KR20200097973A - System and method for sharing electronic document based on block chain - Google Patents

Abstract

The present invention relates to sharing an electronic document based on a blockchain, and more specifically, to a system and a method for sharing the electronic document based on the blockchain, which can simplify a process of submitting evidential documents of financial institution customers by connecting financial institutions and evidential institutions on a blockchain network. To this end, the system for sharing the electronic document based on the blockchain according to the present invention includes: a financial institution platform that requests the evidential documents for an applying customer by providing basic information of the applying customer when receiving a financial service application from a customer computing device; and an evidential institution which generates the relevant evidential documents as an electronic document to make the electronic document a block, and then stores blockchain data in a blockchain distributed ledger and transmits the electronic document to the financial institution platform.

Description

Blockchain-based electronic document sharing system and method {System and method for sharing electronic document based on block chain}

The present invention relates to a blockchain-based electronic document sharing, and in particular, a blockchain-based electronic document sharing system capable of simplifying the process of submitting evidence documents by financial institution customers by connecting financial institutions and evidence institutions on a blockchain network. And a method.

When a customer applies for financial-related business to a financial institution such as a bank, various supporting documents must be submitted.

Evidence documents (certificate of employment, qualifications, performance documents, tax-related documents, etc.) are issued by the relevant supporting agency, so it is common for customers to apply directly to the supporting agency.

When a customer receives a document from an evidence institution and attaches it when applying for a financial service, the financial institution employee approves the application for financial service after checking the authenticity of the document.

However, it is cumbersome for employees of financial institutions to check the authenticity of documents during work (employment, issuer, document number, etc.). There is a problem that it is not possible to grasp the authenticity of the document.

Korean Patent Publication No. 2015-0008277

The present invention has been invented to solve the above problems, and an object of the present invention is to provide a blockchain-based electronic document sharing system and method that can simplify the process of submitting evidence by customers and the process of verifying the authenticity of documents by financial institutions. To provide.

To this end, the blockchain-based electronic document sharing system according to the present invention provides a financial institution platform for requesting documentary evidence for the applying customer by providing basic information of the applying customer upon receiving a financial service application from the customer's computing device;

Upon receipt of a request for supporting documents from the financial institution platform, the electronic document is generated as an electronic document, and then the electronic document is blocked, the blockchain data is stored in the blockchain distributed ledger, and the electronic document is transmitted to the financial institution platform. It includes a platform for evidence agencies.

In addition, the method for sharing electronic documents based on a block chain according to the present invention includes the steps of, by a financial institution platform, receiving a financial service request from a customer's computing device,

The step of requesting documentary evidence for the applying customer by the financial institution platform providing basic information of the applying customer to the evidence institution platform;

The step of generating, by the evidential institution platform, the evidential document for the applying customer as an electronic document, generating a hash value of the electronic document and recording it in a distributed ledger on a blockchain network;

And transmitting, by the evidential institution platform, an electronic document of evidential documents for the applying customer to the financial institution platform.

In addition, the blockchain-based financial institution platform according to the present invention includes a communication unit that performs data communication with a customer's computing device and an evidence institution platform,

When a financial service application is received from the customer's computing device, a document requesting unit for requesting documentary evidence for the applying customer by providing basic information of the applying customer to the supporting institution platform;

A database storing electronic documents of the supporting documents provided from the supporting institution platform and having a distributed ledger connected to a blockchain network;

And a verification document inquiry unit for generating a hash value of the electronic document using a hash algorithm from the electronic document of the supporting document and comparing the hash value of the electronic document stored in the distributed ledger to verify the authenticity of the electronic document.

In addition, the method for sharing electronic documents based on a block chain according to the present invention is a method performed on a financial institution platform for sharing electronic documents based on a block chain,

When a financial service application is received from the customer's computing device, providing basic information of the applying customer to the supporting institution platform to request documentary evidence for the applying customer;

Storing an electronic document of the documentary evidence provided from the platform of the evidence institution in a database,

And sharing the hash value of the electronic document recorded in the distributed ledger on the blockchain network by the evidence agency platform.

As described above, the blockchain-based electronic document sharing method according to the present invention builds a financial institution platform and an evidence institution platform on the blockchain network, so that financial institution customers do not need to directly submit the document, and financial institution employees do not need to provide evidence. It has the effect of being able to check the authenticity of the document simply and conveniently.

In addition, if various evidential institutions (company, public institution, certification association, etc.) and subjects who need evidential documents participate in the blockchain-based electronic document sharing system according to the present invention, customers have to obtain various evidential documents. Subjects who can get out of the network and need proof documents can secure proof documents with authenticity through the blockchain network, significantly reducing the trouble of checking the authenticity of proof documents, thereby improving work efficiency. have.

1 is a block diagram of a block chain-based electronic document sharing system according to the present invention.
2 is a flow chart of signal processing between subjects in the electronic document sharing system based on a block chain according to the present invention.
3 is an internal configuration diagram of a financial institution platform according to the present invention.
Figure 4 is a flow chart showing a block chain-based electronic document sharing processing process according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement the embodiments of the present invention.

However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein.

In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part "includes" a certain component, it means that other components may be further included rather than excluding other components unless otherwise stated.

In addition, the terms “…… unit” and “…… module” described in the specification mean units that process at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software.

Hereinafter, a blockchain-based electronic document sharing system and method according to an embodiment of the present invention will be described in detail with reference to the drawings.

1 shows the configuration of a blockchain-based electronic document sharing system according to the present invention.

Referring to FIG. 1, the blockchain-based electronic document sharing system according to the present invention includes a financial institution platform 100, an evidence institution platform 200, and a plurality of computing devices 300.

The financial institution platform 100, the evidence institution platform 200, and a plurality of computing devices 300 are connected through a blockchain network, and a plurality of computing devices 300 are subscribed to the financial institution platform 100 have.

The financial institution platform 100 is a web-based or app-based platform that can be accessed through a network by a plurality of computing devices 300. That is, the financial institution platform 100 is accessed by a web browser or a client application installed on the computing devices 300.

The financial institution platform 100 may be installed on a server owned by an existing bank or financial company, or may be implemented on a separately constructed server.

The financial institution platform 100 is an example of a subject that needs proof documents, and is assumed to be a financial institution such as a bank, and various subjects who require proof documents for business in addition to financial institutions may form the platform.

The evidence institution platform 200 may also be a web-based or app-based platform that can be accessed through a network by a plurality of computing devices 300. That is, the evidence institution platform 200 can also be accessed by a web browser or a client application installed on the computing devices 300.

However, the proofing institution platform 200 according to the present invention issues proof documents at the request of the financial institution platform 100 rather than issuing proof documents at the request of the computing devices 300.

The evidence institution platform 200 may be installed on a server owned by an institution that issues the evidence document or implemented on a separately constructed server. Evidence institutions include companies, public institutions, and certification associations.

In FIG. 1, although it is shown that one evidence institution platform 200 exists on the blockchain network, various evidence institutions may participate in the blockchain network, and accordingly, a plurality of evidence institution platforms may exist.

The plurality of computing devices 300 are devices operated by a customer. The computing device may be a smart phone, a tablet PC, a laptop computer, a personal computer, etc., and any type of device may be used as long as it is a device that can access the platforms 100 and 200 with an app or web. .

In this way, the financial institution platform 100, the evidence institution platform 200, and the plurality of computing devices 300 are connected through the blockchain network, so that the plurality of computing devices 300 are connected to the financial institution platform 100. After accessing and applying for a financial service, the financial institution platform 100 requests the evidence institution platform 200 for supporting documents necessary for processing the financial business.

The supporting document requested by the financial institution platform 100 is generated as an electronic document in the supporting institution platform 200, and the electronic document is converted into a block and stored in a distributed ledger of a blockchain network and shared.

2 is a block-chain-based electronic document sharing system according to the present invention showing a signal processing flow between each subject.

Referring to FIG. 2, first, a customer of a financial institution accesses the financial institution platform 100 using his or her computing device to request a financial service (S10).

Financial business applications can be made online using a computing device, but customers can come to the bank directly to apply for financial services offline.

When a financial service application is received online or offline, the financial institution employee requests the documentary evidence necessary for processing the financial business through a computer. That is, the financial institution platform 100 requests the supporting document from the supporting document platform 200 by filling in the name of the applicant customer's basic information and necessary supporting document in a certain format (S12).

Upon receiving the request for supporting documents from the financial institution platform 100, the supporting institution platform 200 generates the related document as an electronic document (S14). The evidence institution platform 200 may generate a document as a PDF file.

When the evidential institution platform 200 generates the evidential document for the applicant as an electronic document, a time stamp indicating the time when the e-document was created in the electronic document and agreement and authentication by other evidential institution platforms connected on the blockchain network Information can be inserted.

After generating the electronic document of the supporting document in this way, the supporting institution platform 200 creates block chain data by blocking the electronic document (S16). The blockchain data of the electronic document created in this way is stored in the distributed ledger of the blockchain network.

Next, the evidence institution platform 200 issues the evidence document by transmitting the electronic document of the generated evidence document to the financial institution platform 100 (S18).

The financial institution platform 100 stores the electronic document received from the evidence institution platform 200 in its own database (S20).

Next, the financial institution platform 100 generates block chain data by blocking electronic documents stored in a database for electronic document inquiry, and compares this with the block chain data of the electronic documents shared in the distributed ledger on the blockchain network. The authenticity is checked (S22).

If the blockchain data coincide with each other, the authenticity of the document is established that the electronic document of the supporting document stored in the database has not been forged or altered.

Through this process, employees of financial institutions can inquire documents that have been verified to be authentic and can provide these documents to customers.

3 shows the internal configuration of a financial institution platform according to the present invention.

Referring to FIG. 3, the financial institution platform 100 includes a communication unit 101, a document requesting unit 103, a document inquiry unit 105, a database 107, and the like.

The communication unit 101 is a part that communicates with the evidence institution platform 200 and the computing device 300 connected on a blockchain network. The communication unit 101 transmits and receives various data or information while communicating with the plurality of evidence institution platforms 200 or the computing device 300.

The communication unit 101 receives a financial service request signal from the computing device 300 and transmits a document request signal from the evidence institution platform 200.

When an application for financial services is received from the computing device 300, the documentary document requesting unit 103 provides basic information of the application customer to the platform 200 for evidence and requests documentary documents for the application customer.

The documentary evidence request unit 103 determines the documentary evidence for the applying customer from the content of the financial service application and requests the issuance of the documentary document to the platform of the evidence institution responsible for issuing the determined documentary document.

The supporting document request unit 103 stores the electronic document of the supporting document issued from the supporting institution platform 200 in the database 107.

The supporting document inquiry unit 105 generates the hash value of the electronic document using a hash algorithm from the electronic document stored in the database 107, and compares the hash value of the electronic document stored in the distributed ledger of the blockchain network to verify the authenticity of the electronic document. Verify.

The supporting document inquiry unit 105 may provide the electronic document of the supporting document whose authenticity has been verified to the customer's computing device 300.

The database 107 stores electronic documents of evidence and has a distributed ledger connected to a blockchain network, that is, a blockchain ledger.

In the embodiment of the present invention, the database 107 has a blockchain ledger, but the blockchain ledger may be provided in a separate storage system.

The database for storing the electronic document of the supporting document according to the present invention generally refers to a database provided in an electronic document management system (EDMS).

The electronic document management system is a system for consistently electronically integrated management of all processes from creation to disposal of various types of documents and data.

Through this electronic document management system (EDMS), it is possible to create a pleasant office environment by maximizing work efficiency through rapid document search, search, and utilization, and by reducing the storage space for paper documents. In addition, it supports registration, storage, management, transmission and reception, and inquiry of various electronic documents due to the automation of data collection and book management, and it is possible to immediately receive necessary documents by improving the work environment and searching conditions.

That is, by providing a distributed ledger connected to a blockchain network in a separate storage space different from the database built in the electronic document management system, it is possible to store authentication information of an electronic document, that is, a hash value, in this.

4 shows a block chain-based electronic document processing process according to the present invention.

Referring to FIG. 4, first, the financial institution platform 100 receives a financial service request from a customer's computing device (S100).

When a financial service application is received from a customer, the financial institution employee enters the basic information of the applying customer into the documentary request form in a certain format through a computer to create a documentary request form, or automatically creates a documentary request form on the financial institution platform. (S102).

The financial institution platform requests the documentary evidence by transmitting the request for documentary evidence to the platform of the corresponding documentary evidence (S104).

Thereafter, when the electronic document of the supporting document is received from the supporting institution platform, the financial institution platform stores the electronic document in the database (S106).

Next, the financial institution platform generates a hash value of the electronic document using a hash algorithm from the electronic document stored in the database (S108).

When the hash value of the electronic document is generated, the financial institution platform compares the hash value of the electronic document recorded in the distributed ledger on the blockchain network with the generated hash value by the evidence institution platform (S110).

If the hash values coincide, the authenticity of the supporting document is confirmed (S112), and if the hash values do not match, it means that there is forgery or alteration of the supporting document (S116).

The financial institution platform can check the authenticity of the electronic document of the supporting document through hash value verification and inquire the supporting document (S114).

Thereafter, the financial institution platform may provide the electronic document of the authenticity verification document to the customer's computing device.

The embodiments of the present invention described above are not implemented only through an apparatus and a method, but may be implemented through a program that realizes a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements by those skilled in the art using the basic concept of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

100: financial institution platform 200: evidence institution platform
101: communication unit 103: supporting document request unit
105: supporting document inquiry unit 107: database

Claims (16)

When receiving a financial service application from a customer's computing device, a financial institution platform that provides basic information of the applying customer and requests supporting documents for the applying customer;
Upon receipt of a request for supporting documents from the financial institution platform, the electronic document is generated as an electronic document, and then the electronic document is blocked, the blockchain data is stored in the blockchain distributed ledger, and the electronic document is transmitted to the financial institution platform. Blockchain-based electronic document sharing system including a platform for supporting evidence. The method of claim 1,
The blockchain-based electronic document sharing system, characterized in that the financial institution platform stores the electronic document received from the evidence institution platform in a database and shares the blockchain data of the electronic document in its own blockchain distributed ledger. The method of claim 2,
Blockchain-based electronic document sharing, characterized in that the financial institution platform generates blockchain data for electronic documents stored in a database and compares it with blockchain data stored in its own blockchain distributed ledger to check the authenticity of supporting documents. system. The method of claim 3,
The financial institution platform is a blockchain-based electronic document sharing system, characterized in that providing the electronic document of the authenticity verified document to the customer's computing device. The method of claim 1,
The evidential institution platform is implemented in a network server operated by a public institution, a company, and a certification association connected to the financial institution platform through a blockchain network. Receiving, by the financial institution platform, a financial service application from the customer's computing device,
The step of requesting documentary evidence for the applying customer by the financial institution platform providing basic information of the applying customer to the evidence institution platform;
The step of generating, by the evidential institution platform, the evidential document for the applying customer as an electronic document, generating a hash value of the electronic document and recording it in a distributed ledger on a blockchain network; and
The electronic document sharing method based on a blockchain comprising the step of transmitting, by the evidence institution platform, an electronic document of the documentary evidence for the applying customer to the financial institution platform. The method of claim 6,
Storing, by the financial institution platform, the electronic document received from the evidence institution platform in a database,
A method for sharing electronic documents based on a blockchain, further comprising the step of sharing a hash value of the electronic document recorded in the distributed ledger on the blockchain network. The method of claim 7,
Generating, by the financial institution platform, a hash value using a hash algorithm from an electronic document stored in a database,
And comparing the hash value recorded in the distributed ledger on the blockchain network with the generated hash value to verify the authenticity of the supporting document. The method of claim 8,
And providing, by the financial institution platform, the electronic document of the authenticity verification document to the customer's computing device. The method of claim 6,
When the evidential institution platform generates the evidential document for the applicant as an electronic document, a time stamp indicating the time when the e-document was created in the e-document and agreement and authentication information by other evidential institution platforms connected on the blockchain network Blockchain-based electronic document sharing method, characterized in that insertion. A communication unit that performs data communication with the customer's computing device and evidence institution platform;
When a financial service application is received from the customer's computing device, a document requesting unit for requesting documentary evidence for the applying customer by providing basic information of the applying customer to the supporting institution platform;
A database storing electronic documents of the supporting documents provided from the supporting institution platform and having a distributed ledger connected to a blockchain network;
Blockchain-based finance including a verification document inquiry unit that generates a hash value of the electronic document using a hash algorithm from the electronic document of the supporting document and verifies the authenticity of the electronic document by comparing it with the hash value of the electronic document stored in the distributed ledger. Institutional platform. The method of claim 11,
The supporting document inquiry unit is a blockchain-based financial institution platform, characterized in that providing the electronic document of the authenticity verified document to the customer's computing device. The method of claim 11,
A blockchain-based financial institution platform, characterized in that the supporting document request unit determines the documentary evidence for the applicant from the content of the financial service application and requests the issuance of the document to an evidence institution platform that is in charge of issuing the determined documentary document. In the method of performing on a financial institution platform for blockchain-based electronic document sharing,
When a financial service application is received from the customer's computing device, providing basic information of the applying customer to the supporting institution platform to request documentary evidence for the applying customer;
Storing an electronic document of the documentary evidence provided from the platform of the evidence institution in a database,
And sharing the hash value of the electronic document recorded in the distributed ledger on the blockchain network by the proofing institution platform. The method of claim 14,
Generating a hash value from an electronic document stored in the database using a hash algorithm,
And comparing the hash value recorded in the distributed ledger on the blockchain network with the generated hash value to verify the authenticity of the supporting document. The method of claim 14,
And providing the electronic document of the authenticity verified document to the customer's computing device.

Images