CN110503523A - A kind of e-bidding purchasing system based on block chain technology - Google Patents
A kind of e-bidding purchasing system based on block chain technology Download PDFInfo
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- CN110503523A CN110503523A CN201910783491.4A CN201910783491A CN110503523A CN 110503523 A CN110503523 A CN 110503523A CN 201910783491 A CN201910783491 A CN 201910783491A CN 110503523 A CN110503523 A CN 110503523A
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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
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0633—Workflow analysis
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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
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
Abstract
The invention discloses a kind of e-bidding purchasing systems based on block chain technology, the present invention is the technical characterstics such as Distributed Storage, point-to-point transmission, common recognition mechanism, Encryption Algorithm using block chain block chain, reach the storage mode of decentralization, in conjunction with the characteristics of e-bidding, push the traceable of bidding wisdom and bidding and tendering process, it is anti-tamper, information is opaque during e-bidding effectively being solved, it runs lack of standardization, information is dangerous, the problems such as mark string mark evidence obtaining is difficult is enclosed, to make entire e-bidding open process, justice, just.
Description
Technical field
The present invention relates to a kind of e-bidding purchasing systems based on block chain technology.
Background technique
With the continuous development of information network technique, under traditional line, the bidding mode of papery be gradually abandoned, take and
Instead of be e-bidding.E-bidding application so that bidding operation flow more standardizes, efficiency significantly improves and
Environmental protection and saving, but also occur new problem at the same time, such as: information is opaque during e-bidding, and operation is not advised
Model, resource are not shared, and information is dangerous etc..And block chain Distributed Storage, point-to-point transmission, common recognition mechanism, encryption calculation
The new application mode of the computer technologies such as method just can solve problem above.Block chain can be divided into publicly-owned from Technical Architecture
Chain, privately owned chain and alliance's chain, publicly-owned chain can ensure that the safety of data, and privately owned chain can reduce transaction cost, improve trading efficiency
And information privacy, therebetween, by the block chain of the common participative management of several mechanisms, each mechanism transports alliance's chain
Go one or more nodes, data therein only allow mechanism different in system to be written and read and sends transaction, and are total to
With recording transaction data.The combination that technology is purchased by block chain technology and e-bidding, makes entire e-bidding process
It is more open, fair and impartial.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of electricity based on block chain technology
Sub- bid and purchase system.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of e-bidding purchasing system based on block chain technology, which is characterized in that in conjunction with block chain technology to biography
The e-bidding system of system improves optimization, carries out technology to transaction platform, public service platform and administrative supervision platform
Innovation；The transaction platform be mainly used for the whole process electronization of project for bidding process of exchange (including establishment of item, bulletin letter
The publication of breath, the registration of supplier, the paying of guarantee fund, online open sealed tenders, the signing of contract and the evaluation for purchasing both sides)；
The public service platform for the prestige of bid inviter (purchaser) and bidder (supplier), Transaction Information, technocracy and
Extraction, news dynamic, place, the information service of policies and regulations and interaction platform；The administrative supervision platform mentions for superintendent office
The processing such as electronization supervision and customer complaint suggestion for the various information in bidding and tendering process；It will be each using block chain technology
Supplier information, Transaction Information, the file information, expert info and the assessment of bids data of big system are carried on the back using block chain technology
Book, the identity for obtaining whole network unique identification carry out data input, guarantee the uniqueness of data.
Further, each node in block chain network is by hash algorithm and Merkle tree data structure, by one
The transaction data that receives and code wrap be into a data " block " in the section time, and on " chain " to current main block chain,
Form newest block；Block interlinks continuous renewal in chronological order, to keep the last state of account book, to form one
A huge and accurate information network.
Further, the block chain is divided into publicly-owned chain, privately owned chain and alliance's chain from Technical Architecture, and publicly-owned chain is for true
Protect the safety of data；Privately owned chain is for reducing transaction cost, raising trading efficiency and information privacy；Alliance's chain is between the two
Between, by the block chain of the common participative management of several mechanisms, each mechanism runs one or more nodes, number therein
According to mechanism different in only permission system it is written and read and sends transaction, and record transaction data jointly.
The beneficial effects obtained by the present invention are as follows being:
The present invention purchases the combination of technology by block chain technology and e-bidding, makes entire e-bidding process more
It is open, fair and impartial.The e-bidding bidding system that three large platforms classification of the invention is clear, has complementary functions, interconnects,
Finally realize all project for bidding overall process electronizations.Utilize block chain Distributed Storage, point-to-point transmission, common recognition machine
The new application mode of the computer technologies such as system, Encryption Algorithm believes the supplier information of major system, Transaction Information, bulletin
Breath, credit information, expert info etc. are pushed into block chain network, and the identity for obtaining whole network unique identification carries out data input, from
And guarantee the uniqueness of data.Each node in block chain network passes through hash algorithm (SHA-256) and Merkle tree number
According to structure, by the transaction data received in a period of time and code wrap into a data " block ", and " chain " is arrived currently
On main block chain, newest block is formed.Block interlinks continuous renewal in chronological order, to keep the newest shape of account book
State, to form a huge and accurate information network.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment
As shown in Figure 1, a kind of e-bidding purchasing system based on block chain technology, which is characterized in that in conjunction with block chain
Technology optimization is improved to traditional e-bidding system, it is flat to transaction platform, public service platform and administrative supervision
Platform carries out technological innovation；The transaction platform is mainly used for process of exchange (including the project of the whole process electronization of project for bidding
Creation, the publication of notice information, the registration of supplier, the paying of guarantee fund, online open sealed tenders, the signing of contract and buying
The evaluation of both sides)；The public service platform is for the prestige of bid inviter (purchaser) and bidder (supplier), transaction letter
Breath, technocracy and extraction, news dynamic, place, the information service of policies and regulations and interaction platform；The administrative supervision platform
The processing such as electronization supervision and the customer complaint suggestion of the various information in bidding and tendering process are provided for superintendent office；Utilize area
The supplier information of major system, Transaction Information, the file information, expert info and assessment of bids data are utilized block chain by block chain technology
Technology is endorsed, and the identity for obtaining whole network unique identification carries out data input, guarantees the uniqueness of data.
Each node in block chain network, will be in a period of time by hash algorithm and Merkle tree data structure
The transaction data and code wrap received is formed newest into a data " block ", and on " chain " to current main block chain
Block；Block interlinks continuous renewal in chronological order, to keep the last state of account book, thus formed one it is huge and
Accurate information network again.
The block chain is divided into publicly-owned chain, privately owned chain and alliance's chain from Technical Architecture, and publicly-owned chain is for ensuring data
Safety；Privately owned chain is for reducing transaction cost, raising trading efficiency and information privacy；Alliance's chain therebetween, by
The block chain of the common participative management of several mechanisms, each mechanism run one or more nodes, and data therein only permit
Perhaps mechanism different in system is written and read and sends transaction, and records transaction data jointly.
This system can be divided into 6 stages according to e-bidding process, be respectively as follows: bid registration stage, title examination
Stage, opening of bid stage, assessment of bids stage, contract stage, evaluation phase.Detailed overview is done to above-mentioned 6 stages below.
(1) it registers the stage
The registration stage builds a Distributed sharing account book by block chain, and related side can intervene at the very start entirely
Bidding and tendering process.Before bidding unlatching, purchaser's (or bidding agency) and supplier can by share account book system come
Business intercommunication is carried out with authorities, the real information after audit provides information sharing service for follow-up process.Each main body
Common cochain, and combined data excavates with the ability of big data the verifying for solving bidder's registration link.To guarantee data
Uniqueness and accuracy.
(2) the title examination stage
The title examination stage by data sharings cochains such as the qualification information, historical transactional information, credit information of supplier, just
It is supported in providing enough information services in progress data communication, audit.When prequalification expert carries out title examination, have
More history truthful datas are for inquiry, the importing of the successful information of honouring an agreement with complete mark of such as all previous bidding, convenient for it to entire
The inquiry and confirmation of data validity in checking process.By intelligent contract come the tender bond process of peremptory norm bidder
Efficient implementation, solve bidder in conjunction with penalty mechanism on a part of chain and asked in the reality for bringing back tender bond interest
Topic, and entire information cochain, it is Clear & Transparent to look into, it avoids fund from being diverted to other purpose or postponed and gives back bidder.
(3) it opens bid the stage
Data cochain of the dimensioning phase by regulatory agency is opened, is disclosed after expert evaluating phase data opening of bid, entirely opens calibration
Stage supervises data transparency, increases the confidence level of bidding and tendering process.
(4) assessment of bids stage
The assessment of bids information cochain of expert is made the entire assessment of bids disclose, is transparent by dimensioning phase.
(5) the contract stage
The contract stage not only includes the legal conjunction of entire bidding and tendering process to the contract dataset cochain after bidding success
Rule will also be included in the performance of subsequent contract execution, be come real in conjunction with completion audit information by utilizing big data technology
Xian Duo authorities complete data to the reference Resolving probiems of each main body participant of bidding and tendering process, while for subsequent history engineering
Equal information source tracings, work come the grading promoted and Jianzhen.
(6) evaluation phase
Evaluation phase is evaluated relevant main body after entire bidding and tendering process, evaluation information cochain, after being
Qualification provides foundation in continuous bidding activity.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (3)
1. a kind of e-bidding purchasing system based on block chain technology, which is characterized in that in conjunction with block chain technology to tradition
E-bidding system improve optimization, to transaction platform, public service platform and administrative supervision platform carry out technology leather
Newly；The transaction platform is mainly used for process of exchange (including the establishment of item, notice information of the whole process electronization of project for bidding
Publication, the registration of supplier, the paying of guarantee fund, online open sealed tenders, the signing of contract and the evaluation for purchasing both sides)；Institute
State prestige, Transaction Information, technocracy and pumping of the public service platform for bid inviter (purchaser) and bidder (supplier)
It takes, news dynamic, place, the information service of policies and regulations and interaction platform；The administrative supervision platform provides for superintendent office
The processing such as the electronization supervision and customer complaint suggestion of the various information in bidding and tendering process；It will be major using block chain technology
Supplier information, Transaction Information, the file information, expert info and the assessment of bids data of system are endorsed using block chain technology,
The identity for obtaining whole network unique identification carries out data input, guarantees the uniqueness of data.
2. a kind of e-bidding purchasing system based on block chain technology according to claim 1, which is characterized in that block
Each node in chain network is by hash algorithm and Merkle tree data structure, the transaction that will be received in a period of time
Data and code wrap form newest block into a data " block ", and on " chain " to current main block chain；Block is pressed
Time sequencing interlinks continuous renewal, to keep the last state of account book, to form a huge and accurate information
Network.
3. a kind of e-bidding purchasing system based on block chain technology according to claim 2, which is characterized in that described
Block chain is divided into publicly-owned chain, privately owned chain and alliance's chain from Technical Architecture, and publicly-owned chain is used to ensure the safety of data；Privately owned chain
For reducing transaction cost, improve trading efficiency and information privacy；Alliance's chain is therebetween, common by several mechanisms
The block chain of participative management, each mechanism run one or more nodes, and data therein only allow different in system
Mechanism is written and read and sends transaction, and records transaction data jointly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910783491.4A CN110503523A (en) | 2019-08-23 | 2019-08-23 | A kind of e-bidding purchasing system based on block chain technology |
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| CN201910783491.4A CN110503523A (en) | 2019-08-23 | 2019-08-23 | A kind of e-bidding purchasing system based on block chain technology |
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Cited By (6)
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| CN111062690A (en) * | 2019-12-12 | 2020-04-24 | 天津理工大学 | User purchase management system based on block chain technology |
| CN111353000A (en) * | 2020-03-06 | 2020-06-30 | 标信智链(杭州)科技发展有限公司 | Transaction network system, method and device for safely opening electronic insurance |
| CN111427954A (en) * | 2020-03-20 | 2020-07-17 | 标信智链(杭州)科技发展有限公司 | Method and device for sharing transaction subject data based on block chain |
| CN111461851A (en) * | 2020-05-22 | 2020-07-28 | 烟台大学 | Double-blind bidding system and bidding method based on block chain |
| CN112541732A (en) * | 2020-12-09 | 2021-03-23 | 国网浙江省电力有限公司物资分公司 | Intelligent bidding contract generation method and device and readable storage medium |
| CN112767091A (en) * | 2021-01-29 | 2021-05-07 | 湖南大学 | Method, device and medium for processing supervisable bid and privacy based on block chain |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111062690A (en) * | 2019-12-12 | 2020-04-24 | 天津理工大学 | User purchase management system based on block chain technology |
| CN111353000A (en) * | 2020-03-06 | 2020-06-30 | 标信智链(杭州)科技发展有限公司 | Transaction network system, method and device for safely opening electronic insurance |
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| CN111461851A (en) * | 2020-05-22 | 2020-07-28 | 烟台大学 | Double-blind bidding system and bidding method based on block chain |
| CN111461851B (en) * | 2020-05-22 | 2023-04-14 | 烟台大学 | Double-blind bidding system and bidding method based on block chain |
| CN112541732A (en) * | 2020-12-09 | 2021-03-23 | 国网浙江省电力有限公司物资分公司 | Intelligent bidding contract generation method and device and readable storage medium |
| CN112767091A (en) * | 2021-01-29 | 2021-05-07 | 湖南大学 | Method, device and medium for processing supervisable bid and privacy based on block chain |
| CN112767091B (en) * | 2021-01-29 | 2024-03-01 | 湖南大学 | Block chain-based method, device and medium for processing supervision bidding and privacy |
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Application publication date: 20191126 |
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