CN110223065A - Business datum method of commerce and its equipment on a kind of chain - Google Patents
Business datum method of commerce and its equipment on a kind of chain Download PDFInfo
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- CN110223065A CN110223065A CN201910499746.4A CN201910499746A CN110223065A CN 110223065 A CN110223065 A CN 110223065A CN 201910499746 A CN201910499746 A CN 201910499746A CN 110223065 A CN110223065 A CN 110223065A
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- business datum
- client
- block chain
- public key
- request
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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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
Abstract
This application discloses the business datum method of commerce and its equipment on a kind of chain, this method comprises: block chain node receives the business datum cochain request of the first client；Receive the business datum purchase request of the second client；The verification intelligence contract on block chain is triggered, the intelligent contract of verification carries out remaining sum verification to the purchasing price of the business datum, after remaining sum verification passes through, blocked balance；Receive the Transaction Inquiries request of first client；It sends Transaction Inquiries and responds to first client, the Transaction Inquiries response includes second client public key；The transaction request that first client is sent is received, the transaction request includes the business datum encrypted with second client public key；The transaction intelligence contract on block chain is triggered, the intelligent contract of the transaction executes transferring accounts for the business datum purchasing price.This method can allow business datum trade cochain, be transaction open process it is transparent.
Description
Technical field
This application involves the business datum method of commerce and its equipment in block chain technical field more particularly to a kind of chain.
Background technique
Currently, block chain, Internet of Things and artificial intelligence are listed as three big technologies of future technology.Block chain technology is base
In the peer-to-peer network of decentralization, Cryptography Principles, time series data and common recognition mechanism are combined with open source software, to ensure point
Each node is coherent and lasting in cloth database, so that information is verified, is can be traced immediately, but be difficult to tamper with and can not shield,
To create a set of privacy, shareable value system efficiently, safe.
However, existing block chain network can only carry out money transfer transactions, the transaction of data not can be carried out.Such as: user couple
The evaluation of certain part commodity after the evaluation data cochain, can not trade.
Therefore, how to find and carry out data trade on block chain, become urgent problem to be solved.
Above content is only used for the technical solution that auxiliary understands the application, does not represent and recognizes that above content is existing skill
Art.
Summary of the invention
To solve the above-mentioned problems, the application provides business datum method of commerce and its equipment on a kind of chain, this method
Business datum can be allowed to trade on block chain.
The application first aspect provides the business datum method of commerce on a kind of chain, and the method is handed over applied to business datum
In easy equipment, the business datum traction equipment is block chain node, which comprises
The block chain node receives the business datum cochain request of the first client, the business datum cochain request packet
The business datum for including the default price of business datum and being encrypted with first client public key；
The block chain node executes the uplink operation of the business datum cochain request；
The business datum that the block chain node receives the second client buys request, and the business datum buys request packet
The purchasing price of the business datum is included, the purchasing price of the business datum includes the default price of the business datum；
Trigger the verification intelligence contract on block chain, it is described verify intelligent contract to the purchasing price of the business datum into
The verification of row remaining sum, after remaining sum verification passes through, blocked balance；
The block chain node receives the Transaction Inquiries request of first client, and the inquiry request includes inquiry institute
State whether business datum is purchased, whether the remaining sum of buyer is sufficient；
The block chain node sends Transaction Inquiries and responds to first client, and the Transaction Inquiries response includes institute
State the second client public key；
The block chain node receives the transaction request that first client is sent, and the transaction request includes described in use
The business datum of second client public key encryption；
The transaction intelligence contract on block chain is triggered, the intelligent contract of the transaction executes the business datum purchasing price
It transfers accounts, and uplink operation is executed to the business datum encrypted with second client public key.
In a kind of possible embodiment, the method also includes:
The block chain node receives the business datum inquiry request that second client is sent；
The block chain node sends the business datum and responds to second client, the business datum response bag
The business datum encrypted with the second client public key is included, so that the second client own private key is to the use
The business datum of second client public key encryption is decrypted.
In a kind of possible embodiment, the business datum purchase request further includes that the block chain node will be described
The service charge of business datum cochain.
In a kind of possible embodiment, the business datum includes business datum relating attribute and the non-pass of business datum
It is attribute；Wherein,
The value auto-associating of the business datum relating attribute is superimposed.
In a kind of possible embodiment, the first client own public key encrypts the business datum, tool
Body are as follows: first client carries out the encryption of preset ratio with own public key to the business datum；And/or
First client encrypts the business datum with the public key of second client, specifically: described
One client carries out the encryption of preset ratio with the public key of second client to the business datum.
The application second aspect provides the business datum traction equipment on a kind of chain, and the business datum traction equipment is area
Block chain node, the block chain node include receiving unit, processing unit and transmission unit；Wherein,
The receiving unit receives the business datum cochain request of the first client, the business datum cochain request packet
Include the price of business datum, the gathering address of business datum and the business datum encrypted with first client public key；
The processing unit executes the uplink operation of the business datum cochain request；
The receiving unit, the business datum for receiving the second client buy request, and the business datum buys request packet
The purchasing price of business datum is included, the purchasing price of the business datum includes the price of the business datum；
The processing unit triggers the verification intelligence contract on block chain, and the intelligent contract of the verification is to the business number
According to purchasing price carry out remaining sum verification, remaining sum verification pass through after, blocked balance；
The receiving unit, receives the Transaction Inquiries request of first client, and the inquiry request includes inquiry institute
State whether business datum is purchased, whether the remaining sum of buyer is sufficient；
The transmission unit sends Transaction Inquiries and responds to first client, and the Transaction Inquiries response includes institute
State the second client public key；
The receiving unit, receives the transaction request that first client is sent, and the transaction request includes described in use
The business datum of second client public key encryption；
The processing unit, triggers the transaction intelligence contract on block chain, and the intelligent contract of the transaction executes the business
Data purchasing price is transferred accounts, and executes uplink operation to the business datum encrypted with second client public key.
In a kind of possible embodiment, the receiving unit receives the business that second client is sent
Data inquiry request；
The transmission unit sends the business datum and responds to second client, the business datum response bag
The business datum encrypted with the second client public key is included, so that the second client own private key is to the use
The business datum of second client public key encryption is decrypted.
In a kind of possible embodiment, the business datum purchase request further includes that the block chain node will be described
The service charge of business datum cochain.
In a kind of possible embodiment, the business datum includes business datum relating attribute and the non-pass of business datum
It is attribute；Wherein, the value auto-associating superposition of the business datum relating attribute.
In a kind of possible embodiment, the first client own public key encrypts the business datum, tool
Body are as follows: first client carries out the encryption of preset ratio with own public key to the business datum；And/or
First client encrypts the business datum with the public key of second client, specifically: described
One client carries out the encryption of preset ratio with the public key of second client to the business datum.
The application can allow the business datum of user to be traded on block chain, and user can inquire the cochain industry of oneself
Business data；And the business datum is stored on block chain after being purchased the public key encryption of person, and business datum buyer can also
To inquire the business datum；In addition, executing remaining sum verification by verifying intelligent contract, by trading, intelligent contract execution is transferred accounts,
Block chain node does not need actively to execute relevant operation, it is only necessary to execute relevant response operation, entire workflow is easier real
It is existing；More importantly do not have the service server of centralization in the application, the client of business datum can directly and block
Chain link point carries out data interaction, ensure that the decentralization of entire business datum transaction flow, increases business datum transaction
Open and clear characteristic.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the business datum method of commerce flow diagram on a kind of chain provided by the embodiments of the present application；
Fig. 2 is the business datum method of commerce flow diagram on another chain provided by the embodiments of the present application；
Fig. 3 is the business datum traction equipment structural schematic diagram on a kind of chain provided by the embodiments of the present application.
Specific embodiment
For the clearer general idea for illustrating the application, carry out in an illustrative manner with reference to the accompanying drawings of the specification detailed
It describes in detail bright.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Similar object, without being used to describe a particular order or precedence order.It should be understood that the sequence used in this way is in appropriate feelings
It can be interchanged under condition, so that the embodiment of the present invention described herein can be other than those of illustrating or describing herein
Sequence implement.
In addition, term " includes " and " having " and their any deformation, it is intended that covering non-exclusive includes example
Such as, the process, method, system, product or equipment for containing a series of steps or units those of are not necessarily limited to be clearly listed
Step or unit, but may include being not clearly listed or intrinsic for these process, methods, product or equipment other
Step or unit.
So-called block chain node and client in the embodiment of the present application, it can be understood as respond extraneous certain trigger item
Part, and the abstract machine that state is converted is done by certain rule, it can be mobile phone, tablet computer, palm PC, individual's PC computer etc.
It can be according to application software and the equipment that can be networked.
As shown in Fig. 2, the business datum method of commerce on a kind of chain, the method is applied to business datum traction equipment
In, the business datum traction equipment is block chain node.
The method includes the steps S201-S208.
S201, the block chain node receive the business datum cochain request of the first client, the business datum cochain
Request includes the default price of business datum and the business datum with first client public key encryption.
In one example, the first client own public key encrypts the business datum, specifically: described
One client carries out the encryption of preset ratio with own public key to the business datum.
In one example, the business datum includes business datum relating attribute and business datum dereferenced attribute；Its
In, the value auto-associating of the business datum relating attribute is superimposed.
S202, the block chain node execute the uplink operation of the business datum cochain request.
S203, the business datum that the block chain node receives the second client buy request, the business datum purchase
Request includes the purchasing price of the business datum, and the purchasing price of the business datum includes the default valence of the business datum
Lattice.
In one example, the business datum purchase request further includes that the block chain node will be in the business datum
The service charge of chain.
S204 triggers the verification intelligence contract on block chain, the purchase for verifying intelligent contract to the business datum
Price carries out remaining sum verification, after remaining sum verification passes through, blocked balance.
S205, the block chain node receive the Transaction Inquiries request of first client, and the inquiry request includes
Inquire whether the business datum is purchased, whether the remaining sum of buyer is sufficient.
S206, the block chain node send Transaction Inquiries and respond to first client, the Transaction Inquiries response
Including second client public key.
S207, the block chain node receive the transaction request that first client is sent, and the transaction request includes
The business datum encrypted with second client public key.
In one example, first client encrypts the business datum with the public key of second client,
Specifically: first client carries out the encryption of preset ratio with the public key of second client to the business datum.
S208, triggers the transaction intelligence contract on block chain, and the intelligent contract of the transaction executes the business datum purchase
Price is transferred accounts, and executes uplink operation to the business datum encrypted with second client public key.
In one example, the method also includes: the block chain nodes to receive the institute that second client is sent
State business datum inquiry request；The block chain node sends the business datum and responds to second client, the industry
Data of being engaged in response includes the business datum encrypted with the second client public key, so that second client uses itself
The business datum encrypted with the second client public key is decrypted in private key.
Below by taking Fig. 1 as an example, the application is illustrated.As shown in Figure 1, the business datum method of commerce packet on a kind of chain
Include step S101-S115.
Business datum in the application is divided into two attribute, relating attribute and dereferenced attribute.Such as: in user comment
Hold, belongs to dereferenced attribute, the comment content of every user may be stored on block chain；When a businessman needs to buy certain
When the evaluation of part commodity, which can buy the evaluation of the commodity to multiple users, be operated from block chain, open saturating
It is bright, the interests of businessman and user can be ensured simultaneously.Such as: the quantity of user comment content is exactly relating attribute, a commodity
Business datum format in include number of reviews, as long as there is user to comment on the commodity, the number of reviews of the commodity can be from
Fold adds；Another example is: in the application business datum transaction count, be relating attribute, the every transaction of the business datum is primary, the category
Property value increases by 1 automatically.
S101, the first client are encrypted the business datum of itself with the public key of itself.
First client is the supplier of data.
S102, the first client send the encrypted business datum cochain and request to give block chain node, wrap in the request
Include the default price of the business datum.
Here price is the customized price of user of the first client, and the form of price is in a manner of virtual digit
It is defined.
S103, block chain node executes uplink operation, by the encrypted business datum cochain.
At this point, because the first client can carry out own private key decryption, therefore the industry of the encryption to the business datum of the encryption
Business data only have the corresponding user of the first client can see.
Also, chain process in business datum, the application without associated description, such as: in being total to for proof of work PoW
Under knowledge mechanism, after business datum is packaged and is verified, it is synchronous that node broadcasts to all nodes carry out data.
S104, the cochain that block chain node sends the encrypted transaction data respond to the first client.
S105, the second client send the business datum corresponding purchase request and give block chain node, in purchase request
Including purchasing price, which includes the corresponding default price of the business datum and transactional services expense.
Second client is the buyer of data, and the purchase request of the business datum is issued on block chain；It is inquiring
After the business datum, then purchase is sent to block chain node and is requested.At this point, further include the data for wanting purchase in purchase request,
Here the mode of the data of purchase is wanted in instruction, can be Data Identification；It is also possible to the corresponding user of the second client, user
After viewing the data for wanting purchase on a second client, purchase is clicked directly on.
At this point, the first client encrypts the business datum with own public key, it can be and carry out Partial key field
Encryption, is also possible to be encrypted (such as: encrypting 2/3rds of the business datum) purchase of the business datum according to preset ratio
Buyer can not check the business datum in the case where not buying.
Include the scheduled price of the owner of the business datum in purchase request, further includes transactional services expense, that is, should
The service of business datum cochain；Transactional services expense has the buyer of the business datum to pay.
The buyer of business datum needs to possess digital cash, and the purchase of business datum could be carried out on block chain；Industry
The digital cash that business data purchaser possesses, can be as the another kind of business datum owner, sells the another kind of business number
According to digital cash obtained；The digital cash can use on the block chain.The application is to this without being described in detail.
S106, the verification intelligence contract on block chain are triggered, and automatic execute carries out the remaining sum of the second client address
Verification, and freeze the purchasing price that this transaction needs.
The verification intelligence contract, the purchase request based on the second client are triggered.
It should be noted that the address of the second client corresponds to its remaining sum in block chain；Verification passes through, i.e., the second visitor
The corresponding remaining sum in family end address is sufficient, it is only necessary to freeze the purchasing price price of this data trade.
At this point, just needing to freeze the purchasing price of the data after verification passes through；If verification does not pass through, do not need to freeze
The remaining sum of second client address, is not carried out subsequent step.
S107, block chain node send verification successfully response to the second client.
S108, the first client send Transaction Inquiries and request to give block chain node, include inquiry in Transaction Inquiries request
Whether the business datum has buyer's purchase, and whether the remaining sum of the buyer is sufficient.
S109, block chain node send Transaction Inquiries and respond to the first client, inform the query result of the first client.
At this point, the public key of buyer can be sent to the first client by block chain node.
S110, the first client send transaction request and give block chain node, which includes with the second client public affairs
The business datum of key encryption.
S111, the intelligent contract of triggering transaction, the transaction are intelligently executed and are transferred accounts and data cochain.
At this point, a part dress is given the remaining sum for the second client freezed according to preset ratio by the transaction intelligence contract
The address of first client, a part, which is transferred accounts, gives block chain address of node.The block chain node is to execute business datum cochain
In the process be packaged and verify block, allow business datum success cochain block chain node.
The transaction intelligence contract executes the business datum cochain process of second client public key encryption.
S112, block chain node send transaction response to the first client, and the transaction of the first client is notified to complete.
S113, the second client send the business datum inquiry request bought and give block chain node.
S114, block chain node send business datum and respond to the second client, include second in business datum response
The business datum of client public key encryption.
S115, the second client are decrypted with the business datum that own private key encrypts second client public key, from
And obtain the business datum.
In above-mentioned process, block chain node only needs to receive request, and is responded according to request；Entire transaction flow is only
Be related to data owner, data purchaser and block chain node, be not related to the server of centralization, i.e., entire transaction flow
Decentralization degree is high, and complete transaction flow cochain ensure that the owner of business datum and the benefit of business datum buyer
Benefit；The business datum can only be checked by business datum buyer and the business datum owner.
As shown in figure 3, the business datum traction equipment on a kind of chain, the business datum traction equipment is block chain link
Point, the block chain node include receiving unit, processing unit and transmission unit.
The receiving unit receives the business datum cochain request of the first client, the business datum cochain request packet
Include the price of business datum, the gathering address of business datum and the business datum encrypted with first client public key.
The processing unit executes the uplink operation of the business datum cochain request.
The receiving unit, the business datum for receiving the second client buy request, and the business datum buys request packet
The purchasing price of business datum is included, the purchasing price of the business datum includes the price of the business datum.
The processing unit triggers the verification intelligence contract on block chain, and the intelligent contract of the verification is to the business number
According to purchasing price carry out remaining sum verification, remaining sum verification pass through after, blocked balance.
The receiving unit, receives the Transaction Inquiries request of first client, and the inquiry request includes inquiry institute
State whether business datum is purchased, whether the remaining sum of buyer is sufficient.
The transmission unit sends Transaction Inquiries and responds to first client, and the Transaction Inquiries response includes institute
State the second client public key.
The receiving unit, receives the transaction request that first client is sent, and the transaction request includes described in use
The business datum of second client public key encryption.
The processing unit, triggers the transaction intelligence contract on block chain, and the intelligent contract of the transaction executes the business
Data purchasing price is transferred accounts, and executes uplink operation to the business datum encrypted with second client public key.
In one example, the receiving unit receives the business datum inquiry that second client is sent and asks
It asks；The transmission unit sends the business datum and responds to second client, and the business datum response includes described
The business datum encrypted with the second client public key, so that the second client own private key is to described with the second visitor
The business datum of family end public key encryption is decrypted.
In one example, the business datum purchase request further includes that the block chain node will be in the business datum
The service charge of chain.
In one example, the business datum includes business datum relating attribute and business datum dereferenced attribute；Its
In, the value auto-associating of the business datum relating attribute is superimposed.
In one example, the first client own public key encrypts the business datum, specifically: described
One client carries out the encryption of preset ratio with own public key to the business datum；And/or
First client encrypts the business datum with the public key of second client, specifically: described
One client carries out the encryption of preset ratio with the public key of second client to the business datum.
The application can allow the business datum of user to be traded on block chain, and user can inquire the cochain industry of oneself
Business data；And the business datum is stored on block chain after being purchased the public key encryption of person, and business datum buyer can also
To inquire the business datum；In addition, executing remaining sum verification by verifying intelligent contract, by trading, intelligent contract execution is transferred accounts,
Block chain node does not need actively to execute relevant operation, it is only necessary to receive and request and execute relevant response operation, entire workflow
Journey is easier to realize；More importantly do not have the service server of centralization in the application, the client of business datum can be with
Data interaction directly is carried out with block chain link point, the decentralization of entire business datum transaction flow is ensure that, increases business
The open and clear characteristic of data trade.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It is not considered that exceeding scope of the present application.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. the business datum method of commerce on a kind of chain, which is characterized in that the method is applied in business datum traction equipment,
The business datum traction equipment is block chain node, which comprises
The block chain node receives the business datum cochain request of the first client, and the business datum cochain request includes industry
The default price for data of being engaged in and the business datum encrypted with first client public key；
The block chain node executes the uplink operation of the business datum cochain request；
The business datum that the block chain node receives the second client buys request, and the business datum purchase request includes institute
The purchasing price of business datum is stated, the purchasing price of the business datum includes the default price of the business datum；
Trigger the verification intelligence contract on block chain, it is described to verify more than intelligent contract carries out the purchasing price of the business datum
Volume verification, after remaining sum verification passes through, blocked balance；
The block chain node receives the Transaction Inquiries request of first client, and the inquiry request includes inquiring the industry
Whether business data are purchased, and whether the remaining sum of buyer is sufficient；
The block chain node sends Transaction Inquiries and responds to first client, and the Transaction Inquiries response includes described the
Two client public keys；
The block chain node receives the transaction request that first client is sent, and the transaction request includes with described second
The business datum of client public key encryption；
The transaction intelligence contract on block chain is triggered, the intelligent contract of trading executes turning for the business datum purchasing price
Account, and uplink operation is executed to the business datum encrypted with second client public key.
2. the method according to claim 1, wherein the method also includes:
The block chain node receives the business datum inquiry request that second client is sent；
The block chain node sends the business datum and responds to second client, and the business datum response includes institute
The business datum encrypted with the second client public key is stated, so that the second client own private key uses second to described
The business datum of client public key encryption is decrypted.
3. the method according to claim 1, wherein business datum purchase request further includes the block chain
Node is by the service charge of the business datum cochain.
4. the method according to claim 1, wherein the business datum includes business datum relating attribute and industry
Business data dereferenced attribute；Wherein,
The value auto-associating of the business datum relating attribute is superimposed.
5. the method according to claim 1, wherein the first client own public key is to the business number
According to encryption, specifically: first client carries out the encryption of preset ratio with own public key to the business datum；And/or
First client encrypts the business datum with the public key of second client, specifically: first visitor
Family end carries out the encryption of preset ratio with the public key of second client to the business datum.
6. the business datum traction equipment on a kind of chain, which is characterized in that the business datum traction equipment is block chain node,
The block chain node includes receiving unit, processing unit and transmission unit；Wherein,
The receiving unit receives the business datum cochain request of the first client, and the business datum cochain request includes industry
The price for data of being engaged in, the gathering address of business datum and the business datum encrypted with first client public key；
The processing unit executes the uplink operation of the business datum cochain request；
The receiving unit, the business datum for receiving the second client buy request, and the business datum purchase request includes industry
The purchasing price for data of being engaged in, the purchasing price of the business datum includes the price of the business datum；
The processing unit triggers the verification intelligence contract on block chain, and the intelligent contract of the verification is to the business datum
Purchasing price carries out remaining sum verification, after remaining sum verification passes through, blocked balance；
The receiving unit, receives the Transaction Inquiries request of first client, and the inquiry request includes inquiring the industry
Whether business data are purchased, and whether the remaining sum of buyer is sufficient；
The transmission unit sends Transaction Inquiries and responds to first client, and the Transaction Inquiries response includes described the
Two client public keys；
The receiving unit, receives the transaction request that first client is sent, and the transaction request includes with described second
The business datum of client public key encryption；
The processing unit, triggers the transaction intelligence contract on block chain, and the intelligent contract of the transaction executes the business datum
Purchasing price is transferred accounts, and executes uplink operation to the business datum encrypted with second client public key.
7. traction equipment according to claim 6, which is characterized in that
The receiving unit receives the business datum inquiry request that second client is sent；
The transmission unit sends the business datum and responds to second client, and the business datum response includes institute
The business datum encrypted with the second client public key is stated, so that the second client own private key uses second to described
The business datum of client public key encryption is decrypted.
8. traction equipment according to claim 6, which is characterized in that the business datum purchase request further includes the area
Block chain node is by the service charge of the business datum cochain.
9. traction equipment according to claim 6, which is characterized in that the business datum includes business datum relating attribute
With business datum dereferenced attribute；Wherein, the value auto-associating superposition of the business datum relating attribute.
10. traction equipment according to claim 6, which is characterized in that the first client own public key is to described
Business datum encryption, specifically: first client carries out the encryption of preset ratio with own public key to the business datum；
And/or
First client encrypts the business datum with the public key of second client, specifically: first visitor
Family end carries out the encryption of preset ratio with the public key of second client to the business datum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499746.4A CN110223065A (en) | 2019-06-11 | 2019-06-11 | Business datum method of commerce and its equipment on a kind of chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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