CN113435981A - Bidding data processing system and method based on block chain - Google Patents
Bidding data processing system and method based on block chain Download PDFInfo
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- CN113435981A CN113435981A CN202110830324.8A CN202110830324A CN113435981A CN 113435981 A CN113435981 A CN 113435981A CN 202110830324 A CN202110830324 A CN 202110830324A CN 113435981 A CN113435981 A CN 113435981A
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- G—PHYSICS
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- 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]
- G06Q30/0611—Request for offers or quotes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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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
- G06Q30/08—Auctions
Abstract
The invention discloses a bidding data processing system and method based on a block chain, wherein an application layer, a transaction layer and a bottom layer platform are sequentially arranged from top to bottom; the application layer is used for establishing visual management of transparent bid evaluation, anti-counterfeiting verification, public trust establishment and data storage certificate and storing any processing information in the data processing process of the bid inviting process; the trading layer is used for evaluating independent bids by expert judges after bidders submit bid documents in the system, and automatically triggering contracts and automatically executing the contracts based on intelligent contracts; the bottom platform is used for establishing a network protocol, a security mechanism, an intelligent contract and consensus management in the block chain network; the method has the advantages that the block chain and the bidding service are combined, so that the data open transparency is realized, and the safety performance of data information is improved; the characteristics of decentralization, high transparency, no tampering, safety, credibility and the like of the bidding service processing data are realized.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a bidding data processing system and method based on a block chain.
Background
The bidding is a behavior process of a bidder who prefers a selected project from the behavior process of the bidders by attracting the bidders to compete equally according to the same conditions through a pre-published purchasing requirement and organizing experts in the aspects of technology, economy, law and the like to comprehensively review the bidders according to a specified program in purchasing behaviors of goods, engineering and services. It is essential to obtain the best goods, projects and services at a lower price. However, in the conventional bidding technology, data in the whole bidding process is not disclosed, so that the bidding process is not disclosed and transparent, the data safety performance is not high, and the traceability is poor.
In view of this, the present application is specifically made.
Disclosure of Invention
The invention aims to solve the technical problem of how to realize the public transparency performance of bidding data, and aims to provide a block chain-based bidding data processing system and method, which can realize that the whole bidding process is transparent to data public and can realize the traceability of the data.
The invention is realized by the following technical scheme:
a bid data processing system based on a block chain comprises a block chain network, wherein the block chain network comprises an application layer, a transaction layer and a bottom platform, and the application layer, the transaction layer and the bottom platform are sequentially arranged from top to bottom;
the application layer is used for establishing visual management of transparent bid evaluation, anti-counterfeiting verification, establishment of public trust and data storage certificate and storing any processing information in the data processing process of the bid inviting process;
the trading layer is used for enabling bidders to submit bidding documents in the system, enabling expert judges to independently evaluate the bidding documents, determining successful bidders according to a consensus mechanism, and automatically triggering contracts and automatically executing the contracts based on intelligent contracts;
the bottom platform is used for establishing a network protocol, a security mechanism, an intelligent contract and consensus management in the block chain network.
In the traditional bidding service, a third-party agency mechanism is used for marking and processing bidding documents and putting the bidding documents for bidding, but in the traditional bidding service processing process, data in the bidding evaluation process cannot be disclosed generally, so that the data is opaque and the safety is poor; the invention provides a bidding data processing system and method based on a block chain, which combine the block chain with the bidding service processing, and adopt the open encryption mode for the uploaded file information and the generated file information data in the bidding service processing process, thereby realizing the transparency of the data and ensuring the safety of the information.
Preferably, the transparent bid evaluation is to perform visual management on data generated in the bid and bid service processing process; the data evidence is that any one generated data is encrypted and stored in the bidding service processing process.
Optionally, the network protocol is used for developing and testing the current blockchain network environment after protocol analysis;
the security mechanism is used for realizing unique matching of each bidder by adopting a private key signature, generating a Merkle tree transaction set and a block link address by utilizing a Hash algorithm and digitally signing transactions by adopting an asymmetric cryptography algorithm to realize the security performance between block link networks;
the intelligent contract is used for automatically triggering or executing a contract;
the consensus management is used for establishing a consensus mechanism of the bidding service based on member management, algorithm configuration and shared accounts.
Preferably, the contract comprises a public result, a bid-winning notice, a contract, automatic acceptance of the system and automatic payment.
Preferably, the mechanism for establishing a consensus of the bidding service specifically includes:
in the block chain network, organization and member management of a common chain and a private chain are set, node member authority is set, and a consensus mechanism is established based on a workload certificate, a rights and interests certificate and a share authorization certificate.
Preferably, the node member authority includes a tenderer node member authority, a bidder node member authority and a bidder node member authority;
the membership permission of the tenderer node is used for writing the tenderer announcement into the block chain by adopting a Hash encryption method;
the member permission of the bidder nodes is used for delivering the bidding documents to the block chain;
and the member permission of the bid evaluation person node is used for automatically evaluating bid inviting announcements and bid documents based on a P2P network.
Preferably, the blockchain network adopts open source codes, defines the transaction types of the blocks and simultaneously constructs the intelligent contracts.
The invention also discloses a bidding data processing method based on the block chain, which is realized based on the processing system and comprises the following steps:
submitting the compiled electronic edition of the bidding document through a block chain platform according to the requirement of the bidding document by a bidder, uploading the final draft hash value of the bidding document to a block chain for storing the certificate, and locking the certificate through a timestamp;
the bidder uploads the bid document to a trading layer platform of the block chain;
the bid evaluation party carries out remote bid evaluation based on the bid inviting file and the bid file, and if the bidders meeting the bid inviting requirement are not full of three, the bid inviting party flow is violent; if the unique value is achieved through a consensus mechanism to determine the successful bid winner, the system automatically issues a successful bid notice, automatically signs a contract based on an intelligent contract, and stores the bid evaluation result on an uploading block chain.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the bidding data processing system and method based on the block chain combine the block chain with the bidding service, thereby realizing the data open transparency, increasing the safety performance of data information, ensuring the standardization and fairness of the bidding work, and integrating, speeding and increasing the efficiency of a public resource transaction platform;
2. the bidding data processing system and method based on the block chain, provided by the embodiment of the invention, have the characteristics of decentralization, high transparency, collective maintenance, non-falsification, safety, reliability and the like of the bidding service processing data, and ensure the trueness and traceability of key link data in a transaction process.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a block chain-based bidding data processing system
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Example one
The embodiment discloses a bidding data processing system based on a block chain, as shown in fig. 1, which includes a block chain network, wherein the block chain network includes an application layer, a transaction layer and a bottom platform, and the application layer, the transaction layer and the bottom platform are sequentially arranged from top to bottom;
compared with the traditional bidding operation mode, the block-connected and bidding transaction platform is safer, more efficient and more reliable in process. The evaluation of the benchmarks by the evaluation staff P2P is not interfered with each other, and the objectivity of the benchmarks can be ensured to the maximum extent; once the bid-winning information is confirmed and meets the specified public deadline, a bid-winning notice is immediately sent to a bid-winning person, and the strict adherence time node does not drag;
the application layer is used for establishing visual management of transparent bid evaluation, anti-counterfeiting verification, establishment of public trust and data storage certificate and storing any processing information in the data processing process of the bid inviting process;
the transparent bid evaluation is to perform visual management on data generated in the bid and bid service processing process; the data evidence is that any one generated data is encrypted and stored in the bidding service processing process.
The trading layer is used for enabling bidders to submit bidding documents in the system, enabling expert judges to independently evaluate the bidding documents, determining successful bidders according to a consensus mechanism, and automatically triggering contracts and automatically executing the contracts based on intelligent contracts;
in a transaction layer, the system automatically matches the tenderer with the winning bidder according to the operation rule and implements contract signing; the method is matched with the deep penetration of the current block chain technology to the financial industry, the cooperation force with banks is continuously increased, the automatic refund and automatic payment of the bidding deposit and the performance deposit are ensured, manual payment is not needed, the flow is greatly simplified, and the fund resources are saved.
In the bid inviting and bid evaluating system, bid inviting file requirements and bid files of each bidding enterprise can be placed on a alliance chain, actual application of projects is programmed through a script language, nodes mutually trust and directly exchange data resources, the nodes with accounting authority (expert evaluation) participate in control verification and reach consensus, and participation of a bid inviting agency or a government department (a third party) is eliminated.
The system records whole-course comment comments and circulation information by using a timestamp function, and realizes decentralized distributed information data storage by combining a block chain P2P communication principle, thereby ensuring that block information cannot be tampered, safety and reliability, and thoroughly converting the subjective 'trust to people' into objective 'trust to machines'. Chain structure information of the whole block chain is visualized, and after other nodes (bidders) are added into a network protocol, the whole bid evaluation process can be traced and traced, and the bid inviting and bid evaluation system can be self-trusted.
The bottom platform is used for establishing network protocols, security mechanisms, intelligent contracts and consensus management in the blockchain network.
A basic technical framework of a bottom-layer platform of 'block chain + bid' needs to combine four functions of a block chain network protocol, a security mechanism, an intelligent contract and consensus management, develop and test a network environment after protocol analysis, realize unique matching of each bidder by adopting private key signature, generate a Merkle tree transaction set and a block link address by utilizing a Hash algorithm, and digitally sign transactions by adopting an asymmetric cryptography algorithm, thereby effectively avoiding internal cooperative bid string among bidders, and systematically inhibiting the conditions of entrusting the same unit or individual to participate in bidding, transferring bid guarantee funds from the same account and the like.
The network protocol is used for developing and testing the current block chain network environment after being analyzed based on the protocol; the intelligent contract is embedded into the transaction platform, so that automatic triggering and automatic execution of the contract are realized, the system automatically discloses, issues a bid-winning notice and signs the contract, and after the project is implemented, the system automatically checks and accepts and automatically pays without manual operation. In time, the 24-hour all-weather automatic transaction of resources and services can be realized through intelligent contracts, the transaction of merchants is facilitated, time and labor are saved, and meanwhile, huge risk loss caused by manual misoperation is avoided.
And the consensus management is used for establishing a consensus mechanism of the bidding service based on member management, algorithm configuration and shared accounts.
The organization and member management of a common chain and a private chain established by the system sets node member authority, selects a common recognition mechanism suitable for a configured scene according to algorithms such as workload certification (PoW), rights and interests certification (PoS), stock authorization certification (DPoS) and the like, and establishes a verification criterion required by a transaction layer and an application layer to achieve objective specifications and unique values.
The consensus mechanism for establishing the bidding service specifically comprises:
in the block chain network, organization and member management of a common chain and a private chain are set, node member authority is set, and a consensus mechanism is established based on a workload certificate, a rights and interests certificate and a share authorization certificate.
The block chain is an open source system, and is used for opening and disclosing transparent information and codes for the public, and anyone can inquire related data information and code information in a network system through a block chain public interface to construct an intelligent contract.
Each tenderer or bidder is an independent node, and can issue tendering announcements and respond to bidding documents by oneself without the participation of a third party; after the bid-winning information of the bid-winning project is confirmed, the client can compile block related application programs according to the bid-winning file requirements and the bid file response conditions of the winning bidders, the complex transaction process is completed without human intervention and management and control, tasks such as authentication, inspection, settlement and the like of project progress are automatically processed, manual operation confirmation is not needed, the operation is convenient, fast and efficient, the operation is needed according to the contract flow, the data information of the whole operation flow is real, credible and not falsifiable due to intelligent contracts, the safety guarantee is strengthened, and all related transaction and contract information can be stored permanently.
The node member authority comprises a tenderer node member authority, a bidder node member authority and a bidder node member authority;
the membership authority of the tenderer node is used for writing the tenderer announcement into the block chain by adopting a Hash encryption method;
the member authority of the bidder node is used for delivering the bid document to the block chain;
and the member authority of the bid evaluation person node is used for automatically evaluating bid inviting announcements and bid documents based on a P2P network.
The block chain is supported by a P2P network communication technology, each node is a requester and a server, the nodes mutually trust and directly exchange data resources, and when the block chain is used in a bidding industry, the intervention of human factors and subjective thinking intervention are reduced without depending on a bidding agency or a third-party trading platform of the government, the decentralization of bid evaluation, bid winning and signing procedures is realized, the trading flow is simplified, the trading cost is reduced, a real objective and transparent game rule is established, meanwhile, the nodes collectively participate in system maintenance, the safety of bidding trading is improved, and the operation risk is reduced.
The block chain traceability technology is used in the bidding field, can be used for tracing the bidding enterprises, tracing enterprise information sources like a supply chain, sharing information with the bidding enterprises, tracing the bidding evaluation process, enabling persons with authority to call related records, transparentizing the bidding evaluation information and building a bridge between the government, the bidder and the bidding enterprises. The block chain stores the evaluation records on the block chain network forever, the evaluation records cannot be erased or modified, and can be watched at any time to form a brand which can not be erased forever, so that the government public trust is improved, the healthy development of the bidding industry is promoted, and the excellent reputation is established.
The block chain network adopts open source codes, defines the transaction types of the blocks and simultaneously constructs intelligent contracts.
The block chain implements open source codes, can be used for programming, defining block transaction types, constructing intelligent contracts and ensuring safe, reliable and automatic operation of bidding transactions. And establishing a block chain transaction layer on the basis of a block chain bottom layer platform, submitting a bidding document in the system by a bidder, evaluating the independent bid by an expert evaluation committee, and determining the successful bidder according to a consensus mechanism.
Therefore, the bidding data processing system based on the block chain, which is provided by the embodiment, discloses that the bidding whole-course information is transparent without blind spots on one hand, and on the other hand, the historical bidding information can be conveniently traced back at any time. Meanwhile, according to the chain linking of the historical data, the credit rating of the bidding main body can be carried out by group managers and supervision organizations, and the purposes of openness, fairness and honesty in the bidding process are achieved.
Example two
The embodiment discloses a bid data processing method based on a block chain, which is implemented based on the bid data processing system based on the block chain provided in the first embodiment, and the processing method is as follows:
submitting the compiled electronic edition of the bidding document through a block chain platform according to the requirement of the bidding document by a bidder, uploading the final draft hash value of the bidding document to a block chain for storing the certificate, and locking the certificate through a timestamp;
submitting the compiled electronic edition of the bidding document through a block chain platform according to the requirement of the bidding document by a bidder, uploading the final draft hash value of the bidding document to the block chain for storing the certificate, and locking through a timestamp, wherein the block chain platform is used for ensuring that sensitive information in the bidding document cannot be changed after submission;
the bidder uploads the bid document to a trading layer platform of the block chain;
the information of tendering participating units and personnel such as tenderers, bidders, tender evaluation experts and the like can be publicly inquired on the block chain, and rapid identity authentication can be realized by scanning two-dimensional codes, fingerprints, face recognition and the like;
the bid evaluation party carries out remote bid evaluation based on the bid inviting file and the bid file, and if the bidders meeting the bid inviting requirement are not full of three, the bid inviting party flow is violent; if the unique value is achieved through a consensus mechanism to determine the successful bid winner, the system automatically issues a successful bid notice, automatically signs a contract based on an intelligent contract, and stores the bid evaluation result on an uploading block chain.
Adopting remote bid evaluation, and linking and storing the bid evaluation result in a specified time after passing the verification of the expert identity system; and storing the expert scoring and the final scoring result in the bid opening process into a block chain at the first time, and providing an public interface for the outside. Any person or participant in question in the bidding process can trace back the original evidence storing data of the bidding process through the interface; through linking the bidding whole-process data, the non-blind-spot transparency of the bidding whole-process information is disclosed on one hand, and the historical bidding information is convenient to trace back at any time on the other hand. Meanwhile, according to the chain linking of the historical data, the credit rating of the bidding main body can be carried out by group managers and supervision organizations, and the purposes of openness, fairness and honesty in the bidding process are achieved.
Therefore, the block chain-based bidding data processing method provided by the embodiment constructs a new ecological bidding system of 'block chain + bidding', aims to implement safe and reliable bidding project docking through a high-efficiency block chain cloud service, opens internal service capability, visually manages information data, simplifies operation procedures, eliminates unnecessary transaction cost in bidding, promotes information sharing and guarantees information credibility, facilitates public and social supervision, and avoids fatness, fundamentally solves the information fraud and rights renting phenomena existing in social value exchange and transfer, enables a block chain to truly become a 'machine for establishing trust', assists in healthy development of government public credibility, and improves economic efficiency and social benefit of the bidding system.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A bid data processing system based on a block chain is characterized by comprising a block chain network, wherein the block chain network comprises an application layer, a transaction layer and a bottom layer platform, and the application layer, the transaction layer and the bottom layer platform are sequentially arranged from top to bottom;
the application layer is used for establishing visual management of transparent bid evaluation, anti-counterfeiting verification, establishment of public trust and data storage certificate and storing any processing information in the data processing process of the bid inviting process;
the trading layer is used for enabling bidders to submit bidding documents in the system, enabling expert judges to independently evaluate the bidding documents, determining successful bidders according to a consensus mechanism, and automatically triggering contracts and automatically executing the contracts based on intelligent contracts;
the bottom platform is used for establishing a network protocol, a security mechanism, an intelligent contract and consensus management in the block chain network.
2. The system for processing data of bid based on block chain as claimed in claim 1, wherein the bid evaluation transparency is to perform visual management on data generated during the bid service processing; the data evidence is that any one generated data is encrypted and stored in the bidding service processing process.
3. The system of claim 1,
the network protocol is used for developing and testing the current block chain network environment after being analyzed based on the protocol;
the security mechanism is used for realizing unique matching of each bidder by adopting a private key signature, generating a Merkle tree transaction set and a block link address by utilizing a Hash algorithm and digitally signing transactions by adopting an asymmetric cryptography algorithm to realize the security performance between block link networks;
the intelligent contract is used for automatically triggering or executing a contract;
and the consensus management is used for establishing a consensus mechanism of the bidding service based on member management, algorithm configuration and shared accounts.
4. The system of claim 3, wherein the contract comprises a result of public work, a notice of winning bid, a contract, an automatic acceptance of the system, and an automatic payment.
5. The system according to claim 3, wherein the mechanism for establishing a consensus on bidding service comprises:
in the block chain network, organization and member management of a common chain and a private chain are set, node member authority is set, and a consensus mechanism is established based on a workload certificate, a rights and interests certificate and a share authorization certificate.
6. The system for processing data of bidding based on block chain of claim 5, wherein the node membership rights comprise bidder node membership rights, bidder node membership rights and bidder node membership rights;
the membership permission of the tenderer node is used for writing the tenderer announcement into the block chain by adopting a Hash encryption method;
the member permission of the bidder nodes is used for delivering the bidding documents to the block chain;
and the member permission of the bid evaluation person node is used for automatically evaluating bid inviting announcements and bid documents based on a P2P network.
7. The bid data processing system according to any one of claims 1 to 6, wherein the blockchain network employs open source code to define transaction types of blocks and construct intelligent contracts at the same time.
8. A bidding data processing method based on block chain, wherein the processing method is implemented based on the processing system of any one of claims 1 to 7, and the method steps comprise:
submitting the compiled electronic edition of the bidding document through a block chain platform according to the requirement of the bidding document by a bidder, uploading the final draft hash value of the bidding document to a block chain for storing the certificate, and locking the certificate through a timestamp;
the bidder uploads the bid document to a trading layer platform of the block chain;
the bid evaluation party carries out remote bid evaluation based on the bid inviting file and the bid file, and if the bidders meeting the bid inviting requirement are not full of three, the bid inviting party flow is violent; if the unique value is achieved through a consensus mechanism to determine the successful bid winner, the system automatically issues a successful bid notice, automatically signs a contract based on an intelligent contract, and stores the bid evaluation result on an uploading block chain.
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