CN110189130A - Method of commerce and its equipment on block chain - Google Patents

Method of commerce and its equipment on block chain Download PDF

Info

Publication number
CN110189130A
CN110189130A CN201910499645.7A CN201910499645A CN110189130A CN 110189130 A CN110189130 A CN 110189130A CN 201910499645 A CN201910499645 A CN 201910499645A CN 110189130 A CN110189130 A CN 110189130A
Authority
CN
China
Prior art keywords
data
client
public key
encryption
block chain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910499645.7A
Other languages
Chinese (zh)
Inventor
吉建勋
杨慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Ai Morui Strategic Technology Co Ltd
Original Assignee
Beijing Ai Morui Strategic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Ai Morui Strategic Technology Co Ltd filed Critical Beijing Ai Morui Strategic Technology Co Ltd
Priority to CN201910499645.7A priority Critical patent/CN110189130A/en
Publication of CN110189130A publication Critical patent/CN110189130A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/382Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829Payment protocols; Details thereof insuring higher security of transaction involving key management

Abstract

This application discloses the method for commerce and its equipment on block chain, this method comprises: block chain node receives the data cochain request that the first client is sent;Execute the uplink operation of the data cochain request;Receive the data purchase request of the second client transmission;Triggering verifies intelligent contract, and the intelligent contract of the verification verifies the corresponding remaining sum of second client address;Transaction request is sent to first client, the trade confirmation includes the data of service server public key encryption;The block chain node receives the transaction response that the service server is sent, and the transaction response includes the data of second client public key encryption;The intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price, and execute the data uplink operation of the second client public key encryption.This method can allow the transaction cochain of data, and process of exchange is open and clear.

Description

Method of commerce and its equipment on block chain
Technical field
This application involves the method for commerce and its equipment in block chain technical field more particularly to block 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, transferring accounts for digital cash can only be carried out on current block chain, the transaction of data can't be carried out;Data are handed over Easy scene is more and more.
Therefore, it needs to find a kind of method for carrying out data trade on block chain.
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, this application provides the method for commerce and its equipment on block chain, this method can be allowed The transaction cochain of data, so that the process of exchange of data is open and clear.
The application first aspect discloses the method for commerce on block chain, which comprises
Block chain node receives the data cochain request that the first client is sent, and the data cochain request includes the first visitor The default price of the data of family end public key encryption, the data of service server public key encryption and the data;
The block chain node executes the uplink operation of the data cochain request;
The block chain node receives the data that the second client is sent and buys request, and the data purchase request includes number According to purchasing price, the data purchasing price includes the default price of the data;
Triggering verifies intelligent contract, and the intelligent contract of the verification carries out school to the corresponding remaining sum of second client address It tests, after verification passes through, freezes the purchasing price;
The block chain node sends transaction request to first client, and the trade confirmation includes service server The data of public key encryption, in order to which the data of the service server public key encryption are sent to the industry by first client Business server, after the service server is decrypted with data of the own private key to the service server public key encryption, and The data are encrypted with second client public key;
The block chain node receives the transaction response that the service server is sent, and the transaction response includes described the The data of two client public keys encryption;
Triggering is traded intelligent contract, and the transaction intelligence contract executes transferring accounts for the purchasing price, and executes described the The data uplink operation of two client public keys encryption.
In a kind of possible embodiment, the method also includes:
The block chain node receives the data inquiry request that second client is sent;
The block chain node is sent to the second client data inquiry response, and the data query response includes institute The data of the second client public key encryption are stated, in order to which the second client own private key is to second client public key The data of encryption are 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 data are business datum, and the business datum includes that business datum is closed Attribute and business datum dereferenced 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 to the data encryption, specifically: First client carries out the encryption of preset ratio with own public key to the data;And/or
The public key of the service server second client to the data encryption, specifically: the business clothes Business device carries out the encryption of preset ratio with the public key of second client to the data.
The application second aspect discloses the traction equipment on block chain, and the equipment is block chain node, the block Chain node includes receiving unit, processing unit and transmission unit;Wherein,
The receiving unit, receives the data cochain request that the first client is sent, and data cochain request includes the The default price of data, the data of service server public key encryption and the data that one client public key encrypts;
The processing unit executes the uplink operation of the data cochain request;
The receiving unit receives the data that the second client is sent and buys request, and the data purchase request includes number According to purchasing price, the data purchasing price includes the default price of the data;
The processing unit, triggering verify intelligent contract, and the intelligent contract of the verification is to second client address pair The remaining sum answered is verified, and after verification passes through, freezes the purchasing price;
The transmission unit sends transaction request to first client, and the trade confirmation includes service server The data of public key encryption, in order to which the data of the service server public key encryption are sent to the industry by first client Business server, after the service server is decrypted with data of the own private key to the service server public key encryption, and The data are encrypted with second client public key;
The receiving unit, receives the transaction response that the service server is sent, and the transaction response includes described the The data of two client public keys encryption;
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price, And execute the data uplink operation of the second client public key encryption.
In a kind of possible embodiment, the receiving unit receives the data query that second client is sent Request;The transmission unit, is sent to the second client data inquiry response, and the data query response includes described the The data of two client public keys encryption, in order to which the second client own private key encrypts second client public key Data be 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 data are business datum, and the business datum includes that business datum is closed Attribute and business datum dereferenced 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 to the data encryption, specifically: First client carries out the encryption of preset ratio with own public key to the data;And/or
The public key of the service server second client to the data encryption, specifically: the business clothes Business device carries out the encryption of preset ratio with the public key of second client to the data.
This method can allow the transaction cochain of data to ensure that data are all so that the process of exchange of data is open and clear The interests of person and data purchaser both sides, entire process of exchange is more credible.
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 method for commerce flow diagram on a kind of block chain provided by the embodiments of the present application;
Fig. 2 is the method for commerce flow diagram on another block chain provided by the embodiments of the present application;
Fig. 3 is the traction equipment structural schematic diagram on a kind of block 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 node and client in the embodiment of the present application, it can be understood as respond extraneous certain trigger condition, and press Certain rule does the abstract machine of state conversion, and can be mobile phone, tablet computer, palm PC, individual's PC computer etc. can be by According to application software and the equipment that can network.
As shown in Figure 1, the method for commerce on block chain, the method includes the steps S101-S107.
S101, block chain node receive the data cochain request that the first client is sent, and the data cochain request includes The default price of data, the data of service server public key encryption and the data that first client public key encrypts.
S102, the block chain node execute the uplink operation of the data cochain request.
S103, the block chain node receive the data that the second client is sent and buy request, the data purchase request Including data purchasing price, the data purchasing price includes the default price of the data.
S104, triggering verify intelligent contract, and the intelligent contract of the verification is to the corresponding remaining sum of second client address It is verified, after verification passes through, freezes the purchasing price.
S105, the block chain node send transaction request to first client, and the trade confirmation includes business The data of server public key encryption, in order to which the data of the service server public key encryption are sent to by first client The service server, the service server are decrypted with data of the own private key to the service server public key encryption Afterwards, and with second client public key data are encrypted.
S106, the block chain node receive the transaction response that the service server is sent, and the transaction response includes The data of the second client public key encryption.
S107, the intelligent contract of triggering transaction, the intelligent contract of the transaction executes transferring accounts for the purchasing price, and executes institute State the data uplink operation of the second client public key encryption.
In one example, the method also includes: the block chain nodes to receive the number that second client is sent According to inquiry request;The block chain node is sent to the second client data inquiry response, the data query response bag The data of the second client public key encryption are included, in order to which the second client own private key is to second client The data of public key encryption are 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 data are business datum, and the business datum includes business datum relating attribute and industry Business data dereferenced attribute;Wherein, the value auto-associating superposition of the business datum relating attribute.
In one example, the first client own public key is to the data encryption, specifically: first visitor Family end carries out the encryption of preset ratio with own public key to the data;And/or the service server is with second client The public key at end to the data encryption, specifically: the service server is with the public key of second client to the data Carry out the encryption of preset ratio.
Below by taking Fig. 2 as an example, the method for commerce on the block chain of the application is described in detail.
This method includes S201-S214.
S201, the first client carry out encryption portion to data with own public key, are added with service server public key to data Close portion.
Data in the application are business datum.The business datum is divided into two attribute, relating attribute and dereferenced category Property.Such as: user comment content belongs to dereferenced attribute, and the comment content of every user may be stored on block chain;When When one businessman needs to buy the evaluation of certain part commodity, which can buy the evaluation of the commodity to multiple users, from block It is operated on chain, it is open and clear, the interests of businessman and user can be ensured simultaneously.Such as: the quantity of user comment content, just It is relating attribute, includes number of reviews in the business datum format of a commodity, it, should as long as there is user to comment on the commodity The number of reviews of commodity can be superimposed automatically;Another example is: in the application business datum transaction count, be relating attribute, the business The every transaction of data is primary, which increases by 1 automatically.
S202, the first client send data cochain and request to give block chain node, and data cochain request includes the data Default price.
S203, block chain node request the data cochain to execute uplink operation.
At this point, chain process in business datum, the application without associated description, such as: in the common recognition of proof of work PoW Under mechanism, after being packaged and being verified, it is synchronous that node broadcasts to all nodes carry out data.
S204, block chain node send data cochain and respond to first client.
S205, the second client send data purchase request and give block chain node, and data purchase request includes that data are purchased Buying price lattice, the data purchasing price include the default price of the data.
Second client is the buyer of data, and the purchase request of the business datum is issued on block chain;It can look into After asking the business datum, then purchase is sent to block chain node and is requested.At this point, further including the number for wanting purchase in purchase request According to the mode of the data of purchase is wanted in instruction here, can be Data Identification;It is also possible to the corresponding user of the second client, After user views 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, Block chain node takes the service charge of the business datum cochain and the auxiliary transactional services of service server;The transactional services are taken There is 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.
S206, triggering verify intelligent contract, which carries out school to the corresponding remaining sum of the second client address It tests, after verification passes through, freezes the price of data purchase.
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.
S207, block chain node send transaction request to the first client, include service server in the transaction request The data of public key encryption.
S208, the first client send transaction and respond to the second client, and transaction response includes service server public affairs The data of key encryption.
At this point, after service server receives transaction response, with own private key to the service server public key encryption Data are decrypted, and are then encrypted with the second client public key to the data.
Several client public keys are stored on service server.
S209, the second client send transaction and respond to block chain node, and transaction response includes the second client public affairs The data of key encryption.
S210, triggering are traded intelligent contract, the transaction intelligence contract execute the data purchasing price transfer accounts and this second The data cochain process of client public key encryption.
S211, block chain node send purchase and respond to the second client.
S212, the second client send data inquiry request and give block chain node.
S213, block chain node send data query and respond to the second client, and data query response includes second The data of client public key encryption.
S214, the second client are decrypted with the data that own private key encrypts second client public key.
It should be noted that verifying intelligent contract in the process of exchange of the application and intelligent contract of trading, can be same A intelligence contract, is also possible to two different intelligent contracts.The data trade process of the application, whole process of exchange data All it is stored on chain, it is open and clear, to ensure the interests of both parties.
As shown in figure 3, being illustrated to the traction equipment on the block chain of the application, the equipment is block chain node, The block chain node includes receiving unit, processing unit and transmission unit.
The receiving unit, receives the data cochain request that the first client is sent, and data cochain request includes the The default price of data, the data of service server public key encryption and the data that one client public key encrypts.
The processing unit executes the uplink operation of the data cochain request.
The receiving unit receives the data that the second client is sent and buys request, and the data purchase request includes number According to purchasing price, the data purchasing price includes the default price of the data.
The processing unit, triggering verify intelligent contract, and the intelligent contract of the verification is to second client address pair The remaining sum answered is verified, and after verification passes through, freezes the purchasing price.
The transmission unit sends transaction request to first client, and the trade confirmation includes service server The data of public key encryption, in order to which the data of the service server public key encryption are sent to the industry by first client Business server, after the service server is decrypted with data of the own private key to the service server public key encryption, and The data are encrypted with second client public key.
The receiving unit, receives the transaction response that the service server is sent, and the transaction response includes described the The data of two client public keys encryption.
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price, And execute the data uplink operation of the second client public key encryption.
In one example, the receiving unit receives the data inquiry request that second client is sent;The hair Unit is sent, the second client data inquiry response is sent to, the data query response includes that second client is public The data of key encryption, in order to which second client is carried out with the data that own private key encrypts second client public key Decryption.
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 data are business datum, and the business datum includes business datum relating attribute and industry Business data dereferenced attribute;Wherein, the value auto-associating superposition of the business datum relating attribute.
In one example, the first client own public key is to the data encryption, specifically: first visitor Family end carries out the encryption of preset ratio with own public key to the data;And/or the service server is with second client The public key at end to the data encryption, specifically: the service server is with the public key of second client to the data Carry out the encryption of preset ratio.
This method can allow the transaction cochain of data to ensure that data are all so that the process of exchange of data is open and clear The interests of person and data purchaser both sides, entire process of exchange is more credible.
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 method for commerce on block chain, which is characterized in that the described method includes:
Block chain node receives the data cochain request that the first client is sent, and the data cochain request includes the first client The default price of the data of public key encryption, the data of service server public key encryption and the data;
The block chain node executes the uplink operation of the data cochain request;
The block chain node receives the data that the second client is sent and buys request, and the data purchase request includes that data are purchased Buying price lattice, the data purchasing price include the default price of the data;
Triggering verifies intelligent contract, and the intelligent contract of the verification verifies the corresponding remaining sum of second client address, After verification passes through, freeze the purchasing price;
The block chain node sends transaction request to first client, and the trade confirmation includes service server public key The data of encryption take in order to which the data of the service server public key encryption are sent to the business by first client Business device, after the service server is decrypted with data of the own private key to the service server public key encryption, and uses institute The second client public key is stated to encrypt the data;
The block chain node receives the transaction response that the service server is sent, and the transaction response includes second visitor The data of family end public key encryption;
The intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price, and execute second visitor The data uplink operation of family end public key encryption.
2. the method according to claim 1, wherein the method also includes:
The block chain node receives the data inquiry request that second client is sent;
The block chain node is sent to the second client data inquiry response, and the data query response includes described the The data of two client public keys encryption, in order to which the second client own private key encrypts second client public key Data be 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 business datum includes the method according to claim 1, wherein the data are business datum Business datum relating attribute and business datum 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 adds the data It is close, specifically: first client carries out the encryption of preset ratio with own public key to the data;And/or
The public key of the service server second client to the data encryption, specifically: the service server With the public key of second client data are carried out with the encryption of preset ratio.
6. the traction equipment on block chain, which is characterized in that the equipment is block chain node, and the block chain node includes connecing Receive unit, processing unit and transmission unit;Wherein,
The receiving unit receives the data cochain request that the first client is sent, and the data cochain request includes the first visitor The default price of the data of family end public key encryption, the data of service server public key encryption and the data;
The processing unit executes the uplink operation of the data cochain request;
The receiving unit receives the data that the second client is sent and buys request, and the data purchase request includes that data are purchased Buying price lattice, the data purchasing price include the default price of the data;
The processing unit, triggering verify intelligent contract, and the intelligent contract of the verification is corresponding to second client address Remaining sum is verified, and after verification passes through, freezes the purchasing price;
The transmission unit sends transaction request to first client, and the trade confirmation includes service server public key The data of encryption take in order to which the data of the service server public key encryption are sent to the business by first client Business device, after the service server is decrypted with data of the own private key to the service server public key encryption, and uses institute The second client public key is stated to encrypt the data;
The receiving unit, receives the transaction response that the service server is sent, and the transaction response includes second visitor The data of family end public key encryption;
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of the transaction executes transferring accounts for the purchasing price, and holds The data uplink operation of row the second client public key encryption.
7. equipment according to claim 6, which is characterized in that
The receiving unit receives the data inquiry request that second client is sent;
The transmission unit, is sent to the second client data inquiry response, and the data query response includes described the The data of two client public keys encryption, in order to which the second client own private key encrypts second client public key Data be decrypted.
8. equipment according to claim 6, which is characterized in that the business datum purchase request further includes the block chain Node is by the service charge of the business datum cochain.
9. equipment according to claim 6, which is characterized in that the data are business datum, and the business datum includes Business datum relating attribute and business datum dereferenced attribute;Wherein,
The value auto-associating of the business datum relating attribute is superimposed.
10. equipment according to claim 6, which is characterized in that the first client own public key is to the data Encryption, specifically: first client carries out the encryption of preset ratio with own public key to the data;And/or
The public key of the service server second client to the data encryption, specifically: the service server With the public key of second client data are carried out with the encryption of preset ratio.
CN201910499645.7A 2019-06-11 2019-06-11 Method of commerce and its equipment on block chain Pending CN110189130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910499645.7A CN110189130A (en) 2019-06-11 2019-06-11 Method of commerce and its equipment on block chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910499645.7A CN110189130A (en) 2019-06-11 2019-06-11 Method of commerce and its equipment on block chain

Publications (1)

Publication Number Publication Date
CN110189130A true CN110189130A (en) 2019-08-30

Family

ID=67721148

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910499645.7A Pending CN110189130A (en) 2019-06-11 2019-06-11 Method of commerce and its equipment on block chain

Country Status (1)

Country Link
CN (1) CN110189130A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111488607A (en) * 2020-04-08 2020-08-04 北京瑞策科技有限公司 Data processing method and device for service data block chain

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106503574A (en) * 2016-09-13 2017-03-15 中国电子科技集团公司第三十二研究所 Block chain safe storage method
WO2017090041A1 (en) * 2015-11-24 2017-06-01 Ben-Ari Adi A system and method for blockchain smart contract data privacy
CN109462588A (en) * 2018-11-13 2019-03-12 上海物融智能科技有限公司 A kind of decentralization data trade method and system based on block chain
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017090041A1 (en) * 2015-11-24 2017-06-01 Ben-Ari Adi A system and method for blockchain smart contract data privacy
CN106503574A (en) * 2016-09-13 2017-03-15 中国电子科技集团公司第三十二研究所 Block chain safe storage method
CN109462588A (en) * 2018-11-13 2019-03-12 上海物融智能科技有限公司 A kind of decentralization data trade method and system based on block chain
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111488607A (en) * 2020-04-08 2020-08-04 北京瑞策科技有限公司 Data processing method and device for service data block chain

Similar Documents

Publication Publication Date Title
CN110073633A (en) Use the block chain data protection of homomorphic cryptography
CN109033865B (en) Task allocation method for privacy protection in space crowdsourcing
CN110225032A (en) A kind of method of commerce and its equipment of business datum
WO2019027093A1 (en) Electronic money transaction system and method
CN110210977A (en) A kind of data trade method and its equipment
CN109495592A (en) Data collaborative method and electronic equipment
CN110210976A (en) A kind of method of commerce and its equipment based on block chain
CN111340590B (en) Collaborative operation method based on electronic commerce and distributed resale platform thereof
CN111126987B (en) Resource transfer information processing method and device, storage medium and electronic device
KR20020004168A (en) System for protecting user information using internet and method thereof
KR20080094000A (en) Method and apparatus for establishing peer-to-peer karma and trust
CN110210975A (en) Data trade method and its equipment on block chain
CN112600830B (en) Service data processing method and device, electronic equipment and storage medium
CN110232286A (en) A kind of electric quotient data cochain method and its equipment for applying intelligent contract
CN110223065A (en) Business datum method of commerce and its equipment on a kind of chain
CN110189130A (en) Method of commerce and its equipment on block chain
KR101957186B1 (en) An aggregator system having a platform for engaging mobile device users
CN110210860A (en) Business datum method of commerce and its equipment on block chain
CN110210861A (en) Data trade method and its equipment on block chain
CN110210862A (en) A kind of method of commerce and its equipment of business datum
CN110264206A (en) A kind of electric quotient data cochain method and its equipment based on block chain
CN110223053A (en) A kind of data trade method and its equipment
CN113538019B (en) Food traceability information evidence storing method and device
CN111131227B (en) Data processing method and device
CN110189129A (en) A kind of method of commerce and its equipment based on block chain

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
CB02 Change of applicant information

Address after: No.108, 1 / F, No.9, shangdijiu street, Haidian District, Beijing 100085

Applicant after: Beijing ruice Technology Co.,Ltd.

Address before: No.108, 1 / F, No.9, shangdijiu street, Haidian District, Beijing 100085

Applicant before: BEIJING AIMORECE TECHNOLOGY Co.,Ltd.

CB02 Change of applicant information
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190830

RJ01 Rejection of invention patent application after publication