CN106788987A - A kind of collage-credit data based on block chain is shared and transaction system - Google Patents
A kind of collage-credit data based on block chain is shared and transaction system Download PDFInfo
- Publication number
- CN106788987A CN106788987A CN201611063232.7A CN201611063232A CN106788987A CN 106788987 A CN106788987 A CN 106788987A CN 201611063232 A CN201611063232 A CN 201611063232A CN 106788987 A CN106788987 A CN 106788987A
- Authority
- CN
- China
- Prior art keywords
- data
- collage
- shared
- credit
- transaction
- 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
Links
Classifications
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
-
- 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
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0609—Buyer or seller confidence or verification
-
- 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
- G06Q40/02—Banking, e.g. interest calculation or account maintenance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Finance (AREA)
- Accounting & Taxation (AREA)
- Economics (AREA)
- Signal Processing (AREA)
- Development Economics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Marketing (AREA)
- Strategic Management (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Technology Law (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Shared the present invention relates to a kind of collage-credit data based on block chain and transaction system, the collage-credit data is shared to include the network node of at least two P2P with transaction system, the network node includes bottom block catenary system and operates in collage-credit data shared platform on the bottom block catenary system, and the collage-credit data shared platform includes：Data sharing module, data evaluation module, data query transaction modules, block chain adaptation layer.Collage-credit data of the invention is shared to use one believable collage-credit data of block chain technique construction shared and transaction platform with transaction system; use special Data Share System; data query mechanism; data trade mechanism and data evaluation mechanism; collage-credit data owner and collage-credit data demander can be attracted to use; to cause that collage-credit data supplier can realize data trade in the case of data are protected, collage-credit data issuer can then obtain collage-credit data, improve the air control level of oneself.
Description
Technical field
Shared the present invention relates to collage-credit data and transaction system, more particularly to a kind of collage-credit data based on block chain is total to
Enjoy and transaction system.
Background technology
The leading credit system of Central Bank's reference cannot meet financial market operation demand, by the end of, natural person's letter in 2014
The number 3.5 hundred million of loan documentation is subtracted with archives number 8.57 hundred million, the Central Bank's collage-credit data for there are 500,000,000 people is blank.Reference number
According to can substantially be divided into following a few classes：
First is identity attribute, refers to person identification and authentication information, including name, sex, identity card, age, wedding
Relation by marriage family, address, occupation, schooling etc..
Second is contractual capacity, refers to the information for assessing personal refund wish, including income, deposit, marketable securities, business
Industry insurance etc..
3rd is credit record, i.e., for assessing the information of personal refund wish, including individual in commercial bank loans, letter
The activity occurred in the financial credit activities such as loan, credit card, guarantee is netted with card, consumer finance credit, P2P, also there is non-gold in addition
The individual for melting mechanism buys on credit, payment information etc., and these can show behavior of the people in terms of credit.
4th is behavioural characteristic, that is, reflect personal behavior feature and assess the information of personal credit Variance trend, bag accordingly
Include the letter such as residence transition, consumer behavior custom, work and study transition, communication behavior feature, internet behavior record and preference
Breath.
5th is social data, that is, reflect personal communication relation, the information of social words and deeds feature.
6th is public records information, such as the information such as civil, criminal, administrative litigation judgement, administrative penalty.
Obtaining collage-credit data at present has two ways, and the first is the reference company for having licence plate, and second is alliance of company,
I.e. industry by collage-credit data and demand Ji Jia enterprises it is spontaneous constitute an alliance, data sharing is carried out in alliance.But it is each
The collage-credit data that family possesses is different, has their own characteristics each, so if a collage-credit data user needs complete collage-credit data
When, it is necessary to dock a number of main strategies companies.
Reference company is limited by data source channel, and general information is relatively simple, and is typically only capable to provide inquiry service.This
A little reference companies typically use traditional IT technical schemes, data to be typically maintained in relevant database (such as Oracle),
Then inquired about for third party by Web Service interfaces.These interfaces and Data Exchange Standard are general by reference company oneself
Definition, does not have unified standard.Data query is all paid, generally according to inquiry times charge.And its collage-credit data amount
It is few, and species is single；It is most of that unidirectional inquiry is only provided, it is impossible to by data user's supplementary data；From the point of view of data user,
It is time-consuming and laborious in order to improve air control, it is necessary to dock Duo Jia references company.
Second is alliance of company, one alliance of spontaneous composition of such as internet financing corporation, and black name is shared in alliance
Forms data, prevents malicious user from cheating loan.Then there is data exchange and lack unified standard with inquiry in company's alliance scheme, while lacking
Weary a series of mechanism so that each participant being capable of easily shared data and inquiry data.And it lacks data protection
Mechanism, lacks the faith mechanism based on technology, lacks incentive mechanism to attract more people's shared datas.
The technical scheme of alliance has diversified forms, (1) file-sharing mode be blacklist data by way of file
(mode such as mail, FTP) is shared in alliance, allied member oneself is responsible for data persistence and same with the operation system of oneself
Step；(2) unified data platform, each side of alliance builds a data sharing platform, the general portion of this shared platform using tradition IT
In certain league members or public cloud, everybody uploads data and inquiry data by way of interface for administration.
The content of the invention
Shared the purpose of the present invention is to propose to a kind of collage-credit data based on block chain and transaction system, there is provided one can quilt
Each side is based on the collage-credit data shared system of technology and no platform endorsement, can the side's of letting on easily shared data, and
And technically ensure that data are not abused, the rights and interests of data owner are ensured, and technically guarantee fairness, ensure number
Certain income is obtained after shared data according to supplier, excitation participant shares more data.
To achieve the above object, shared and transaction system the invention provides a kind of collage-credit data based on block chain, institute
Stating collage-credit data and sharing includes the network node of at least two P2P with transaction system, and the network node includes bottom block
Catenary system and collage-credit data shared platform on the bottom block catenary system is operated in, the collage-credit data shared platform bag
Include：
Data sharing module, for the shared reference metadata of data set provider；
Data evaluation module, the reference metadata for providing data set provider is evaluated；
Data query transaction modules, reference metadata is inquired about for demand data person, and for being handed over data set provider
Easily；
Block chain adaptation layer, for collage-credit data shared platform to be fitted into bottom block catenary system；
The data set provider calls data sharing module to upload reference metadata and carry out data record；The data are needed
The person of asking calls data query transaction modules to inquire about reference metadata, and is traded with data set provider, the reference transaction of generation
Data；The block chain adaptation layer is broadcasted reference metadata or reference transaction data, is obtaining the network more than 50%
After node verification, newly-generated reference metadata or reference transaction data is stored into bottom block catenary system.
Preferably, the block chain adaptation layer includes common recognition algorithm adaptation module, data adaptation module and intelligent contract
Adaptation module.
Preferably, the common recognition algorithm adaptation module goes out a set of common recognition the public of algorithm and connects using abstract common recognition algorithm abstraction
Mouthful, and according to underlying algorithm matching adapter；The adapter at least includes that work proves that algorithm adapter, rights and interests prove algorithm
Adapter.
Preferably, the abstract model of the data adaptation module definition block chain data, and according to block chain data form
It is adapted to.
Preferably, the abstract model of the intelligent intelligent contract of contract adaptation module definition, and according to the reality of intelligent contract
Existing mode is adapted to.
Preferably, the step of data set provider shares reference metadata is as follows：
A) data set provider assembles reference metadata according to the form of definition, and calls the upload interface of data sharing module
Upload reference metadata；
B) the data sharing module calls the common recognition algorithm adaptation module to carry out data record, and the common recognition algorithm is fitted
With module according to selected common recognition algorithm, newly-generated block is periodically obtained；
C) the common recognition algorithm adaptation module is broadcasted reference metadata, is tested the network node more than 50% is obtained
After card, newly-generated reference metadata is deposited into newly-generated block, newly-generated block calls data adaptation module to write
Enter in block chain；
D) final block information is returned to data sharing module, and the data sharing by common recognition algorithm adaptation module
Final block information is returned to data set provider by module.
Preferably, the demand data person carries out as follows the step of data query is concluded the business：
A) demand data person according to demand data principal mark know generation hashed value, and according to principal mark know hashed value and demand
The type of data calls the query interface in data query transaction modules；
B) the data query transaction modules call data adaptation module, and the data adaptation module to be known according to principal mark
Hashed value and the type queries of demand data be stored in reference metadata on local block chain；
C) reference metadata is returned to data query transaction modules, the data query transaction by the data adaptation module
Module is by the reference metadata person that returns to demand data；
D) data set provider ID of the demand data person in the reference metadata for returning obtains data set provider
Public key, and according to the signature of data set provider in the public key verifications reference metadata of data set provider；
E) after public key verifications, demand data person goes on an expedition and data set provider partial data access interface is extracted in cell data
List information；
F) demand data person sends access request, the data of access request according to data set provider partial data access interface
Public key according to data set provider is encrypted, wherein, principal mark knowledge, data type, data are comprised at least in the access request
Demander ID and demand data person sign.
G) after access request is received, the data set provider is decrypted with private key, extracts the data in inquiry request
Demander ID, and according to demand data in the public key verifications of demand data person inquiry data after the public key for obtaining demand data person
The signature of person；
H) after the data set provider is verified, according to complete collage-credit data, transaction value and data set provider
Signature calls the intelligent contract of intelligent contract adaptation module generation transaction；
I) after confirming to transaction value, the demand data person uses private key to the intelligent contract Signature Confirmation, and
And the transaction data of generation is broadcast to each network node by the intelligent contract, tested the network node more than 50% is obtained
After card, the data adaptation module is called to be written in block chain, and by the partial data person that is sent to demand data.
Preferably, the collage-credit data shared platform also includes key management distribution module, and mould is distributed in the key management
Block is used to manage the corresponding relation between ID and public key, and the key management distribution module is additionally operable to generate key pair.
Preferably, the step of data evaluation module is evaluated the reference metadata that data set provider provides is such as
Under：
A) data evaluation person selects the evaluation algorithms of definition to being evaluated by handing over facile reference partial data, and
Generation reference evaluating data, calls the upload interface of data evaluation module to upload reference evaluating data afterwards；
B) the reference evaluating data is broadcast to each network node, and the network by the data evaluation module
Node is checked according to evaluating data；
C) when the network node less than specified quantity is raised an objection, the data evaluation module calls the data adaptation
Module notes down in bottom block catenary system reference evaluating data；
D) the data evaluation module returns result to data evaluation person.
Based on above-mentioned technical proposal, it is an advantage of the invention that：
Collage-credit data of the invention is shared to use one believable collage-credit data of block chain technique construction with transaction system
Shared and transaction platform, the collage-credit data is shared to use special Data Share System with transaction system, data query mechanism,
Data trade mechanism and data evaluation mechanism, can attract collage-credit data owner and collage-credit data demander to use, to cause
Collage-credit data supplier can obtain certain economic compensation in the case of data are protected, and collage-credit data issuer then can be with
Collage-credit data is obtained, the air control level of oneself is improved.
Collage-credit data of the invention is shared can to form complementation with transaction system with existing collage-credit data, effective to expand
Collage-credit data scope and the crowd of covering.After the shared success with transaction system construction of the collage-credit data, mesh can be partly solved
The preceding incomplete problem of credit system, can play good supplementary function, can preferably be bank, little Dai companies, consumption
Finance, network loan, big data company and other internet financial institution services reductions are because of exceeding that collage-credit data not exclusively causes
Phase rate, improves business operational paradigm.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is block chain logical construction schematic diagram；
Fig. 2 is the block chain work-based logic during transaction data record；
Fig. 3 is a kind of technology stack schematic diagram of typical block chain；
Fig. 4 is that collage-credit data is shared and transaction system topological diagram；
Fig. 5 is network node logical construction schematic diagram；
Fig. 6 is collage-credit data shared platform structural representation；
Fig. 7 is common recognition algorithm adaptation module logical schematic；
Fig. 8 is data structure schematic diagram；
Fig. 9 is shared reference metadata Signalling exchange schematic diagram；
Figure 10 is data query transaction Signalling exchange schematic diagram.
Specific embodiment
Below by drawings and Examples, technical scheme is described in further detail.
Collage-credit data of the invention is shared to be formed with transaction system bottom based on block chain, and the block chain technology is a kind of
Using decentralization and the technology of the reliability for removing trust mode collective one notebook data book of maintenance, it is needed in the system of letting on
Any number of nodes, are associated in the data block of generation (block) using cryptography method by a string and are wrapped in each data
Contained in certain hour system full detail exchange data, and generate data fingerprint for verify its information validity and
Link next database block.
The block chain logic of Fig. 1 is illustrated to be to be briefly described one section in the middle of block chain.Wherein each block has sensing
The link of previous block, until the block for initially creating is original block；And each pen occurred on block catenary system
Transaction can all be present in some block, and by persistence.For example in block 54 link is contained, be linked to block 53；
Link is contained in block 53, block 52 is linked to；Link is contained in block 52, block 51 is linked to, by that analogy, until
Initial original block.
On block catenary system, the working mechanism of block chain is explained by taking transaction data record process as an example, it can be effective
Ground solves the problems, such as dual consumption and Byzantium general.As shown in Fig. 2 its detailed process is as follows：
(1), last link of block chain is Owner1, and it uses the previous transaction number of the public key verifications of Owner0
According to；
(2), Owner1 signs the transaction data with the key of itself；
(3), transaction data is sent to Owner2 from Owner1, and is broadcasted to the whole network；
(4), transaction data can just be considered as transaction and complete, it is necessary to obtain the confirmation of enough multinodes when broadcast；
And that transaction data for stamping timestamp earliest in whole P2P networks is identified as being successfully transaction；
(5) after, concluding the business successfully, data recorded in block.
A kind of technology stack of typical block chain is present embodiments provided, as shown in figure 3, including：
(1), Internet.It is general to use P2P network technologies, therefore there is no central server in block chain network, if
Any one or more nodes are lost from block chain network, and data will not also lose, while including broadcast mechanism sum
According to authentication mechanism, it is ensured that data transmission security and high efficiency.
(2), data Layer.Core is the data structure of data block and chain type, while the data of generation can all add the time
Stamp, and hashing algorithm is used, prevent data to be tampered.AES (such as rivest, shamir, adelman) is also used simultaneously, to protect
The security of data and the privacy of user.
(3), common recognition layer.Common recognition mode can use proof of work, and it is that one kind is able to ensure that correct option is difficult to be obtained
Take, but a kind of mode being verified can be easy to, it is used to ensure that the block of generation meets certain data characteristics, prevents number
According to being forged or distort.And rights and interests prove that mechanism is the mode that another is reached common understanding.Such as in the block linkwork of bit coin
In system, prove that " digging ore deposit " is based on the volume of holding of currency in the system of mechanism based on rights and interests.
(4), intelligent contract.Traditional contract refers to that both sides or multilateral accord do or do not do something to exchange some things for,
Each party must trust can fulfil obligations each other.And intelligent contract need not trust each other, because intelligent contract is not only by code
It is defined, is also to be enforced by code, it is fully automated and cannot intervene.
The present invention shares this field for collage-credit data, it is proposed that a kind of collage-credit data based on block chain is shared and hands over
Easy system.Wherein, shared using the P2P of block chain, (i.e. peer-to-peer computer network is the collage-credit data with transaction system bottom
A kind of Distributed Application framework that task and workload are distributed between fellow, is that P2P computing model is formed in application layer
A kind of networking or latticed form) network structure, each node contain the unique collage-credit data shared platform of this programme with
And the bottom block catenary system of the block chain technology for using.
Shared the invention provides the collage-credit data based on block chain and transaction system, as shown in Fig. 4~figure, the reference
Data sharing includes the network node of at least two P2P with transaction system, and the network node includes bottom block catenary system
And collage-credit data shared platform on the bottom block catenary system is operated in, the collage-credit data shared platform includes：
Data sharing module, for the shared reference metadata of data set provider；
Data evaluation module, the reference metadata for providing data set provider is evaluated；
Data query transaction modules, reference metadata is inquired about for demand data person, and for being handed over data set provider
Easily；
Block chain adaptation layer, for collage-credit data shared platform to be fitted into bottom block catenary system.
The data set provider calls data sharing module to upload reference metadata and carry out data record；The data are needed
The person of asking calls data query transaction modules to inquire about reference metadata, and is traded with data set provider, the reference transaction of generation
Data；The block chain adaptation layer is broadcasted reference metadata or reference transaction data, is obtaining the network more than 50%
After node verification, newly-generated reference metadata or reference transaction data is stored into bottom block catenary system.
As shown in fig. 6, the collage-credit data shared platform includes data sharing module, data query transaction modules, data
Evaluation module, member management module, key management distribution module and block chain adaptation layer.It is used to fit using block chain adaptation layer
Realized with different bottom block chain technologies so that system can not rely on the specific block chain technology of bottom.
Collage-credit data of the invention is shared to be included with the most crucial module of transaction system：Data sharing module and data query
Transaction modules, it is the core of whole system.Secondly, data evaluation module is used to evaluate data, it is possible to increase platform
The quality of data.Member management module and key management distribution module are basic modules, and block chain adaptation layer module can make
Obtain this programme and do not rely on specific bottom block chain technical implementation way.
Preferably, the collage-credit data shared platform also includes key management distribution module, and mould is distributed in the key management
Block is used to manage corresponding pass of the ID (including data set provider, demand data person or data evaluation person) between public key
System, while it can also generate key pair, and secure distribution to associated user.
The block chain adaptation layer includes common recognition algorithm adaptation module, data adaptation module and intelligent contract adaptation mould
Block.Preferably, the common recognition algorithm adaptation module goes out the common interface of a set of common recognition algorithm using abstract common recognition algorithm abstraction, and
According to underlying algorithm matching adapter；The adapter at least includes that work proves that algorithm adapter, rights and interests prove algorithm adaptation
Device.Platform can take out the common interface of a set of common recognition algorithm, while different underlying algorithms are adapted to using different adapters,
As shown in Figure 7.
The abstract common recognition algorithm mainly includes two abstraction interfaces：
a)ProofgenerateProof()：The interface is used to generate to be proved, the proof is used in generation block；
b)Block generateBlock(Proof p,...args)：According to proof generation block.
By taking the block chain technology for being derived from bit coin as an example, its generation proves to be exactly the process of " digging ore deposit "." digging ore deposit "
Exactly find a value with following characteristics：With SHA-256 twice hashed calculating after, obtain hashed value with several 0
Beginning.The generateProof adaptation realizations of that bit coin block chain technology are exactly to find such value.And bit coin block chain
GenerateBlock realize being exactly according to the hashed value dug and other data groups are into a block and are stored in block chain
In.
Preferably, the abstract model of the data adaptation module definition block chain data, and according to block chain data form
It is adapted to.Bottom block chain data there is also different realizations, by defining the abstract model of block chain data, shielding bottom
Difference.Different adaptation modules are defined simultaneously is adapted to different block chain data forms, the block chain data lattice of such as bit coin
Formula, the block chain data form in ether mill.
Preferably, the abstract model of the intelligent intelligent contract of contract adaptation module definition, and according to the reality of intelligent contract
Existing mode is adapted to.Likewise, bottom intelligence contract there is also different realizations, by the abstract mould for defining intelligent contract
Type, shields the difference of bottom.The different intelligent contracts of different adaptation modules adaptations are defined simultaneously realizes technology, such as ether mill
Intelligent contract.
Storage mainly has three class data in bottom block chain：Reference metadata, reference transaction data and reference evaluation
Data.Data structure substantially is as follows：
[type, data]
Wherein, type is used to identify the type of the data, can be represented with data dictionary.Data be then reference metadata,
Reference transaction data or reference evaluating data, its schematic diagram are as shown in Figure 8.
In order to ensure the rights and interests of data owner, storage would is that reference unit in the collage-credit data of collage-credit data shared platform
Data, form is as follows：
[type, principal mark knows hashed value, and partial data hashed value, data genaration timestamp, versions of data number, data are provided
Person ID, data set provider partial data access interface list information, data set provider signature]
For example：[001 (type), d84ec802c340723837c20aff27b8cafd (principal mark knowledge hashed value),
73f56896e2be166695e47d6f91da80f7 (partial data hashed value), 61436073600000 (data genaration times
Stamp), v0.0.1 (version number), 15Xgq5xjUf77ibHZkJu9qKPbw9jPKNeCt1 (data set provider ID), https://
Www.madailicai.com/api/users/ { id }/edu (data set provider partial data access interface list information),
IEYEARECAAYFAjdYCQoACgkQJ9S6ULt1dqz6IwCfQ7wP6i (data set provider signature)]
Wherein, d84ec802c340723837c20aff27b8cafd is the MD5 hashed values of someone ID card No..
73f56896e2be166695e47d6f91da80f7 is " ID card No.:The MD5 hashed values of previous graduate college ".
61436073600000 timestamps represent 2016-10-100:00:00.
IEYEARECAAYFAjdYCQoACgkQJ9S6ULt1dqz6IwCfQ7wP6i is that data set provider uses private key pair
This reference content metadata (not including signature section) carries out the value obtained after signature operation, and third party can be carried using data
The public key of donor carries out whether checking data have the data set provider to provide.
It is below reference metadata type explanation：
Type：The type of the collage-credit data can be represented with data dictionary, such as 0001 represents personal highest educational background.
Principal mark knows hashed value：Principal mark is known for the uniquely tagged data owner, such as personal identity card ID, and name adds hand
Machine number, Business Registration Number or unified social credibility code etc..The hash function (such as MD5) of principal mark knowledge standard is obtained only
One mark, the unique mark is irreversible, i.e., know from the anti-principal mark of releasing of unique mark.
Partial data hashed value：Data set provider can obtain reference partial data standard Hash functions (such as MD5)
One hashed value, as digital signature, data access person can verify what is provided after data set provider with this hashed value
Whether initial data there is change.
Data genaration timestamp：For indicating time during data genaration, user is facilitated to be selected.
Versions of data number：Because the same initial data that same data set provider provides change over time, data
May change, therefore be made a distinction with version number, the order for indicating modification.
Data set provider ID：Equivalent to bit coin wallet address, for the unique identification data supplier in platform.
Data set provider partial data access interface list information：Data user needs to obtain complete initial data
Will by call data set provider provide interface, this interface message include |input paramete, interface access method and output tie
Really.It is related to process of exchange in query process simultaneously, therefore can also includes data trade interface message.
Data set provider is signed：Data set provider can be signed using the key of oneself to the reference metadata shared,
And data consumer can be verified using the public key of data set provider.
The collage-credit data shared platform is operated on bottom block catenary system, and bottom region is called by block chain adaptation layer
The function of block catenary system.Wherein, data sharing module can provide a series of interface for the shared reference metadata of data set provider,
Its idiographic flow is as shown in figure 9, comprise the following steps that：
A) data set provider assembles reference metadata according to form defined above.
B) data set provider calls the upload interface of data sharing module to upload reference metadata.
C) the data sharing module call common recognition algorithm adaptation module carry out data record.
D) the common recognition algorithm adaptation module periodically obtains block according to selected common recognition algorithm.
E) while algorithm adaptation module of knowing together can be broadcasted reference metadata, the network node more than 50% is being obtained
After checking, newly-generated reference metadata will be deposited into newly-generated block.
F) newly-generated block can finally call data adaptation module to be written in block chain.
G) final block information is returned to data sharing module by common recognition algorithm adaptation module.
H) final block information is returned to data set provider by data sharing module.
Further, data query transaction modules can provide a series of interface and inquire about reference metadata for demand data person,
And be traded with data set provider, transaction results can be also deposited into bottom block catenary system.The form of transaction data is as follows：
[data set provider ID, demand data person ID, partial data hashed value, data trade timestamp, transaction value, number
Signed according to supplier, demand data person signature]
Data set provider ID：Equivalent to bit coin wallet address, for the unique identification data supplier in platform.
Demand data person ID：Equivalent to bit coin wallet address, for the unique identification data demander in platform.
Partial data hashed value：The hashed value of the complete collage-credit data that data set provider provides.
Data trade timestamp：Hand over the incident time.
Transaction value：The price of data trade.
Data set provider is signed：Data set provider can use the key of oneself to transaction data (not including data set provider
Signature and data demander signature) signed.
Demand data person signs：Demand data person can use the key of oneself to transaction data (not including data set provider
Signature and data demander signature) signed.
Preferably, the demand data person is carried out the step of data query is concluded the business as shown in Figure 10, and its idiographic flow is as follows：
A) principal mark of demand data person data according to demand knows (such as identity card, corporate social credit Unicode), raw
Into hashed value.
B) demand data person knows according to principal mark hashed value and the type of demand data, call in data query transaction modules
Query interface.
C) data query transaction modules call data adaptation module, the hashed value that the data adaptation module is known according to principal mark
With the type of demand data, the reference metadata being stored on local block chain is inquired about.
If d) inquiring corresponding reference metadata, reference metadata can be returned to number by block chain data adaptation module
It is investigated that asking transaction modules.
E) data query transaction modules can be by the reference metadata person that returns to demand data.
F) data set provider ID of the demand data person in the reference metadata for returning obtains data set provider
Public key；Specifically, the public key can be obtained by key management distribution module.Certainly, those skilled in the art are it is to be understood that institute
Stating public key can also be by being manually entered or the usual manner such as mail is obtained.
G) signature of the demand data person according to data set provider in the public key verifications reference metadata of data set provider.
H) after data verification is correct, going on an expedition data set provider partial data of extract in cell data of demand data person is visited
Ask the list information of interface.
I) demand data person sends access request according to data set provider partial data access interface, the access request
Principal mark knowledge, data type, demand data person ID and demand data person signature are contained in data, the data of access request can use number
It is encrypted according to the public key of supplier.
J) after data set provider receives inquiry request, it is decrypted with private key.
K) data set provider extracts the demand data person ID in inquiry request, is then obtained from key management distribution module
The public key of demand data person.In the same manner, data set provider can also be by being manually entered or the usual manner such as mail obtains data
The public key of demander.
L) data set provider inquires about the signature of demand data person in data according to the public key verifications of demand data person.
M) after data set provider is verified, with complete collage-credit data, transaction value and data set provider signature etc.
Information calls intelligent contract adaptation module to generate an intelligent contract for transaction.
N) data set provider is by the intelligent contract person that issues demand data.
O) demand data person is to price after confirming, the intelligent contract Signature Confirmation using private key to concluding the business.
P) the intelligent contract will generate a transaction data, be broadcast to each network node, treat that 51% node is true
After recognizing, after the checking of the network node more than 50% is obtained, the data adaptation module is called to be written in block chain.
Q) while the intelligent contract can be by the partial data person that issues demand data, and from the transfer of demand data person's account about
Deposit volume completes transaction in data set provider account.
Data evaluation module can provide a series of interfaces, for the wall scroll data or certain class that provide data set provider
The data of type are evaluated, and generate reference evaluating data.The reference evaluating data form is as follows：
[data evaluation person ID, data set provider ID evaluate type, partial data hashed value or data type, evaluation side
Method, evaluation result, data evaluation person's signature]
Data evaluation person ID：For the unique identification data estimator in platform, equivalent to bit coin wallet address.
Data set provider ID：For the unique identification data supplier in platform, equivalent to bit coin wallet address.
Evaluate type：Wall scroll evaluates the evaluation of still certain type, can be represented with data dictionary.
Partial data hashed value or data type：With the description of reference metadata, will not be repeated here.
Evaluation method：Platform can provide a series of all members all consensus evaluation method, and member can select it
A kind of middle appropriate algorithm is evaluated collage-credit data.For example highest educational background data evaluation method is according to ID to specified net
Station is inquired about.
Evaluation result：Specified by evaluation algorithms, the result of such as highest educational background data evaluation method is consistent or differs
Cause.
Data evaluation person signs：Data evaluation person is signed using the private key of oneself to evaluating data.
Specifically, the step of data evaluation module is evaluated the reference metadata that data set provider provides is such as
Under：
A) data evaluation person selects the evaluation algorithms of definition to being evaluated by handing over facile reference partial data, and
Generation reference evaluating data, calls the upload interface of data evaluation module to upload reference evaluating data afterwards；Evaluate pair as if
Facile reference partial data is handed over, metadata is summary.
B) the reference evaluating data is broadcast to each network node, and the network by the data evaluation module
Node is checked according to evaluating data；Specifically, if the node do not have it is complete be evaluated data, it can check evaluation
Whether algorithm meets the output area of evaluation algorithms if appropriate for the scene, the result for obtaining；If the node has what is be evaluated
Partial data, it can then repeat evaluation algorithms, see whether result is consistent；
C) when the network node less than specified quantity is raised an objection, the data evaluation module calls the data adaptation
Module notes down in bottom block catenary system reference evaluating data；When the network node more than specified quantity is raised an objection,
The evaluating data will be dropped.
D) the data evaluation module returns result to data evaluation person.
Further, the collage-credit data shared platform also includes member management module, and the member management module mainly bears
The person's of urging joins and departs from, while it will also provide the secure distribution of stage+module bag.
Collage-credit data of the invention is shared to use one believable collage-credit data of block chain technique construction with transaction system
Shared and transaction platform, the collage-credit data is shared to use special Data Share System with transaction system, data query mechanism,
Data trade mechanism and data evaluation mechanism, can attract collage-credit data owner and collage-credit data demander to use, to cause
Collage-credit data supplier can obtain certain economic compensation in the case of data are protected, and collage-credit data issuer then can be with
Collage-credit data is obtained, the air control level of oneself is improved.
Collage-credit data of the invention is shared can to form complementation with transaction system with existing collage-credit data, effective to expand
Collage-credit data scope and the crowd of covering.After the shared success with transaction system construction of the collage-credit data, mesh can be partly solved
The preceding incomplete problem of credit system, can play good supplementary function, can preferably be bank, little Dai companies, consumption
Finance, network loan, big data company and other internet financial institution services reductions are because of exceeding that collage-credit data not exclusively causes
Phase rate, improves business operational paradigm.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to preferred embodiment to the present invention, and those of ordinary skill in the art should be understood：Still
Specific embodiment of the invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this hair
The spirit of bright technical scheme, it all should cover in the middle of claimed technical scheme scope of the invention.
Claims (9)
1. a kind of collage-credit data based on block chain is shared and transaction system, it is characterised in that：The collage-credit data is shared and hands over
Easy system includes the network node of at least two P2P, and the network node includes bottom block catenary system and operates in institute
The collage-credit data shared platform on bottom block catenary system is stated, the collage-credit data shared platform includes：
Data sharing module, for the shared reference metadata of data set provider；
Data evaluation module, the reference metadata for providing data set provider is evaluated；
Data query transaction modules, reference metadata is inquired about for demand data person, and for being traded with data set provider；
Block chain adaptation layer, for collage-credit data shared platform to be fitted into bottom block catenary system；
The data set provider calls data sharing module to upload reference metadata and carry out data record；The demand data person
Call data query transaction modules to inquire about reference metadata, and be traded with data set provider, the reference transaction data of generation；
The block chain adaptation layer is broadcasted reference metadata or reference transaction data, is tested the network node more than 50% is obtained
After card, newly-generated reference metadata or reference transaction data is stored into bottom block catenary system.
2. collage-credit data according to claim 1 is shared and transaction system, it is characterised in that：The block chain adaptation layer bag
Include common recognition algorithm adaptation module, data adaptation module and intelligent contract adaptation module.
3. collage-credit data according to claim 2 is shared and transaction system, it is characterised in that：The common recognition algorithm adaptation mould
Block goes out the common interface of a set of common recognition algorithm using abstract common recognition algorithm abstraction, and according to underlying algorithm matching adapter；It is described
Adapter at least includes that work proves that algorithm adapter, rights and interests prove algorithm adapter.
4. collage-credit data according to claim 2 is shared and transaction system, it is characterised in that：The data adaptation module is determined
The abstract model of adopted block chain data, and be adapted to according to block chain data form.
5. collage-credit data according to claim 2 is shared and transaction system, it is characterised in that：The intelligent contract adaptation mould
The abstract model of the intelligent contract of block definition, and be adapted to according to the implementation of intelligent contract.
6. collage-credit data according to claim 2 is shared and transaction system, it is characterised in that：The data set provider is shared
The step of reference metadata, is as follows：
A) data set provider assembles reference metadata according to the form of definition, and calls the upload interface of data sharing module to upload
Reference metadata；
B) the data sharing module calls the common recognition algorithm adaptation module to carry out data record, and the common recognition algorithm adaptation mould
Root tuber periodically obtains newly-generated block according to selected common recognition algorithm；
C) the common recognition algorithm adaptation module is broadcasted reference metadata, is verified the network node more than 50% is obtained
Afterwards, newly-generated reference metadata is deposited into newly-generated block, newly-generated block calls data adaptation module to write
To in block chain；
D) final block information is returned to data sharing module, and the data sharing module by common recognition algorithm adaptation module
Final block information is returned into data set provider.
7. collage-credit data according to claim 2 is shared and transaction system, it is characterised in that：The demand data person is carried out
The step of data query is concluded the business is as follows：
A) demand data person according to demand data principal mark know generation hashed value, and according to principal mark know hashed value and demand data
Type call query interface in data query transaction modules；
B) the data query transaction modules call data adaptation module, and the data adaptation module according to dissipating that principal mark is known
The type queries of train value and demand data are stored in the reference metadata on local block chain；
C) reference metadata is returned to data query transaction modules, the data query transaction modules by the data adaptation module
By the reference metadata person that returns to demand data；
D) data set provider ID of the demand data person in the reference metadata for returning obtains the public key of data set provider,
And according to the signature of data set provider in the public key verifications reference metadata of data set provider；
E) after public key verifications, demand data person goes on an expedition and the row of data set provider partial data access interface is extracted in cell data
Table information；
F) demand data person sends access request according to data set provider partial data access interface, the data of access request according to
The public key of data set provider is encrypted, wherein, principal mark knowledge, data type, demand data are comprised at least in the access request
Person ID and demand data person sign.
G) after access request is received, the data set provider is decrypted with private key, extracts the demand data in inquiry request
Person ID, and according to demand data person in the public key verifications of demand data person inquiry data after the public key for obtaining demand data person
Signature；
H) after the data set provider is verified, signed according to complete collage-credit data, transaction value and data set provider
Call the intelligent contract of intelligent contract adaptation module generation transaction；
I) after confirming to transaction value, the demand data person is using private key to the intelligent contract Signature Confirmation, and institute
State intelligent contract and the transaction data of generation is broadcast to each network node, verified the network node more than 50% is obtained
Afterwards, the data adaptation module is called to be written in block chain, and by the partial data person that is sent to demand data.
8. collage-credit data according to claim 1 is shared and transaction system, it is characterised in that：The collage-credit data is shared flat
Platform also includes key management distribution module, the corresponding pass that the key management distribution module is used to manage between ID and public key
System, the key management distribution module is additionally operable to generate key pair.
9. collage-credit data according to claim 2 is shared and transaction system, it is characterised in that：The data evaluation module pair
The step of reference metadata that data set provider provides is evaluated is as follows：
A) evaluation algorithms of data evaluation person's selection definition by handing over facile reference partial data to being evaluated, and is generated
Reference evaluating data, calls the upload interface of data evaluation module to upload reference evaluating data afterwards；
B) the reference evaluating data is broadcast to each network node, and the network node by the data evaluation module
Checked according to evaluating data；
C) when the network node less than specified quantity is raised an objection, the data evaluation module calls the data adaptation module
By in reference evaluating data record to bottom block catenary system；
D) the data evaluation module returns result to data evaluation person.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063232.7A CN106788987A (en) | 2016-11-28 | 2016-11-28 | A kind of collage-credit data based on block chain is shared and transaction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063232.7A CN106788987A (en) | 2016-11-28 | 2016-11-28 | A kind of collage-credit data based on block chain is shared and transaction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106788987A true CN106788987A (en) | 2017-05-31 |
Family
ID=58904477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611063232.7A Pending CN106788987A (en) | 2016-11-28 | 2016-11-28 | A kind of collage-credit data based on block chain is shared and transaction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106788987A (en) |
Cited By (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274092A (en) * | 2017-06-12 | 2017-10-20 | 北京汇通金财信息科技有限公司 | The method of commerce and system of a kind of photovoltaic power station and electricity charge usufruct |
| CN107464117A (en) * | 2017-08-04 | 2017-12-12 | 平安科技（深圳）有限公司 | Data managing method and block catenary system based on block chain |
| CN107566357A (en) * | 2017-08-25 | 2018-01-09 | 厦门益协作网络科技有限公司 | A kind of internet business information data storing method based on subregion authentication techniques |
| CN107609844A (en) * | 2017-10-10 | 2018-01-19 | 厦门易采购电子商务有限公司 | A kind of intelligence engineering network transaction data management system based on block chain |
| CN107730225A (en) * | 2017-10-24 | 2018-02-23 | 广东工业大学 | A kind of big data method of commerce, system, equipment and computer-readable storage medium |
| CN107862548A (en) * | 2017-11-03 | 2018-03-30 | 国云科技股份有限公司 | A kind of broad range of data sharing method based on block chain |
| CN107977811A (en) * | 2017-11-22 | 2018-05-01 | 合肥维天运通信息科技股份有限公司 | A kind of logistics finance management system and method based on block chain technology |
| CN108062671A (en) * | 2017-11-03 | 2018-05-22 | 深圳市轱辘车联数据技术有限公司 | Data trade method, block chain node server and data submit terminal |
| CN108109017A (en) * | 2018-01-11 | 2018-06-01 | 杭州秘猿科技有限公司 | Commodity trading system based on block chain intelligence contract |
| CN108154400A (en) * | 2018-01-11 | 2018-06-12 | 杭州秘猿科技有限公司 | The evaluation method and system of e-commerce based on block chain |
| CN108170701A (en) * | 2017-11-14 | 2018-06-15 | 北京欧链科技有限公司 | The information processing method and device of block chain |
| CN108428121A (en) * | 2018-02-08 | 2018-08-21 | 布比（北京）网络技术有限公司 | The data sharing that a kind of other side calculates and motivational techniques and system |
| CN108650270A (en) * | 2018-05-16 | 2018-10-12 | 苏宁易购集团股份有限公司 | Data sharing method based on alliance's chain and incentive mechanism and system |
| CN108694238A (en) * | 2018-05-14 | 2018-10-23 | 腾讯科技（深圳）有限公司 | Business data processing method, device based on block chain and storage medium |
| CN108830733A (en) * | 2018-06-21 | 2018-11-16 | 中国银行股份有限公司 | A kind of information processing method, block scm cluster and system |
| CN108848125A (en) * | 2018-05-22 | 2018-11-20 | 北京京东尚科信息技术有限公司 | The method and apparatus and storage medium of common recognition service are provided in block chain |
| CN108876599A (en) * | 2018-07-03 | 2018-11-23 | 福建省农村信用社联合社 | A kind of poverty alleviation loan administration system |
| CN109035014A (en) * | 2018-06-26 | 2018-12-18 | 上海数据交易中心有限公司 | Data transacting system |
| CN109011584A (en) * | 2018-06-22 | 2018-12-18 | 深圳市摩掌信息技术有限公司 | A kind of method of commerce, device and the terminal device of the fictitious assets based on game |
| CN109118355A (en) * | 2018-08-09 | 2019-01-01 | 南京安链数据科技有限公司 | A kind of credit data based on block chain, model guarantor is solid and method of calibration |
| CN109146473A (en) * | 2018-07-11 | 2019-01-04 | 北京欧链科技有限公司 | Processing method, device and the electronic equipment of DAPP evaluation data |
| CN109325662A (en) * | 2018-08-27 | 2019-02-12 | 杭州嘉楠耘智信息科技有限公司 | Credit recording method and system based on block chain |
| CN109325745A (en) * | 2018-07-18 | 2019-02-12 | 深圳市金泽智联信息技术有限公司 | A kind of the exchange method, apparatus and terminal device of fictitious assets |
| WO2019042434A1 (en) * | 2017-09-01 | 2019-03-07 | 立旃（上海）科技有限公司 | Method and device for blockchain-based credit check |
| CN109525573A (en) * | 2018-11-08 | 2019-03-26 | 安徽太阳石科技有限公司 | Data safety sharing method and its system based on block chain |
| CN109615378A (en) * | 2019-01-24 | 2019-04-12 | 上海点融信息科技有限责任公司 | Multi-party computations method, apparatus and readable storage medium storing program for executing based on block chain |
| CN109685511A (en) * | 2018-05-30 | 2019-04-26 | 上海分壳信息技术股份有限公司 | Data transaction of servitude method based on block chain |
| CN109741162A (en) * | 2018-09-03 | 2019-05-10 | 上海奥若拉信息科技集团有限公司 | The storage of personal collage-credit data, processing, sharing method and system based on block chain |
| CN109829334A (en) * | 2019-01-30 | 2019-05-31 | 复旦大学 | Data box configuration, use and bookkeeping methods and its operation system based on block chain |
| 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 |
| CN109874409A (en) * | 2017-09-12 | 2019-06-11 | 西北大学 | Block chain distribution network |
| CN109934019A (en) * | 2018-11-08 | 2019-06-25 | 杭州基尔区块链科技有限公司 | A kind of chip I P protection mechanism based on block chain and Information hiding |
| CN110365730A (en) * | 2018-04-10 | 2019-10-22 | 普天信息技术有限公司 | Air quality information sharing method and device |
| CN110414256A (en) * | 2018-04-26 | 2019-11-05 | 中思博安科技（北京）有限公司 | A kind of accurate poverty alleviation data exchange sharing method and platform based on block chain |
| CN110598010A (en) * | 2018-07-24 | 2019-12-20 | 腾讯科技（深圳）有限公司 | Grading processing method, system and storage medium of media content |
| CN110866818A (en) * | 2018-12-29 | 2020-03-06 | 北京版全家科技发展有限公司 | Method for inquiring personal integrity information based on block chain evidence storage |
| CN110932864A (en) * | 2019-11-20 | 2020-03-27 | 上海欧冶金融信息服务股份有限公司 | Transaction instruction preauthorization and transaction execution method and system based on intelligent contract |
| CN110971663A (en) * | 2019-10-28 | 2020-04-07 | 北京大学 | Trusted processing method and system for data transaction |
| CN111026770A (en) * | 2019-10-29 | 2020-04-17 | 北京海益同展信息科技有限公司 | Account book processing method and device for block chain nodes, server and storage medium |
| CN111416704A (en) * | 2020-03-17 | 2020-07-14 | 中国建设银行股份有限公司 | Data processing method, device and system based on block chain |
| CN111445162A (en) * | 2020-04-15 | 2020-07-24 | 中国银行股份有限公司 | Evaluation data sharing method and system |
| CN111526180A (en) * | 2020-03-30 | 2020-08-11 | 中国建设银行股份有限公司 | Data sharing method and device |
| CN112567706A (en) * | 2018-07-17 | 2021-03-26 | 区块链控股有限公司 | Accumulator protocol based computer implemented system and method for task allocation across a computer network |
| CN112634058A (en) * | 2020-12-22 | 2021-04-09 | 无锡井通网络科技有限公司 | Data mutual trust and mutual sharing and intercommunication platform based on block chain |
| CN113196327A (en) * | 2018-12-20 | 2021-07-30 | 普拉特家有限公司 | Data transaction system |
| CN113487201A (en) * | 2021-07-14 | 2021-10-08 | 海南马良师傅网络科技有限公司 | Instrument relocation task distribution system |
| CN113642019A (en) * | 2021-08-16 | 2021-11-12 | 中国人民解放军国防科技大学 | Double-layer grouping Byzantine fault-tolerant consensus method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811463A (en) * | 2014-01-27 | 2015-07-29 | 上海盈灿投资管理咨询有限公司深圳分公司 | Cloud credit investigation system and query method thereof |
| CN105761143A (en) * | 2016-02-01 | 2016-07-13 | 上海凭安网络科技有限公司 | Multi-party co-construction credit record method based on block chains |
| CN105809062A (en) * | 2016-03-01 | 2016-07-27 | 布比（北京）网络技术有限公司 | Contract construction and execution methods and apparatuses |
| CN105809605A (en) * | 2016-03-04 | 2016-07-27 | 天津中亚慧通科技有限公司 | Business field applied credit information system |
-
2016
- 2016-11-28 CN CN201611063232.7A patent/CN106788987A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811463A (en) * | 2014-01-27 | 2015-07-29 | 上海盈灿投资管理咨询有限公司深圳分公司 | Cloud credit investigation system and query method thereof |
| CN105761143A (en) * | 2016-02-01 | 2016-07-13 | 上海凭安网络科技有限公司 | Multi-party co-construction credit record method based on block chains |
| CN105809062A (en) * | 2016-03-01 | 2016-07-27 | 布比（北京）网络技术有限公司 | Contract construction and execution methods and apparatuses |
| CN105809605A (en) * | 2016-03-04 | 2016-07-27 | 天津中亚慧通科技有限公司 | Business field applied credit information system |
Cited By (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274092A (en) * | 2017-06-12 | 2017-10-20 | 北京汇通金财信息科技有限公司 | The method of commerce and system of a kind of photovoltaic power station and electricity charge usufruct |
| CN107464117A (en) * | 2017-08-04 | 2017-12-12 | 平安科技（深圳）有限公司 | Data managing method and block catenary system based on block chain |
| CN107566357A (en) * | 2017-08-25 | 2018-01-09 | 厦门益协作网络科技有限公司 | A kind of internet business information data storing method based on subregion authentication techniques |
| WO2019042434A1 (en) * | 2017-09-01 | 2019-03-07 | 立旃（上海）科技有限公司 | Method and device for blockchain-based credit check |
| CN109874409A (en) * | 2017-09-12 | 2019-06-11 | 西北大学 | Block chain distribution network |
| CN109874409B (en) * | 2017-09-12 | 2021-11-02 | 西北大学 | Block chain distribution network |
| CN107609844A (en) * | 2017-10-10 | 2018-01-19 | 厦门易采购电子商务有限公司 | A kind of intelligence engineering network transaction data management system based on block chain |
| CN107609844B (en) * | 2017-10-10 | 2021-03-23 | 易信(厦门)信用服务技术有限公司 | Intelligent engineering network transaction data management system based on block chain |
| CN107730225A (en) * | 2017-10-24 | 2018-02-23 | 广东工业大学 | A kind of big data method of commerce, system, equipment and computer-readable storage medium |
| CN107730225B (en) * | 2017-10-24 | 2021-07-06 | 广东工业大学 | Big data transaction method, system, equipment and computer storage medium |
| CN108062671A (en) * | 2017-11-03 | 2018-05-22 | 深圳市轱辘车联数据技术有限公司 | Data trade method, block chain node server and data submit terminal |
| CN107862548A (en) * | 2017-11-03 | 2018-03-30 | 国云科技股份有限公司 | A kind of broad range of data sharing method based on block chain |
| CN108170701A (en) * | 2017-11-14 | 2018-06-15 | 北京欧链科技有限公司 | The information processing method and device of block chain |
| CN107977811A (en) * | 2017-11-22 | 2018-05-01 | 合肥维天运通信息科技股份有限公司 | A kind of logistics finance management system and method based on block chain technology |
| CN108154400A (en) * | 2018-01-11 | 2018-06-12 | 杭州秘猿科技有限公司 | The evaluation method and system of e-commerce based on block chain |
| CN108109017A (en) * | 2018-01-11 | 2018-06-01 | 杭州秘猿科技有限公司 | Commodity trading system based on block chain intelligence contract |
| CN108428121B (en) * | 2018-02-08 | 2020-12-18 | 布比（北京）网络技术有限公司 | Data sharing and excitation method and system for counter-side calculation |
| CN108428121A (en) * | 2018-02-08 | 2018-08-21 | 布比（北京）网络技术有限公司 | The data sharing that a kind of other side calculates and motivational techniques and system |
| CN110365730A (en) * | 2018-04-10 | 2019-10-22 | 普天信息技术有限公司 | Air quality information sharing method and device |
| CN110414256A (en) * | 2018-04-26 | 2019-11-05 | 中思博安科技（北京）有限公司 | A kind of accurate poverty alleviation data exchange sharing method and platform based on block chain |
| CN108694238A (en) * | 2018-05-14 | 2018-10-23 | 腾讯科技（深圳）有限公司 | Business data processing method, device based on block chain and storage medium |
| CN108650270A (en) * | 2018-05-16 | 2018-10-12 | 苏宁易购集团股份有限公司 | Data sharing method based on alliance's chain and incentive mechanism and system |
| CN108650270B (en) * | 2018-05-16 | 2020-10-23 | 苏宁易购集团股份有限公司 | Data sharing method and system based on alliance chain and incentive mechanism |
| CN108848125B (en) * | 2018-05-22 | 2021-08-17 | 北京京东尚科信息技术有限公司 | Method and apparatus for providing consensus service in block chain and storage medium |
| CN108848125A (en) * | 2018-05-22 | 2018-11-20 | 北京京东尚科信息技术有限公司 | The method and apparatus and storage medium of common recognition service are provided in block chain |
| CN109685511A (en) * | 2018-05-30 | 2019-04-26 | 上海分壳信息技术股份有限公司 | Data transaction of servitude method based on block chain |
| CN108830733A (en) * | 2018-06-21 | 2018-11-16 | 中国银行股份有限公司 | A kind of information processing method, block scm cluster and system |
| CN108830733B (en) * | 2018-06-21 | 2022-02-15 | 中国银行股份有限公司 | Information processing method, block chain cluster and system |
| CN109011584A (en) * | 2018-06-22 | 2018-12-18 | 深圳市摩掌信息技术有限公司 | A kind of method of commerce, device and the terminal device of the fictitious assets based on game |
| CN109035014A (en) * | 2018-06-26 | 2018-12-18 | 上海数据交易中心有限公司 | Data transacting system |
| CN109035014B (en) * | 2018-06-26 | 2021-05-04 | 上海数据交易中心有限公司 | Data transaction system |
| CN108876599B (en) * | 2018-07-03 | 2022-04-22 | 福建省农村信用社联合社 | Poverty relief loan management system |
| CN108876599A (en) * | 2018-07-03 | 2018-11-23 | 福建省农村信用社联合社 | A kind of poverty alleviation loan administration system |
| CN109146473A (en) * | 2018-07-11 | 2019-01-04 | 北京欧链科技有限公司 | Processing method, device and the electronic equipment of DAPP evaluation data |
| CN112567706A (en) * | 2018-07-17 | 2021-03-26 | 区块链控股有限公司 | Accumulator protocol based computer implemented system and method for task allocation across a computer network |
| CN109325745A (en) * | 2018-07-18 | 2019-02-12 | 深圳市金泽智联信息技术有限公司 | A kind of the exchange method, apparatus and terminal device of fictitious assets |
| CN110598010A (en) * | 2018-07-24 | 2019-12-20 | 腾讯科技（深圳）有限公司 | Grading processing method, system and storage medium of media content |
| CN109118355A (en) * | 2018-08-09 | 2019-01-01 | 南京安链数据科技有限公司 | A kind of credit data based on block chain, model guarantor is solid and method of calibration |
| CN109325662A (en) * | 2018-08-27 | 2019-02-12 | 杭州嘉楠耘智信息科技有限公司 | Credit recording method and system based on block chain |
| CN109741162A (en) * | 2018-09-03 | 2019-05-10 | 上海奥若拉信息科技集团有限公司 | The storage of personal collage-credit data, processing, sharing method and system based on block chain |
| CN109525573A (en) * | 2018-11-08 | 2019-03-26 | 安徽太阳石科技有限公司 | Data safety sharing method and its system based on block chain |
| CN109934019A (en) * | 2018-11-08 | 2019-06-25 | 杭州基尔区块链科技有限公司 | A kind of chip I P protection mechanism based on block chain and Information hiding |
| CN113196327A (en) * | 2018-12-20 | 2021-07-30 | 普拉特家有限公司 | Data transaction system |
| CN110866818B (en) * | 2018-12-29 | 2024-02-27 | 北京版全家科技发展有限公司 | Method for inquiring personal integrity information based on blockchain storage certificate |
| CN110866818A (en) * | 2018-12-29 | 2020-03-06 | 北京版全家科技发展有限公司 | Method for inquiring personal integrity information based on block chain evidence storage |
| CN109615378A (en) * | 2019-01-24 | 2019-04-12 | 上海点融信息科技有限责任公司 | Multi-party computations method, apparatus and readable storage medium storing program for executing based on block chain |
| CN109829334B (en) * | 2019-01-30 | 2022-12-20 | 复旦大学 | Block chain-based data box configuration, use and accounting method and operation system thereof |
| CN109829334A (en) * | 2019-01-30 | 2019-05-31 | 复旦大学 | Data box configuration, use and bookkeeping methods and its operation system based on block chain |
| 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 |
| CN110971663B (en) * | 2019-10-28 | 2021-03-12 | 北京大学 | Trusted processing method and system for data transaction |
| US11018980B2 (en) | 2019-10-28 | 2021-05-25 | Peking University | Data-interoperability-oriented trusted processing method and system |
| CN110971663A (en) * | 2019-10-28 | 2020-04-07 | 北京大学 | Trusted processing method and system for data transaction |
| CN111026770B (en) * | 2019-10-29 | 2023-08-04 | 京东科技信息技术有限公司 | Ledger processing method and device of blockchain node, server and storage medium |
| CN111026770A (en) * | 2019-10-29 | 2020-04-17 | 北京海益同展信息科技有限公司 | Account book processing method and device for block chain nodes, server and storage medium |
| CN110932864B (en) * | 2019-11-20 | 2022-06-28 | 上海欧冶金融信息服务股份有限公司 | Transaction instruction preauthorization and transaction execution method and system based on intelligent contract |
| CN110932864A (en) * | 2019-11-20 | 2020-03-27 | 上海欧冶金融信息服务股份有限公司 | Transaction instruction preauthorization and transaction execution method and system based on intelligent contract |
| CN111416704A (en) * | 2020-03-17 | 2020-07-14 | 中国建设银行股份有限公司 | Data processing method, device and system based on block chain |
| CN111416704B (en) * | 2020-03-17 | 2022-10-18 | 中国建设银行股份有限公司 | Data processing method, device and system based on block chain |
| CN111526180B (en) * | 2020-03-30 | 2022-05-24 | 中国建设银行股份有限公司 | Data sharing method and device |
| CN111526180A (en) * | 2020-03-30 | 2020-08-11 | 中国建设银行股份有限公司 | Data sharing method and device |
| CN111445162A (en) * | 2020-04-15 | 2020-07-24 | 中国银行股份有限公司 | Evaluation data sharing method and system |
| CN112634058A (en) * | 2020-12-22 | 2021-04-09 | 无锡井通网络科技有限公司 | Data mutual trust and mutual sharing and intercommunication platform based on block chain |
| CN113487201B (en) * | 2021-07-14 | 2022-11-11 | 海南马良师傅网络科技有限公司 | Instrument relocation task distribution system |
| CN113487201A (en) * | 2021-07-14 | 2021-10-08 | 海南马良师傅网络科技有限公司 | Instrument relocation task distribution system |
| CN113642019A (en) * | 2021-08-16 | 2021-11-12 | 中国人民解放军国防科技大学 | Double-layer grouping Byzantine fault-tolerant consensus method and system |
| CN113642019B (en) * | 2021-08-16 | 2023-07-25 | 中国人民解放军国防科技大学 | Double-layer grouping Bayesian-busy-court fault-tolerant consensus method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106788987A (en) | A kind of collage-credit data based on block chain is shared and transaction system | |
| CN106780007A (en) | A kind of collage-credit data is shared and transaction system | |
| CN106651346A (en) | Block chain-based credit investigation data sharing and trading system | |
| US20240119429A1 (en) | Method and system for efficient transfer of cryptocurrency associated with a payroll on a blockchain that leads to an automated payroll method and system based on smart contracts | |
| US11188977B2 (en) | Method for creating commodity assets from unrefined commodity reserves utilizing blockchain and distributed ledger technology | |
| US11250394B1 (en) | Method and system for blockchain-based gemstone ownership, identity, custody, supply-chain transfer, trading, and secure payments | |
| Pisa et al. | Blockchain and economic development: Hype vs. reality | |
| JP2020535543A (en) | Methods, devices, and computer-readable media for compliant tokenization and asset value control | |
| KR20180115768A (en) | Encryption method and system for secure extraction of data from a block chain | |
| US20200005410A1 (en) | System and Method for Facilitating Legal Review for Commercial Loan Transactions | |
| CN109146547A (en) | A kind of method of investigation and study and system based on block chain | |
| CN110599181A (en) | Data processing method, device and equipment based on block chain and storage medium | |
| KR102204070B1 (en) | Method and system for compensating for block-chain network participants | |
| KR102142259B1 (en) | System for distribution of content files using smart contract based on block chain and method thereof | |
| CN108710808A (en) | A kind of investigation payment platform based on block chain | |
| US12008526B2 (en) | Computer system and method for programmatic collateralization services | |
| CN112801778B (en) | Alliance type bad asset block chain system | |
| Cukierman | Welfare and political economy aspects of a central bank digital currency | |
| CN107423960A (en) | The management method and its system of a kind of digital ticket | |
| CN110490733A (en) | A kind of stock trading method and system based on block chain | |
| Bharti | A study of emerging areas in adoption of blockchain technology and it’s prospective challenges in India | |
| CN111861479A (en) | Financial institution client identity recognition method based on block chain and 5G technology | |
| Tinn et al. | Central bank digital currency with asymmetric privacy | |
| Wu et al. | A privacy protection solution based on NLPCA for blockchain supply chain financial system | |
| Allam et al. | Ledger technology of blockchain and its impact on operational performance of banks: a review |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| 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: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |