data identifier; or the user can be the user corresponding to the second client, and the user directly clicks for purchase after looking up the data which is wanted to be purchased on the second client.
At this time, the first client encrypts the service data by using its own public key, which may be partial key field encryption, or encryption according to a preset ratio (for example, encrypting two thirds of the service data), and the purchaser of the service data cannot view the service data without purchasing the service data.
The purchase request includes the price predetermined by the owner of the service data, and also includes a transaction service fee, i.e. the service fee of the block link point for performing uplink operation; the transaction service fee is paid by a purchaser of the transaction data.
The purchaser of the business data needs to have digital currency to purchase the business data on the block chain; the digital currency owned by the business data buyer can be digital currency obtained by selling the other business data as the owner of the other business data; the digital currency can be used on the blockchain. This is not explained in detail in the present application.
And S206, triggering a verification intelligent contract, verifying the balance corresponding to the second client address by the verification intelligent contract, and freezing the purchase price after the verification is passed.
It should be noted that, in the block chain, the address of the second client corresponds to the balance thereof; and (4) the verification is passed, namely the balance corresponding to the address of the second client is sufficient, and the purchase price of the data transaction is only required to be frozen.
At this time, the purchase price of the data needs to be frozen after the verification is passed; if the verification fails, the balance of the second client address does not need to be frozen, and subsequent steps are not executed.
And S207, the block chain node sends a transaction request to the first client, wherein the transaction request comprises the public key of the second client.
And S208, the first client encrypts the data by using the second client public key.
S209, the first client sends a transaction response to the blockchain node, where the transaction response includes data encrypted by the public key of the second client.
And S210, triggering a transaction intelligent contract, executing the transfer of the purchase price by the transaction intelligent contract, and performing chain linking operation on the data encrypted by the public key of the second client.
And S211, the block chain node sends a data purchase response to the second client.
S212, the second client sends a data query request to the blockchain node.
And S213, the block chain node sends a data query response to the second client, wherein the data query response comprises the data encrypted by the public key of the second client.
And S214, the second client decrypts the data encrypted by the public key of the second client by using the private key of the second client.
According to the method, the data transaction is linked, and the transaction process is recorded on the blockchain by utilizing the characteristics of non-falsification and traceability of the blockchain, so that the transaction safety and benefits of both transaction parties are ensured, the data transaction requirements of users are met, and the data transaction experience of the users is good.
As shown in fig. 3, a transaction device for service data is a block link point, and the block link point includes a receiving unit, a processing unit, and a transmitting unit.
The receiving unit receives a data uplink request sent by a first client, wherein the data uplink request comprises data encrypted by a public key of the first client and a preset price of the data.
The processing unit executes an uplink operation of the data uplink request.
The receiving unit receives a data purchase request sent by a second client, wherein the data purchase request comprises a data purchase price, and the data purchase price comprises a preset price of the data.
And the processing unit triggers a check intelligent contract, the check intelligent contract executes the check of the balance corresponding to the second client address, and after the check is passed, the purchase price is frozen.
The sending unit sends a transaction request to the first client, where the transaction request includes the second client public key, so that the first client encrypts the data with the second client public key.
The receiving unit receives a transaction response sent by the first client, wherein the transaction response comprises data encrypted by the public key of the second client.
And the processing unit triggers a transaction intelligent contract, the transaction intelligent contract executes the transfer of the purchase price, and links up the data encrypted by the public key of the second client.
In one example, the receiving unit receives the data query request sent by the second client; the sending unit sends the data query response to the second client, where the data response includes the data encrypted by the public key of the second client, so that the second client decrypts the data encrypted by the public key of the second client by using its own private key.
In one example, the data purchase price further includes a service fee for the block-linked point assist transaction.
In one example, the data is service data, and the service data comprises a service data associated attribute and a service data non-associated attribute; and automatically associating and superposing the values of the business data association attributes.
In one example, the first client encrypts the data with its own public key, specifically: the first client encrypts the data in a preset proportion by using a self public key; and/or the first client encrypts the data with the public key of the second client, specifically: and the first client encrypts the data in a preset proportion by using the public key of the second client.
According to the method and the device, the transaction cochain of the data is realized, the characteristics of non-falsification and traceability of the block chain are utilized, the transaction process is recorded on the block chain, the transaction safety and benefits of both transaction parties are guaranteed, the data transaction requirements of users are met, and the data transaction experience of the users is good.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A method for transaction of business data, the method comprising:
the method comprises the steps that a block chain node receives a data uplink request sent by a first client, wherein the data uplink request comprises data encrypted by a public key of the first client and a preset price of the data;
the block chain node performs an uplink operation of the data uplink request;
the block chain node receives a data purchase request sent by a second client, wherein the data purchase request comprises a data purchase price, and the data purchase price comprises a preset price of the data;
triggering a verification intelligent contract, executing the verification of balance corresponding to the second client address by the verification intelligent contract, and freezing the data purchase price after the verification is passed;
the block link node sends a transaction request to the first client, the transaction request including the second client public key, so that the first client encrypts the data with the second client public key;
the blockchain node receives a transaction response sent by the first client, wherein the transaction response comprises data encrypted by the public key of the second client;
and triggering a transaction intelligent contract, wherein the transaction intelligent contract executes the transfer of the purchase price and links up the data encrypted by the public key of the second client.
2. The method of claim 1, further comprising:
the block chain node receives a data query request sent by the second client;
and the block chain node sends a data query response to the second client, wherein the data query response comprises the data encrypted by the public key of the second client, so that the second client decrypts the data encrypted by the public key of the second client by using the private key of the second client.
3. The method of claim 1, wherein the data purchase price further comprises a service fee for the block-linked point assisted transaction.
4. The method of claim 1, wherein the data is service data, and the service data comprises a service data associated attribute and a service data non-associated attribute; wherein the content of the first and second substances,
and automatically associating and superposing the values of the business data association attributes.
5. The method according to claim 1, wherein the first client encrypts the data with its own public key, specifically: the first client encrypts the data in a preset proportion by using a self public key; and/or
The first client encrypts the data with the public key of the second client, specifically: and the first client encrypts the data in a preset proportion by using the public key of the second client.
6. The transaction equipment of the business data is characterized in that the equipment is a block chain node, and the block chain node comprises a receiving unit, a processing unit and a sending unit; wherein the content of the first and second substances,
the receiving unit receives a data uplink request sent by a first client, wherein the data uplink request comprises data encrypted by a public key of the first client and a preset price of the data;
the processing unit is used for executing uplink operation of the data uplink request;
the receiving unit is used for receiving a data purchase request sent by a second client, wherein the data purchase request comprises a data purchase price, and the data purchase price comprises a preset price of the data;
the processing unit triggers a check intelligent contract, the check intelligent contract executes the check of balance corresponding to the second client address, and after the check is passed, the purchase price is frozen;
the sending unit sends a transaction request to the first client, wherein the transaction request comprises the second client public key so that the first client can encrypt the data by using the second client public key;
the receiving unit is used for receiving a transaction response sent by the first client, wherein the transaction response comprises data encrypted by the public key of the second client;
and the processing unit triggers a transaction intelligent contract, the transaction intelligent contract executes the transfer of the purchase price, and links up the data encrypted by the public key of the second client.
7. The apparatus of claim 6,
the receiving unit is used for receiving a data query request sent by the second client;
and the sending unit sends a data query response to the second client, wherein the data query response comprises the data encrypted by the public key of the second client, so that the second client decrypts the data encrypted by the public key of the second client by using the private key of the second client.
8. The apparatus of claim 6, wherein the data purchase price further comprises a service fee for the block-link point-assisted transaction.
9. The apparatus of claim 6, wherein the data is service data, and the service data comprises a service data associated attribute and a service data non-associated attribute; wherein the content of the first and second substances,
and automatically associating and superposing the values of the business data association attributes.
10. The device according to claim 6, wherein the first client encrypts the data with its own public key, specifically: the first client encrypts the data in a preset proportion by using a self public key; and/or
The first client encrypts the data with the public key of the second client, specifically: and the first client encrypts the data in a preset proportion by using the public key of the second client.
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| SG11202006576UA (en) | 2019-09-11 | 2020-08-28 | Alibaba Group Holding Ltd | System and method for digital asset management |
| CN111213173B (en) * | 2019-09-11 | 2023-11-17 | 创新先进技术有限公司 | System and method for controlling restrictions on digital assets |
| EP3695362A4 (en) | 2019-09-11 | 2020-12-23 | Alibaba Group Holding Limited | System and method for digital asset transfer |
| CN114926078B (en) * | 2022-06-06 | 2023-04-07 | 国网区块链科技(北京)有限公司 | Real-time power demand response method based on block chain and related equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109658240A (en) * | 2018-11-20 | 2019-04-19 | 深圳变设龙信息科技有限公司 | A kind of data trade method, apparatus and terminal device based on block chain |
| CN109754250A (en) * | 2018-12-27 | 2019-05-14 | 石更箭数据科技(上海)有限公司 | Data trade method and system, platform, storage medium |
| CN109754249A (en) * | 2018-12-27 | 2019-05-14 | 石更箭数据科技(上海)有限公司 | Data trade method and system, platform, storage medium |
| CN109858228A (en) * | 2019-01-31 | 2019-06-07 | 上海计算机软件技术开发中心 | Data sharing service platform and method based on block chain |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170011460A1 (en) * | 2015-07-09 | 2017-01-12 | Ouisa, LLC | Systems and methods for trading, clearing and settling securities transactions using blockchain technology |
| US10565192B2 (en) * | 2017-08-01 | 2020-02-18 | International Business Machines Corporation | Optimizing queries and other retrieve operations in a blockchain |
-
2019
- 2019-06-11 CN CN201910499748.3A patent/CN110225032B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109658240A (en) * | 2018-11-20 | 2019-04-19 | 深圳变设龙信息科技有限公司 | A kind of data trade method, apparatus and terminal device based on block chain |
| CN109754250A (en) * | 2018-12-27 | 2019-05-14 | 石更箭数据科技(上海)有限公司 | Data trade method and system, platform, storage medium |
| CN109754249A (en) * | 2018-12-27 | 2019-05-14 | 石更箭数据科技(上海)有限公司 | Data trade method and system, platform, storage medium |
| CN109858228A (en) * | 2019-01-31 | 2019-06-07 | 上海计算机软件技术开发中心 | Data sharing service platform and method based on block chain |
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