KR20230034076A - Proposal evaluation system and method using blockchain in a closed network - Google Patents

Abstract

An objective of the present invention is to provide a proposal evaluation system and a proposal evaluation method using a blockchain in a closed network, which have features of aliases and data forgery prevention and can perform a reliable and quick proposal evaluation service. According to the present invention, the proposal evaluation system comprises: a blockchain network formed in a plurality of servers in a closed network, and storing proposal evaluation results generated by performing proposal evaluation work by using a blockchain; a storage part storing data supporting the proposal evaluation results outside the blockchain network; a transmission part relaying communication between the blockchain network and an external network, and determining data to classify data to be stored in the storage part or the blockchain network; a relay device connected to input devices used by a plurality of evaluation members through the external network to gather individual proposal evaluation results of the plurality of evaluation members, and transmitting the proposal evaluation results to the transmission part to store the proposal evaluation results in the blockchain network; and a manager webpage supporting to allow an evaluation manager to manage documents required for proposal evaluation of the evaluation members and carry out a proposal evaluation procedure.

Description

Proposal evaluation system and proposal evaluation method using blockchain in a closed network environment {PROPOSAL EVALUATION SYSTEM AND METHOD USING BLOCKCHAIN IN A CLOSED NETWORK}

The present invention uses block chain technology to prevent data forgery and falsification, transaction anonymization and pseudonymization technology, and adopts a computerized score input method even in a closed network environment where synchronization is difficult. It relates to a rapid proposal evaluation system and method.

Blockchain is a technology that distributes information to participating nodes, stores and manages it, and prevents data forgery and falsification due to organic coupling between stored information. In blockchain, a block refers to a data set in which several data are gathered in a fixed size, and a chain refers to a technology that connects two blocks with information about the previous block. In other words, a block is a box containing data, and a chain is a chain connecting these boxes.

The biggest feature of the blockchain system is that many participants collaborate in a distributed environment, but secure the reliability of data by sharing the same ledger. In order to add and change the contents of the shared ledger, consensus of the participants is required, otherwise data will not be added. Therefore, it is difficult to forge or falsify data unless certain difficult conditions are satisfied.

In addition, there is no need to register personal information because there is no control of a central authority in blockchain. In the initial block chain, transaction addresses are generated for each transaction on a one-time basis, and anyone can create a new address at any time without restrictions. Recent blockchain technology cannot be confirmed to guarantee anonymity through various tracking technologies, but pseudonymity exists by processing original information using encryption and hash functions using secret keys. .

On the other hand, proposal evaluation is the most actively carried out task in public institutions, and many procedures are required for fairness due to the nature of work in which external and public institutions come into contact. Many documents are printed and wasted using paper and toner to implement these procedures. In addition, by adopting the handwritten scoring method, while the assistants are checking and calculating the evaluation scores, unnecessary waiting is made for the judges to find out the authenticity.

Computerized proposal evaluation reduces wasted resources and waiting time for verification. However, the computerized proposal evaluation system should provide higher fairness and reliability of evaluation to participating companies than the existing method, and should protect the identity of the evaluators about the evaluation results from being exposed to others.

In addition, due to the nature of public institutions, many institutions use closed networks (OA networks) to conduct administrative tasks, which is a practical obstacle to applying blockchain technology to proposal evaluation.

Republic of Korea Publication No. 10-2021-0066230

The present invention is to provide a proposal evaluation system and method using a block chain in a closed network environment capable of performing a reliable and rapid proposal evaluation service with data forgery prevention and pseudonymity.

A proposal evaluation system according to an aspect of the present invention is formed on a plurality of servers in a closed network, and includes a block chain network for storing proposal evaluation results generated according to the progress of a proposal evaluation task using a block chain; a storage unit that stores data supporting the proposal evaluation result outside the blockchain network; a transmission unit relaying communication between the blockchain network and an external network, determining data, and classifying data to be stored into the blockchain network or the storage unit; It is connected to the input devices used by each of the plurality of judges through the external network, collects the individual proposal evaluation results of the plurality of judges, and transmits the proposal evaluation results to the transmission unit to be stored in the blockchain network. relay device; and a manager web page for supporting the evaluation manager to manage documents required for each judge's proposal evaluation and to proceed with the proposal evaluation process.

Here, the relay device may integrate and arrange the collected individual proposal evaluation results, receive confirmation from at least one of the auditor and the judge chairperson, and generate the proposal evaluation result.

Here, the relay device transmits the individual proposal evaluation results and the confirmation result of at least one of the auditor and the judge chairperson to the transmission unit in a batch manner;

The transmission unit may generate a proposal evaluation result by integrating and arranging the individual proposal evaluation results.

Here, the manager web page can inquire and manage stored data from a blockchain network or storage unit, upload documents necessary for proposal evaluation to the proposal evaluation system, and download documents related to evaluation results from the closed network. You can provide functions that you can receive.

Here, the transmission unit, a blockchain port for transmitting and receiving data with the blockchain network through the closed network; a DB port for transmitting and receiving data to and from the storage unit through the closed network or dedicated line; a relay device port for transmitting/receiving data with the relay device through a dedicated line or the external network; and a transmission processing unit for transmitting data between the blockchain port, the DB port, the relay device port, and the manager webpage, and the manager webpage may be provided in the form of a SW module.

Here, the relay device may include: a document storage unit for storing documents necessary for evaluating the proposal; an evaluation result buffer temporarily storing individual evaluation results of the judges; an internal communication port for transmitting and receiving data with the transmission unit; and an external network communication port for transmitting/receiving data with input devices used by the judges through the external network.

Here, the relay device may further include a result generating unit generating a proposal evaluation result.

Here, the identification information on the proposal to be evaluated, the results of the evaluation of the proposal, and the information on the evaluation participants are stored in the blockchain network, and the file of the proposal to be evaluated and the files containing the signatures of the participants may be stored in the storage unit. there is.

Here, the relay device has the form of a storage connected to a network, and performs a document sharing function in which terminals of evaluation participants upload and access documents to the relay device to share documents, through the document sharing function. It is possible to provide a service that can collect common documents written by evaluation participants into one document.

A proposal evaluation method according to another aspect of the present invention is a proposal evaluation method performed by a relay device connected to an external network and a transmission unit that is connected to a closed network in which a blockchain network is formed and transmits and receives data with the relay device. Uploading a document required for evaluation to the relay device; Supporting individual proposal evaluation performed by each of the plurality of judges while reading documents necessary for the proposal evaluation through the external network; preparing a proposal evaluation result by combining individual proposal evaluations of the judges; and recording the proposal evaluation result in the blockchain network.

Here, the step of uploading the necessary document to the relay device may include: receiving a document necessary for evaluating the proposal provided by a manager through a manager web page formed in a SW manner in the relay device; and transmitting the received document to the relay device.

Here, the step of supporting the evaluation of individual proposals includes providing documents that are allowed according to whether each judge is an internal member or an external member; reading the permitted document with the input device of the judge and receiving an evaluation score of each judge; performing exception processing when the input evaluation score is out of the standard range; and storing the signature of the judge.

Here, the step of preparing the proposal evaluation results may include: receiving confirmation from the head of the jury for the collected individual proposal evaluations; and receiving confirmation from an audit for the collected individual proposal evaluations.

Here, in the step of recording in the blockchain network, identification information on the proposal to be evaluated, the results of the proposal evaluation, and information on the evaluation participants are recorded in the blockchain network, and the proposal file to be evaluated and the signatures of the participants are recorded. The contained file may be stored in a storage unit accessible to the transmission unit.

If the proposal evaluation system and / or method using the block chain is implemented in a closed network environment according to the spirit of the present invention having the above configuration, the advantage of being able to perform reliable and rapid proposal evaluation service with the characteristics of data forgery prevention and pseudonymity there is

The proposal evaluation system and/or method using a block chain in a closed network environment of the present invention reduces the waste of many resources required in the previous handwriting method by using a computerized proposal, and performs quick checks with fewer errors through an automated score calculation method. has the advantage of providing

The proposal evaluation system and/or method using blockchain in a closed network environment of the present invention uses the large screen and pen writing characteristics of the terminal (tablet PC) to enable free data review and writing functions, which are the advantages of the previous handwriting method. This has the advantage of increasing the convenience of the evaluators.

A proposal evaluation system and/or method using a block chain in a closed network environment of the present invention utilizes an ad hoc network of relay devices in a block chain closed network (OA network) environment to quickly transfer necessary documents between terminals during evaluation. It has the advantage of transmitting and receiving at high speed and transmitting necessary documents and evaluation results to the OA network after evaluation so that the next administrative procedure can proceed smoothly.

1 is a system configuration diagram showing an embodiment of a proposal evaluation system using a block chain in a closed network environment according to the spirit of the present invention.
2 is a block diagram illustrating a proposal evaluation system according to an embodiment further including a storage unit as a storage DB for storing information for proposal evaluation in an internal OA network.
3 is a detailed block diagram illustrating an embodiment of a detailed configuration of a transmission unit of FIG. 1;
FIG. 4 is a detailed block diagram illustrating an embodiment of a detailed configuration of the relay device of FIG. 1 .
5 is a use case diagram of a proposal evaluation system using a blockchain in a closed network environment according to an embodiment.
6 is a flow diagram illustrating one embodiment of a proposal evaluation method according to the spirit of the present invention;

In describing the present invention, terms such as first and second may be used to describe various components, but the components may not be limited by the terms. Terms are only for the purpose of distinguishing one element from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.

When a component is referred to as being connected or connected to another component, it may be directly connected or connected to the other component, but it may be understood that another component may exist in the middle. .

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions may include plural expressions unless the context clearly dictates otherwise.

In this specification, the terms include or include are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features or numbers, It can be understood that the presence or addition of steps, operations, components, parts, or combinations thereof is not precluded.

In addition, shapes and sizes of elements in the drawings may be exaggerated for clearer description.

In the present invention, by implementing a proposal evaluation system using blockchain, a technology that satisfies characteristics such as reliability, fairness, and privacy protection, it is possible to participate in the evaluation of proposals by preventing exposure to evaluators, preventing forgery and falsification of scores, and automating score calculation. We want to provide a reliable and speedy proposal evaluation service that reduces the effort of bidders, judges and secretaries and reduces the time for proposal evaluation.

In addition, due to the nature of public institutions, many institutions use closed networks (OA networks) to perform administrative tasks. However, although the internal OA network is a closed network, many devices in many departments can access it, so in case of a large institution (organization), security/confidentiality is not guaranteed just by storing it in the internal network.

Therefore, a blockchain network formed in the internal OA network can be used to increase anonymity/pseudonymity along with security/confidentiality for proposal evaluation. However, if a blockchain node is installed in the internal OA network, security and performance issues occurring during communication with a mobile terminal cannot be ignored. In particular, it is difficult to apply in real time to a blockchain network formed in a closed network due to the delay of the data connection device of the blockchain.

In the present invention, in order to prevent performance deterioration due to speed differences and to secure both convenience and security, a relay server is installed to share documents at high speed during evaluation and upload to the OA network after evaluation.

The proposal evaluation system of the present invention, in a closed network environment where synchronization is difficult, which is one of the important operations of the block chain, i) an input unit for evaluating proposals by evaluators using portable terminals; ii) a relay device that communicates the entered information with other terminals and delivers it to a closed network; iii) a transmission unit that executes an administrator's webpage within a closed network and classifies data; iv) a blockchain network unit that distributes and stores evaluation results in nodes; v) admin web page to help the admin control the system of proposal evaluation; It is composed of block chain features such as prevention of data forgery and falsification, transaction anonymization and pseudonymization, and adopting computerized evaluation method to enable reliable and rapid evaluation.

1 is a system configuration diagram showing an embodiment of a proposal evaluation system using a block chain in a closed network environment according to the spirit of the present invention.

The illustrated proposal evaluation system can query and manage stored data from a blockchain network or storage unit, upload documents necessary for proposal evaluation and transmit them to terminal devices, and send documents related to evaluation to a closed network (OA network). a downloadable manager web page (not shown); A block chain network 200 for storing proposal evaluation results using a block chain in order to proceed with proposal evaluation work; A transmission unit 300 that helps communication between a blockchain network and an external network, determines data and classifies data into a blockchain or a storage unit; A network is configured to enable communication by transmitting and receiving evaluation results and documents input from terminal devices, and is connected to the closed network (OA network) to transmit evaluation results and related documents to the blockchain network after completion of proposal evaluation. relay device 500; It is possible to review various documents using a portable terminal device, and may include an input unit 600 for evaluating proposals by evaluators, capable of automatically calculating points based on an input evaluation score.

As shown in FIG. 1, the proposal evaluation system using blockchain in a closed network environment according to the present invention includes a blockchain node 100, a blockchain network 200, a transmission unit 300, a storage unit 400, a relay It includes a device 500 and an input unit 600 .

In accordance with the spirit of the present invention, essential components for implementing a proposal evaluation system using a blockchain in a closed network environment are the blockchain network 200, the transmission unit 300, and the relay device 500.

The blockchain network 200 is formed on a plurality of servers (i.e., nodes 100) within a closed network, and stores (records) the proposal evaluation results generated according to the progress of the proposal evaluation task using a blockchain. .

The transmission unit 300 may be implemented as WAS (API) as shown, relays communication between the blockchain network 200 and an external network, and determines data to transmit the blockchain network 200 or the The storage unit 400 classifies data to be stored.

The relay device 500 is connected to input devices used by a plurality of judges through the external network, collects individual proposal evaluation results of the plurality of judges, and transmits the proposal evaluation results to the blockchain network ( 200) to be transmitted to the transmission unit 300.

The manager web page supports the manager, who is an evaluation manager, to manage documents necessary for evaluation of each judge's proposal and proceed with the proposal evaluation process.

Summarizing from a hardware point of view, for example, the blockchain network 200 can be configured in servers 100 installed in the internal OA network, which is a closed network, and the relay device 500 is connected to the external network and is connected to the internal OA network The input unit 600 may correspond to information processing devices such as mobile phones, tablet PCs, and laptops owned by evaluation participants (secretaries, judges, auditors, etc.). can

For example, when the input unit 600 can receive a pen input, it can receive and calculate a score through machine learning handwriting recognition. Reliability of the evaluation result can be improved by checking the valid value for the entered value.

For example, when the input unit 600 is a personal information processing device of evaluation participants (secretary, judge, auditor, etc.), a separate security device distributed and installed to be part of the proposal evaluation system according to the spirit of the present invention. It may have a form of a SW module (ie, an application program) equipped with modules.

In general, in the case of an internal OA network, a permissioned blockchain is used as a dedicated blockchain operated by a specific company and allowed to be used only by internal employees of the company, but the blockchain network 200 is limited to the permissioned blockchain Alternatively, a public blockchain may be used. The blockchain node has a consensus algorithm suitable for the blockchain and stores data in a consistent manner.

2 illustrates a proposal evaluation system according to an embodiment further including a storage unit 300 as a storage DB for storing information for proposal evaluation in an internal OA network.

The illustrated storage unit 400 is a data storage for storing large amounts of data that are difficult to store in the blockchain network outside the blockchain network. Since large amounts of data cannot be stored in the blockchain, a hardware device to compensate for this is added to the internal OA network.

Depending on implementation, the transmission unit 300 may classify data received from an external network and transmit the data to the blockchain network 200 or store the data in the storage unit 400 . For example, after classifying data in the transmission unit, important data can be hashed with a smart contract and stored in the block chain, and the original file can be stored in the storage unit.

In addition, for the purpose of anonymizing and pseudonymizing the personal information of the evaluation member of the transmission unit 300, the smart contract was applied and registered in the blockchain storage. More specifically, ZKP (zero-knowledge proof technique) can be used in smart contracts to implement anonymization/pseudonymization methods.

In terms of cost and operational efficiency, the manager web page may be implemented in the form of software in the transmission unit 300 and will operate the proposal evaluation system. The manager web page applies access rights to the user to receive input of documents necessary for proposal evaluation from the secretary in charge of proposal evaluation, and provides (transmits) them to the input unit 600 via the relay device 500.

The secretary who proceeds with the proposal evaluation process may set the document input through the manager web page. Settings can include document settings for internal and external evaluators, registration of each document type, the number of companies participating in proposal evaluation, and a list of required documents to be submitted. Substantially, when the secretary inputs (designates) an internal/external judge, a judge chairperson, and a secretary to the proposal evaluation system of the present invention, and uploads document files for the proposal evaluation, the proposal evaluation of the present invention is performed. Depending on the system, proposal evaluation may be performed on a system-by-system basis.

The input unit 600 may operate based on settings registered in the manager web page. If software operation is restricted due to an error, proposal evaluation can proceed smoothly by operating only pre-prepared basic function programs.

The input unit 600 may be composed of terminals 600-1 to 600-4 possessed by the judges, the head of the judges, the auditor, and the secretary, capable of accessing the relay device 500 through the external network. there is.

Depending on the implementation, the input unit 600 can separately drive only the document review function in order to respond to system abnormal operation, and can separately drive only the automatic calculation program by inputting an evaluation score using an on-screen keyboard.

The blockchain network 200 is located in a closed network (internal OA network), and a relay device is located in a DMZ network. Since the DMZ network also belongs to the company's internal network, it is unstable in terms of security and performance for the portable terminal, which is the input unit 600, to transmit and receive data with the internal network in real time.

In order to compensate for this instability, a relay device 500 is placed to facilitate communication between terminals of the input unit 600 and to connect the external network and the internal network to provide data to the blockchain network 600 located in the closed network without security threats. Can send and receive.

Depending on the implementation, the relay device 500 has the form of a storage formed on a network-connected server, laptop, or Wi-Fi router, and the terminals of each evaluation participant upload and access documents to the relay device 500, You can perform a document sharing function that can share documents. In this case, the relay device 500 may provide a service for collecting common documents written by the evaluation participants into one document through the document sharing function. Additionally, an ad hoc network between terminals may be configured for the document sharing.

The relay device 500 may include a document sharing function and collect signatures included in meeting minutes and the like into one place. Additionally, the relay device 500 may store collected data (information) in the blockchain network 200 or in the storage unit 400 according to its size and type.

As a more specific example, large-capacity data that cannot be stored in the blockchain network is stored in the storage unit, but the identification information for the evaluation target proposal, the proposal evaluation result value, and the evaluation participants (judges, auditors, etc.) Information is stored in the blockchain network, and files of proposals to be evaluated (including attached files for reference) and files containing the signatures of the participants can be stored in the storage unit.

Depending on implementation, generation of the final proposal evaluation result may be performed by the relay device 500 or the transmission unit 300 .

In the case of a blockchain network built on an internal OA network, even if a blockchain with high anonymity/pseudonymity and security is applied, if the organization (institution) operating the internal OA network is not famous, it will not be trusted by the outside world. can When applied to a closed network of a non-famous organization (institution), the blockchain network 200 may adopt a configuration of anchoring to an external blockchain in order to obtain public confidence.

Depending on the implementation, the manager web page may provide a function of granting an appropriate person permission to access the evaluation result and encrypting and storing it in order to avoid exposing the identity of the evaluation member.

Depending on implementation, the transmission unit 300 may be redundant to increase system availability.

FIG. 3 is a detailed block diagram illustrating an embodiment of a detailed configuration of the transmission unit 300 of FIG. 1 .

The illustrated transmission unit 300 includes a blockchain port 320 for transmitting and receiving data with the blockchain network 200 through the closed network; DB port 340 for transmitting and receiving data with the storage unit 400 through the closed network or dedicated line; a relay device port 350 that transmits/receives data with the relay device 500 through a dedicated line or the external network; and a transmission processing unit 360 that transmits data between the blockchain port 320, the DB port 340, the relay device port 350, and the manager web page 800. Here, the manager web page 800 is provided in the form of an internal SW module (loaded application).

FIG. 4 is a detailed block diagram illustrating an embodiment of a detailed configuration of the relay device 500 of FIG. 1 .

The illustrated relay device 500 includes a document storage unit 520 for storing documents necessary for evaluating the proposal uploaded by the secretary; an evaluation result buffer 540 for temporarily storing individual evaluation results of the judges; an internal communication port 530 for transmitting and receiving data with the transmission unit 300; and an external network communication port 560 for transmitting/receiving data with terminals (input devices) used by the judges through the external network.

In the case of an implementation in which the final proposal evaluation result is generated by the relay device 500, a result generation unit 550 for generating a proposal evaluation result may be further included.

Individual evaluation results and/or proposal evaluation results may require the signatures of the evaluation participants (secretary, judge, auditor, etc.). can do. The signature information may be a pattern signed by the evaluation participant using a touch pen or the like, or a file obtained by scanning a signature on a piece of paper, and may be stored in the form of a file containing a signature.

5 is a use case diagram of a proposal evaluation system using a blockchain in a closed network environment according to an embodiment.

6 is a flowchart illustrating an embodiment of a proposal evaluation method according to the spirit of the present invention.

A proposal evaluation method that can be performed using the blockchain-based proposal evaluation progress system in a closed network environment according to the present invention including the above configuration will be exemplarily described with reference to FIGS. 3 to 6. .

The illustrated proposal evaluation method is a proposal evaluation performed by a relay device 500 connected to an external network and a transmission unit 300 connected to a closed network in which a blockchain network 200 is formed and transmitting and receiving data with the relay device. As a method, uploading a document required for proposal evaluation to the relay device (S1100); Supporting individual proposal evaluation performed by each of the plurality of judges while reading documents necessary for the proposal evaluation through the external network (S1200); preparing a proposal evaluation result by combining individual proposal evaluations of the judges (S1300); and recording the proposal evaluation result in the blockchain network (S1500 and S1700).

Thereafter, the secretary may further include uploading the proposal evaluation result to the proposal evaluation system in order to review or report the proposal evaluation result (S1900).

The step of uploading the necessary document to the relay device (S1100) includes receiving a document necessary for evaluating the proposal provided by a manager through a manager web page formed in a SW manner in the relay device (S1101); and transmitting the received document to the relay device (S1103).

The step of supporting the evaluation of individual proposals (S1200) includes providing documents allowed according to whether each judge is an internal member or an external member (S1205, S1207, S1209); Viewing the permitted document with the input device of the judge (S1211) and receiving the evaluation score of each judge (S1213); performing exception processing when the input evaluation score is out of the standard range (S1215, S1217); and storing the signature of the judge (S1219).

The step of preparing the proposal evaluation results (S1300) includes a step of receiving confirmation from the head of the jury for the collected individual proposal evaluations (S1321); And after performing the step of receiving confirmation from the audit for the collected individual proposal evaluations (S1323), a final proposal evaluation result may be generated.

The steps of recording in the block chain network shown (S1500, S1700) include: transmitting the final proposal evaluation result prepared in the relay device to the closed network (S1500); and recording the proposal evaluation result in the blockchain network (S1700).

In the step of recording in the blockchain network (S1500, S1700), the identification information on the proposal to be evaluated, the results of the proposal evaluation, and the information on the evaluation participants are recorded in the blockchain network, and the proposal file to be evaluated and the participants A file containing their signatures may be stored in a storage unit accessible to the transmission unit. Here, the file containing the signature is an offline signature copy file, and may include a signature pattern obtained using a touch pad or the like, or a file in which a handwritten signature on paper is scanned or photographed.

Next, we will look at the individual steps shown in the flow chart of FIG. 6 .

First, the secretary who will evaluate the proposal prepares and registers necessary documents on the manager web page installed in the transmission unit 300 (S1101). When uploading, add appropriate settings for proposal evaluation. The registered document is transmitted to the input unit 600 through the relay device 500 (S1103). Check if the document was downloaded properly.

Proposal evaluation starts, and when each evaluator first inputs information into the internal/external evaluator input unit 600 (S1205), a document suitable for the evaluator is provided (S1207, S1209).

For example, if you are an external evaluator, you must write a pledge of integrity (for external use) and a statement of payment of the review fee. The input unit 600 provides a document based on the information previously set in the manager web page.

When a company participating in the proposal evaluation starts to announce, the input unit may review documents necessary for evaluation, such as proposal evaluation announcement materials, service design documents, and the like through the input unit 600 (S1211).

The evaluation results are input through the on-screen keyboard on the scoring table, and scores can be input through handwriting recognition in terminals capable of using a pen. If the score is out of the valid value, a warning message is displayed. The input unit calculates the resulting value through a conditional expression (S1213). If there is a score corresponding to the exception condition as a score below the standard (S1215), additional necessary documents are provided to induce the evaluator to write (S1217).

A specific document requires a judge's signature, and a signature or digital stamping function is provided to ensure data consistency and integrity (S1219).

Among the above documents, documents requiring the signature of the chairperson of the examination are transmitted to the terminal device of the input unit 600 of the chairperson of examination through the repeater 500, and the signature of the chairperson of examination is stored (S1321).

Among the above documents, documents requiring audit confirmation are transmitted to the terminal device of the audit input unit 600 through the repeater 500, and the auditor's signature is stored. (S1323)

When the proposal evaluation is completed, essential documents are extracted and transmitted to the transmission unit 300 through the relay 500 (S1500), so that the final proposal evaluation result is stored in the blockchain network within the closed network.

The transmission unit 300 stores the evaluation result in the blockchain network and storage unit in a smart contract method. (S1700)

Thereafter, the administrator searches for evaluation results through the administrator's web page, downloads documents, and proceeds with the next administrative procedure. (S1900)

The above description is merely an example of the technical idea of the present invention, and various modifications and variations can be made to those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments. The protection scope of the present invention should be construed according to the following claims, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

100: blockchain node
200: Blockchain network
300: transmission unit
400: storage unit
500: relay device
600: input unit

Claims (14)

A block chain network formed on a plurality of servers in a closed network and storing proposal evaluation results generated according to the progress of proposal evaluation work using a block chain;
a storage unit that stores data supporting the proposal evaluation result outside the blockchain network;
a transmission unit relaying communication between the blockchain network and an external network, determining data, and classifying data to be stored into the blockchain network or the storage unit;
It is connected to the input devices used by each of the plurality of judges through the external network, collects the individual proposal evaluation results of the plurality of judges, and transmits the proposal evaluation results to the transmission unit to be stored in the blockchain network. relay device; and
An administrator webpage that supports the evaluation manager to manage the documents required for evaluation of proposals by each judge and to proceed with the proposal evaluation process.
Proposal evaluation system comprising a.
According to claim 1,
The relay device,
A proposal evaluation system for generating a proposal evaluation result by integrating and arranging the collected individual proposal evaluation results and receiving confirmation from at least one of the auditor and the judge chairperson.
According to claim 1,
The relay device,
Transmitting the individual proposal evaluation results and the confirmation result of at least one of the auditor and the judge chairperson to the transmission unit in a batch manner;
the transmission unit,
A proposal evaluation system for generating a proposal evaluation result by integrating and arranging the individual proposal evaluation results.
According to claim 1,
The manager web page,
Stored data can be viewed and managed from the blockchain network or storage unit,
Upload documents necessary for proposal evaluation to the proposal evaluation system;
A proposal evaluation system that provides a function to download documents related to evaluation results from the closed network.
According to claim 1,
the transmission unit,
a blockchain port for transmitting and receiving data to and from the blockchain network through the closed network;
a DB port for transmitting and receiving data to and from the storage unit through the closed network or dedicated line;
a relay device port for transmitting/receiving data with the relay device through a dedicated line or the external network; and
A transmission processing unit that transmits data between the blockchain port, the DB port, the relay device port, and the manager web page.
including,
A proposal evaluation system having the manager web page in the form of a SW module.
According to claim 1,
The relay device,
a document storage unit for storing documents necessary for evaluating the proposal;
an evaluation result buffer temporarily storing individual evaluation results of the judges;
an internal communication port for transmitting and receiving data with the transmission unit; and
An external network communication port that transmits and receives data with input devices used by the judges through the external network.
Proposal evaluation system comprising a.
According to claim 6,
The relay device,
Result generation unit that generates proposal evaluation results
Proposal evaluation system further comprising a.
According to claim 1,
Identification information about the proposal to be evaluated, the proposal evaluation result, and information about the evaluation participants are stored in the blockchain network,
The proposal evaluation system of claim 1 , wherein a proposal file to be evaluated and a file containing the signatures of the participants are stored in the storage unit.
According to claim 1,
The relay device,
It has a form of network-connected storage,
The terminals of the evaluation participants perform a document sharing function in which documents can be shared by uploading and accessing documents to the relay device,
A proposal evaluation system that provides a service that can collect common documents written by evaluation participants into one document through the document sharing function.
A proposal evaluation method performed by a relay device connected to an external network and a transmission unit that is connected to a closed network in which a blockchain network is formed and transmits and receives data with the relay device,
Uploading documents required for proposal evaluation to the relay device;
Supporting individual proposal evaluation performed by each of the plurality of judges while reading documents necessary for the proposal evaluation through the external network;
preparing a proposal evaluation result by combining individual proposal evaluations of the judges; and
Recording the proposal evaluation result in the blockchain network
Proposal evaluation method comprising a.
According to claim 10,
The step of uploading the necessary document to the relay device,
Receiving a document necessary for evaluation of the proposal provided by a manager through a manager web page formed in a SW manner in the relay device; and
Transmitting the received document to the relay device
Proposal evaluation method comprising a.
According to claim 10,
The step of supporting the evaluation of the individual proposal,
Providing documents that are allowed according to whether each judge is an internal member or an external member;
reading the permitted document with the input device of the judge and receiving an evaluation score of each judge;
performing exception processing when the input evaluation score is out of the standard range; and
The step of saving the judge's signature
Proposal evaluation method comprising a.
According to claim 10,
The step of writing the proposal evaluation results,
Receiving confirmation from the head of the jury for the evaluations of the collected individual proposals; and
Step of receiving confirmation from an audit for the collected individual proposal evaluations
Proposal evaluation method comprising a.
According to claim 10,
In the step of recording in the blockchain network,
Identification information about the proposal to be evaluated, the proposal evaluation result, and information about the evaluation participants are recorded in the blockchain network,
A proposal evaluation method of storing a proposal file to be evaluated and a file containing the signatures of the participants in a storage unit accessible to the transmission unit.

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