CN109242507A - A kind of vehicle transaction retroactive method based on block chain - Google Patents
A kind of vehicle transaction retroactive method based on block chain Download PDFInfo
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- CN109242507A CN109242507A CN201810921880.4A CN201810921880A CN109242507A CN 109242507 A CN109242507 A CN 109242507A CN 201810921880 A CN201810921880 A CN 201810921880A CN 109242507 A CN109242507 A CN 109242507A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/01—Customer relationship services
- G06Q30/015—Providing customer assistance, e.g. assisting a customer within a business location or via helpdesk
- G06Q30/016—After-sales
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/08—Insurance
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Abstract
A kind of vehicle transaction retroactive method based on block chain of the present invention provides one kind by initially carrying out state publication to vehicle transaction, and faith mechanism is established by way of decentralization, the method traced to the state of automobile whole process.It is characterized in that carrying out the retrospect of vehicle transaction vehicle condition using two-stage block chain, it is characterised in that: level-one block chain: sale block chain and insurance block chain；Second level block chain: supervision block chain；And it is configured with query node, the sale block chain is made of several sales region block chains, the separate network being made of in each sales region block chain multiple dealers in same system, and dealer is used to safeguard the update of client and the source Che match information.
Description
Technical field
A kind of vehicle transaction retroactive method based on block chain of the present invention is related to one kind by initially carrying out to vehicle transaction
State publication, and faith mechanism is established by way of decentralization, the method that the state of automobile whole process is traced.
Background technique
Currently, gradually becoming life traffic means of transport in automobile, more and more automobile demands stimulate vehicle transaction
The rapid development in market, more and more automotive trading companies, the shop 4S and pass-along deal platform occur, but due to vehicle in market
Source is complicated, contain the vehicle of main engine plants' production, parallel import vehicle, walk private car, stolen car, used car etc., complicated composition, market surpervision
Difficulty, and the case where vehicle condition is not known about, prevent consumer from holding vehicle condition, is easy to appear the case where having dust thrown into the eyes,
Especially in second-hand automobile market, many second-hand vehicle conditions are unknown, and a large amount of accident vehicle passes through trimming, renovation etc., and again
Market newly is flowed back to, there is great security risk, and consumer is ignorant to the concrete condition of vehicle, and second-hand automobile market meeting
By employing testing staff, false examining report is provided, to cover up vehicle-state, much buys the consumers of used cars all at present
Understand oneself selection third party and detects certification, it is ensured that vehicle safety, but it is time-consuming and laborious, mutual trust is poor, and cannot be right
Behaviour in service after the selling of vehicle so far is inquired, and is difficult to recognize vehicle condition completely.
Summary of the invention
Technical assignment of the invention is that place, a kind of vehicle transaction based on block chain of the present invention trace against the above deficiency
Method provides one kind by initially carrying out state publication to vehicle transaction, and trust machine is established by way of decentralization
System, the method that the state of automobile whole process is traced.
A kind of vehicle transaction retroactive method based on block chain of the present invention carries out vehicle transaction vehicle condition using two-stage block chain
Retrospect, it is characterised in that: level-one block chain: sale block chain and insurance block chain；Second level block chain: supervision block chain；And
Configured with query node；
The sale block chain is made of several sales region block chains, by same system in each sales region block chain
The separate network of interior multiple dealers composition, dealer are used to safeguard the update of client and the source Che match information；
Multiple dealers in the same system are defined as the shop sale of automobile 4S in same brand, same agent under one's name
Sell point, independent Qi Mao group, APP on the shop 4S in same company and used car store and line；
The client and the source Che match information refer to the information matches between client personal information and the vehicle of its purchase, including a
People's name, identity information, contact method and vehicle essential information (brand, vehicle system, color, engine identification code, mileage travelled,
Maintenance information) consistency and real-time；
The insurance block chain is made of several relief area block chains, and each relief area block chain is by the same area
The separate network of multiple agencies composition of the interior same insurance company, agency, which is used to insure automobile purchase and settle a claim, to be believed
Breath is updated；
Multiple agencies of the same insurance company in the same area refer under same insurance company, and it is same to divide ownership
Multiple agencies in one region great Qu；
Described includes automobile brand, model, color, engine identification code, mileage, vehicle to automobile purchase insurance and information of settling a claim
Board, owner information, purchase insurance kind, Claims Resolution situation, insurance period；
The separate network that the supervision block chain is made of several supervisory nodes and at least one access node, supervisory node pipe
The access information for reason supervision block chain and selling block chain, insuring block chain, access node are responsible for determining the access of supervisory node
License；
The Third Party Authentication mechanism, connection supervision block chain, for issuing card to by the determining dealer of certification, agency
Book；
Each sales region block chain of the sale block chain configures a account book record, and account book record is block chain
Technical notes chain, all information of vehicles and corresponding client personal information file in the block chain of account book minute book sales region
Digest value, dealer are responsible for generating information of vehicles file cocurrent cloth into sales region block chain；Likewise, insurance block chain
Each relief area block chain equally configures a account book record, and account book record is equally the technical notes chain of block chain, account
All car insurance information and Claims Resolution situation in this minute book relief area block chain, agency are responsible for producing car insurance reason
Message file is paid for, and is distributed in relief area block chain；It supervises in block chain configured with a account book record, account book record
It is equally the technical notes chain of block chain, the consensus information of block chain where account book records each supervisory node；
The supervisory node confirms that validation testing is as follows to dealer, agency's access:
1, dealer to be determined, agency generate key pair and generate certificate request；
2, submission dealer to be determined, agency's associated materials；
3, it to the corresponding supervisory node of region block chain proposes that request is added；
4, supervisory node audits the identity of dealer to be determined, agency, and audit passes through, and issues digital certificate, permits being added pair
Region block chain is answered, 2-4 step is otherwise executed；
The access node is as follows to the access verification step of supervisory node:
1, supervisory node to be determined generates key pair and certificate request；
2, the associated materials for submitting supervisory node to be determined propose that supervision block chain request is added to access node；
3, access node audits supervisory node to be determined, and audit is qualified, issues digital certificate, allows to be added supervision block chain, no
Then repeat 2-3 step；
It is as follows that the dealer is responsible for step of the generation information of vehicles file cocurrent cloth into sales region block chain:
1, dealer obtains the public key of automobile as vehicles identifications, if vehicle public key is without voluntarily producing key pair, after being used for
The identity of continuous block chain；
2, dealer is according to generation information of vehicles file the case where automobile, and carries out signature preservation using the private key of dealer,
In include the brand of automobile, vehicle system, color, engine identification code and automobile public key；
3, dealer produces Transaction Information and is distributed to corresponding sales region block chain；
4, all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record；
5, client buys automobile, is inquired by query node automobile information, and issues information for intention to specified dealer；
6, dealer reserves client according to information for intention and consults, and reaches order, and dealer updates information of vehicles file, is added
Client personal information, and it is distributed to corresponding sales region block chain；
7, all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record；
8, client issues maintenance demand, all warps in corresponding sales region block chain in corresponding sales region block chain
Pin quotient reaches common understanding, and updates respectively local account book record；
9, when client reaches progress vehicle maintenance maintenance at dealer, dealer's update information of vehicles file, addition maintenance project,
Service time, maintenance content, maintenance time, and it is distributed to corresponding sales region block chain；
10, all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record；
The agency is responsible for producing car insurance Claims Resolution message file and is distributed in relief area block chain that steps are as follows:
1, agency issues demand for insurance information according to client, issues the type of insurance and expense；
2, all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
3, client and issues intention letter to specified agency by query node to carrying out insurance inquiry in relief area block chain
Breath；
4, all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
5, after client buys insurance, business office updates car insurance Claims Resolution information, including automobile brand, model, color, engine
Identification code, mileage, license plate, owner information, purchase insurance kind, Claims Resolution situation, insurance period, and it is distributed to corresponding relief area area
In block chain；
6, all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
7, client issues Claims Resolution information, all businesses in corresponding relief area block chain in corresponding relief area block chain
Point is reached common understanding, and respectively local account book record is updated；
8, when client, which seeks agency, to settle a claim, agency's update car insurance Claims Resolution information, increase car accident reason,
Time, serious conditions and maintenance items, maintenace point are updated, and are distributed in relief area block chain；
9, all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
The supervisory node carries out data trade to the block information in the block chain of region, generates transaction record, and issue
Into supervision block chain, all supervisory nodes are reached common understanding, and update respectively local account book record, and dealer is by two-stage block
In block-identified write-in information of vehicles file in chain, and saved as attached sheet；
The client, which orients release information, encryption, and only encrypts to client personal information；
The vehicle can inquire the use information of vehicle, accident condition by query node when being sold, right
Vehicle is traced；
Reach to the purpose that in the entire process of exchange of automobile, the state of vehicle is traced.
Beneficial effect.
One, it can be improved the safety of vehicle transaction process.
Two, vehicle can be traced, understands car accident state.
Detailed description of the invention.
Fig. 1 is a kind of structural representation of the vehicle transaction retroactive method two-stage block chain entirety based on block chain of the present invention
Figure.
Specific embodiment:
A kind of vehicle transaction retroactive method based on block chain of the present invention is achieved in that a kind of automobile based on block chain is handed over
Easy retroactive method carries out the retrospect of vehicle transaction vehicle condition using two-stage block chain, it is characterised in that: level-one block chain: sales territory
Block chain and insurance block chain；Second level block chain: supervision block chain；And it is configured with query node；
The sale block chain is made of several sales region block chains, by same system in each sales region block chain
The separate network of interior multiple dealers composition, dealer are used to safeguard the update of client and the source Che match information；
Multiple dealers in the same system are defined as the shop sale of automobile 4S in same brand, same agent under one's name
Sell point, independent Qi Mao group, APP on the shop 4S in same company and used car store and line；
The client and the source Che match information refer to the information matches between client personal information and the vehicle of its purchase, including a
People's name, identity information, contact method and vehicle essential information (brand, vehicle system, color, engine identification code, mileage travelled,
Maintenance information) consistency and real-time；
The insurance block chain is made of several relief area block chains, and each relief area block chain is by the same area
The separate network of multiple agencies composition of the interior same insurance company, agency, which is used to insure automobile purchase and settle a claim, to be believed
Breath is updated；
Multiple agencies of the same insurance company in the same area refer under same insurance company, and it is same to divide ownership
Multiple agencies in one region great Qu；
Described includes automobile brand, model, color, engine identification code, mileage, vehicle to automobile purchase insurance and information of settling a claim
Board, owner information, purchase insurance kind, Claims Resolution situation, insurance period；
The separate network that the supervision block chain is made of several supervisory nodes and at least one access node, supervisory node pipe
The access information for reason supervision block chain and selling block chain, insuring block chain, access node are responsible for determining the access of supervisory node
License；
The Third Party Authentication mechanism, connection supervision block chain, for issuing card to by the determining dealer of certification, agency
Book；
Each sales region block chain of the sale block chain configures a account book record, and account book record is block chain
Technical notes chain, all information of vehicles and corresponding client personal information file in the block chain of account book minute book sales region
Digest value, dealer are responsible for generating information of vehicles file cocurrent cloth into sales region block chain；Likewise, insurance block chain
Each relief area block chain equally configures a account book record, and account book record is equally the technical notes chain of block chain, account
All car insurance information and Claims Resolution situation in this minute book relief area block chain, agency are responsible for producing car insurance reason
Message file is paid for, and is distributed in relief area block chain；It supervises in block chain configured with a account book record, account book record
It is equally the technical notes chain of block chain, the consensus information of block chain where account book records each supervisory node；
The supervisory node confirms that validation testing is as follows to dealer, agency's access:
1, dealer to be determined, agency generate key pair and generate certificate request；
2, submission dealer to be determined, agency's associated materials；
3, it to the corresponding supervisory node of region block chain proposes that request is added；
4, supervisory node audits the identity of dealer to be determined, agency, and audit passes through, and issues digital certificate, permits being added pair
Region block chain is answered, 2-4 step is otherwise executed；
The access node is as follows to the access verification step of supervisory node:
1, supervisory node to be determined production key pair and certificate request；
2, the associated materials for submitting supervisory node to be determined propose that supervision block chain request is added to access node；
3, access node audits supervisory node to be determined, and audit is qualified, issues digital certificate, allows to be added supervision block chain, no
Then repeat 2-3 step；
It is as follows that the dealer is responsible for step of the generation information of vehicles file cocurrent cloth into sales region block chain:
1, dealer obtains the public key of automobile as vehicles identifications, if vehicle public key is without voluntarily producing key pair, after being used for
The identity of continuous block chain；
2, dealer is according to generation information of vehicles file the case where automobile, and carries out signature preservation using the private key of dealer,
In include the brand of automobile, vehicle system, color, engine identification code and automobile public key；
3, dealer produces Transaction Information and is distributed to corresponding sales region block chain；
4, all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record；
5, client buys automobile, is inquired by query node automobile information, and issues information for intention to specified dealer；
6, dealer reserves client according to information for intention and consults, and reaches order, and dealer updates information of vehicles file, is added
Client personal information, and it is distributed to corresponding sales region block chain；
7, all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record；
8, client issues maintenance demand, all warps in corresponding sales region block chain in corresponding sales region block chain
Pin quotient reaches common understanding, and updates respectively local account book record；
9, when client reaches progress vehicle maintenance maintenance at dealer, dealer's update information of vehicles file, addition maintenance project,
Service time, maintenance content, maintenance time, and be distributed to and answer sales region block chain；
10, all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record；
The agency is responsible for producing car insurance Claims Resolution message file and is distributed in relief area block chain that steps are as follows:
1, agency issues demand for insurance information according to client, issues the type of insurance and expense；
2, all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
3, client and issues intention letter to specified agency by query node to carrying out insurance inquiry in relief area block chain
Breath；
4, all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
5, after client buys insurance, business office updates car insurance Claims Resolution information, including automobile brand, model, color, engine
Identification code, mileage, license plate, owner information, purchase insurance kind, Claims Resolution situation, insurance period, and it is distributed to corresponding relief area area
In block chain；
6, all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
7, client issues Claims Resolution information, all businesses in corresponding relief area block chain in corresponding relief area block chain
Point is reached common understanding, and respectively local account book record is updated；
8, when client, which seeks agency, to settle a claim, agency's update car insurance Claims Resolution information, increase car accident reason,
Time, serious conditions and maintenance items, maintenace point are updated, and are distributed in relief area block chain；
9, all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
The supervisory node carries out data trade to the block information in the block chain of region, generates transaction record, and issue
Into supervision block chain, all supervisory nodes are reached common understanding, and update respectively local account book record, and dealer is by two-stage block
In block-identified write-in information of vehicles file in chain, and saved as attached sheet；
The client, which orients release information, encryption, and only encrypts to client personal information；
The vehicle can inquire the use information of vehicle, accident condition by query node when being sold, right
Vehicle is traced；
Reach to the purpose that in the entire process of exchange of automobile, the state of vehicle is traced.
Claims (10)
1. a kind of vehicle transaction retroactive method based on block chain carries out the retrospect of vehicle transaction vehicle condition using two-stage block chain,
It is characterized by: level-one block chain: sale block chain and insurance block chain；Second level block chain: supervision block chain；And it is configured with and looks into
Ask node；
The sale block chain is made of several sales region block chains, by same system in each sales region block chain
The separate network of interior multiple dealers composition, dealer are used to safeguard the update of client and the source Che match information；
The insurance block chain is made of several relief area block chains, and each relief area block chain is by the same area
The separate network of multiple agencies composition of the interior same insurance company, agency, which is used to insure automobile purchase and settle a claim, to be believed
Breath is updated；
The separate network that the supervision block chain is made of several supervisory nodes and at least one access node, supervisory node pipe
The access information for reason supervision block chain and selling block chain, insuring block chain, access node are responsible for determining the access of supervisory node
License；
The Third Party Authentication mechanism, connection supervision block chain, for issuing card to by the determining dealer of certification, agency
Book.
2. a kind of vehicle transaction retroactive method based on block chain according to claim 1, it is characterised in that the sale
Each sales region block chain of block chain configures a account book record, and account book record is the technical notes chain of block chain,
The digest value of all information of vehicles and corresponding client personal information file in the block chain of account book minute book sales region, sells
Quotient is responsible for generating information of vehicles file cocurrent cloth into sales region block chain.
3. a kind of vehicle transaction retroactive method based on block chain according to claim 1, it is characterised in that the insurance
Each relief area block chain of block chain equally configures a account book record, and account book record is equally the technology note of block chain
Chain is recorded, all car insurance information and Claims Resolution situation in account book minute book relief area block chain, agency is responsible for generating vehicle
Settlement of insurance claim message file, and be distributed in relief area block chain.
4. a kind of vehicle transaction retroactive method based on block chain according to claim 1, it is characterised in that the supervision
Configured with a account book record in block chain, account book record is equally the technical notes chain of block chain, and account book records each prison
The consensus information of block chain where pipe node.
5. a kind of vehicle transaction retroactive method based on block chain according to claim 1, it is characterised in that the supervision
Node confirms that validation testing is as follows to dealer, agency's access:
1) dealer to be determined, agency generate key pair and generate certificate request；
2) submission dealer to be determined, agency's associated materials；
3) it to the corresponding supervisory node of region block chain proposes that request is added；
4) supervisory node audits the identity of dealer to be determined, agency, and audit passes through, and issues digital certificate, permits being added pair
Region block chain is answered, 2-4 step is otherwise executed.
6. a kind of vehicle transaction retroactive method based on block chain according to claim 1, it is characterised in that the access
Node is as follows to the access verification step of supervisory node:
1) supervisory node to be determined production key pair and certificate request；
2) associated materials for submitting supervisory node to be determined propose that supervision block chain request is added to access node；
3) access node audits supervisory node to be determined, and audit is qualified, issues digital certificate, allows to be added supervision block chain, no
Then repeat 2-3 step.
7. a kind of vehicle transaction retroactive method based on block chain according to claim 2, it is characterised in that described to sell
It is as follows that quotient is responsible for step of the generation information of vehicles file cocurrent cloth into sales region block chain:
1) dealer obtains the public key of automobile as vehicles identifications, if vehicle public key is without voluntarily producing key pair, after being used for
The identity of continuous block chain；
2) dealer is according to generation information of vehicles file the case where automobile, and carries out signature preservation using the private key of dealer,
In include the brand of automobile, vehicle system, color, engine identification code and automobile public key；
3) dealer produces Transaction Information and is distributed to corresponding sales region block chain；
4) all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record；
5) client buys automobile, is inquired by query node automobile information, and issues information for intention to specified dealer；
6) dealer reserves client according to information for intention and consults, and reaches order, and dealer updates information of vehicles file, is added
Client personal information, and it is distributed to corresponding sales region block chain；
7) all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record；
8) client issues maintenance demand, all warps in corresponding sales region block chain in corresponding sales region block chain
Pin quotient reaches common understanding, and updates respectively local account book record；
9) when client reaches progress vehicle maintenance maintenance at dealer, dealer's update information of vehicles file, addition maintenance project,
Service time, maintenance content, maintenance time, and it is distributed to corresponding sales region block chain；
10) all dealers in corresponding sales region block chain reach common understanding, and update respectively local account book record.
8. a kind of vehicle transaction retroactive method based on block chain according to claim 3, it is characterised in that the business
Point is responsible for production car insurance Claims Resolution message file and is distributed in relief area block chain that steps are as follows:
1) agency issues demand for insurance information according to client, issues the type of insurance and expense；
2) all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
3) client and issues intention letter to specified agency by query node to carrying out insurance inquiry in relief area block chain
Breath；
4) all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
5) after client buys insurance, business office updates car insurance Claims Resolution information, including automobile brand, model, color, engine
Identification code, mileage, license plate, owner information, purchase insurance kind, Claims Resolution situation, insurance period, and it is distributed to corresponding relief area area
In block chain；
6) all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
7) client issues Claims Resolution information, all businesses in corresponding relief area block chain in corresponding relief area block chain
Point is reached common understanding, and respectively local account book record is updated；
8) when client, which seeks agency, to settle a claim, agency's update car insurance Claims Resolution information, increase car accident reason,
Time, serious conditions and maintenance items, maintenace point are updated, and are distributed in relief area block chain；
9) all agencies in corresponding relief area block chain reach common understanding, and update respectively local account book record；
The supervisory node carries out data trade to the block information in the block chain of region, generates transaction record, and issue
Into supervision block chain, all supervisory nodes are reached common understanding, and update respectively local account book record, and dealer is by two-stage block
In block-identified write-in information of vehicles file in chain, and saved as attached sheet；
The client, which orients release information, encryption, and only encrypts to client personal information；
The vehicle can inquire the use information of vehicle, accident condition by query node when being sold, right
Vehicle is traced.
9. a kind of vehicle transaction retroactive method based on block chain according to claim 1, it is characterised in that described same
The shop sale of automobile 4S that multiple dealers in system are defined as in same brand, same agent under one's name sell point, independence
Qi Mao group, APP on the shop 4S in same company and used car store and line.
10. a kind of vehicle transaction retroactive method based on block chain according to claim 1, it is characterised in that described same
Multiple agencies of the same insurance company in a area refer under same insurance company, divide and belong in same region great Qu
Multiple agencies.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810921880.4A CN109242507A (en) | 2018-08-14 | 2018-08-14 | A kind of vehicle transaction retroactive method based on block chain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810921880.4A CN109242507A (en) | 2018-08-14 | 2018-08-14 | A kind of vehicle transaction retroactive method based on block chain |
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Cited By (15)
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| CN109658273A (en) * | 2019-01-24 | 2019-04-19 | 易保互联医疗信息科技（北京）有限公司 | Business insurance based on block chain is quickly settled a claim method, storage medium and equipment |
| CN110502905A (en) * | 2019-07-10 | 2019-11-26 | 布比（北京）网络技术有限公司 | A kind of distributed account book method of commerce and system of secret protection |
| CN110866039A (en) * | 2019-11-28 | 2020-03-06 | 山东浪潮人工智能研究院有限公司 | Block chain-based automobile insurance record query method and system |
| CN111415164A (en) * | 2020-05-07 | 2020-07-14 | 广州天环区块链技术有限公司 | Automobile transaction system based on block chain technology and implementation method thereof |
| CN111563121A (en) * | 2020-04-27 | 2020-08-21 | 中国银行股份有限公司 | Information management system |
| CN111861466A (en) * | 2020-07-22 | 2020-10-30 | 无锡挚达物联科技有限公司 | Electric two-wheeled vehicle asset management method based on block chain |
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| CN111885072A (en) * | 2020-07-29 | 2020-11-03 | 中国联合网络通信集团有限公司 | Information updating method, server and terminal |
| CN111885074B (en) * | 2020-07-29 | 2021-12-14 | 中国联合网络通信集团有限公司 | Block chain-based information change method, vehicle management station node and operator node |
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