KR20190096211A - Platform and Method for managing An Electronic Gift Certificate based on Block Chain - Google Patents

Abstract

The present invention relates to a blockchain-based electronic voucher management platform and method, the blockchain-based electronic voucher management platform according to the present invention, to verify the validity of the electronic voucher requested to use and to use the electronic voucher according to the verification result. A usage management unit for approving and generating a usage transaction; And a settlement processing unit that performs the settlement on the electronic voucher and generates a settlement transaction by examining the use completion state of the requested electronic voucher and whether the settlement condition is satisfied.

Description

Platform and Method for managing An Electronic Gift Certificate based on Block Chain}

The present invention relates to a platform and method for managing the issuance, transaction, and use of electronic gift certificates. More specifically, the present invention relates to a platform and method that enables safe and reliable direct transactions between individuals without intermediaries for various intangible assets that can be traded on the basis of blockchain. It relates to a blockchain-based electronic gift certificate management platform and method.

Currently, the electronic voucher system is issued in the form of an image file marked with a barcode and transmitted to MMS, SNS, e-mail, etc., and is operated to recognize the barcode of the electronic voucher with a barcode reader in the point of use system.

On the other hand, the electronic voucher system is easy to use because it is configured in various forms, such as mobile, PC, printout, but the owner of ownership is not displayed, theft, fraud, etc. are frequently generated because the owner does not verify the owner. In addition, despite the increasing number of direct transactions between individuals through used trading sites, there is a lack of a stable device for direct transactions of electronic vouchers, and the issuer is not responsible for distribution or use after issuing electronic vouchers.

Recently, the electronic voucher market is growing rapidly (1.1 trillion in 2016, 117% year-on-year), and the number of direct deals between customers is expected to increase as various electronic vouchers are issued and usage increases. There is a growing need for solutions to problems.

In addition, the demand for customers to issue and sell electronic vouchers directly using their own assets is increasing, and if a system is established that can be issued and traded safely without an intermediary, the growth of the electronic voucher market will be further accelerated. It is believed to be.

Republic of Korea Patent Publication No. 10-2017-0100247, "Method of providing a mobile gift certificate service, a terminal device and a server therefor"

The present invention has been proposed to solve the above problems, a blockchain-based electronic voucher management platform that allows individuals to freely issue their assets as electronic vouchers based on the blockchain, and securely trade and use electronic vouchers without an intermediary. And to provide a method.

According to an aspect, a platform for managing an electronic voucher based on a blockchain includes: a use management unit for validating an electronic voucher requested to be used and approving use of the electronic voucher according to a verification result and generating a use transaction; And a settlement processing unit that performs the settlement on the electronic voucher and generates a settlement transaction by examining the use completion state of the requested electronic voucher and whether the settlement condition is satisfied.

The use management unit verifies the validity by checking the status information of the electronic gift certificate in the blockchain with the transaction ID of the electronic gift certificate if the requested electronic gift certificate is a newly issued electronic gift certificate, and the requested electronic gift certificate is an existing electronic gift certificate. In this case, the validity can be verified by requesting the status information of the electronic voucher requested to be used as the issuer of the electronic voucher.

The use management unit may generate a use transaction with a transaction ID including at least one information of an e-gift certificate use completion state, owner, use place, and use amount of money, and store the use history of the e-gift certificate in the blockchain.

The use management unit may verify the availability by requesting approval of the special benefit to the special benefit provider when the special gift is included in the electronic gift certificate requested for use.

The settlement processing unit checks the completion status of the electronic voucher in the blockchain with the transaction ID of the electronic voucher when the electronic voucher requested for settlement is a newly issued electronic voucher. By requesting the status information of the electronic voucher requested to be settled to the issuer, it is possible to check the completion status of the electronic voucher.

The settlement processing unit performs a settlement by sending a settlement amount to the place of use when the completion status of the electronic voucher requested for settlement is satisfied and the settlement conditions are satisfied, and performs at least one information of the settlement contents of the electronic voucher, the settlement place of payment, and the settlement amount. A settlement transaction may be generated based on a transaction ID including the transaction ID, and the settlement details of the electronic gift certificate may be distributed and stored in the blockchain.

The settlement processing unit may perform a settlement by sending a settlement amount to a special benefit provider when the electronic gift certificate requested for settlement includes a special benefit.

The platform for managing an electronic voucher based on the blockchain may further include a gift voucher issuing unit for issuing an electronic voucher corresponding to the asset and validating the asset presented by the issuer. .

The gift voucher issuing unit may generate and issue an issuance transaction of the electronic voucher in the blockchain by generating an issuing transaction with a transaction ID including at least one information of electronic voucher status, owner, use, issue amount, and special benefits.

The gift certificate issuing unit, if the asset presented by the issuing requester includes special benefits, inquires about the availability of special benefits to the use of special benefits and inquires about the validity of the special benefits to the special benefits provider. Once the benefits have been validated, electronic vouchers for special benefit vouchers can be issued.

The gift certificate issuing unit verifies the availability of the special benefit by inquiring the availability of the special benefit to the place of special benefit if the asset presented by the issuing requester includes the special benefit, and if the availability of the special benefit is verified, The prepayment can be made at a special benefit price to issue an electronic gift certificate to which the special benefit is applied.

The platform for managing an electronic gift certificate based on the blockchain includes: a transaction brokerage unit that verifies the validity and transaction conditions of the requested electronic gift certificate and executes the transaction of the electronic gift certificate and generates a transaction transaction according to the verification result; It may include.

The transaction intermediary may generate a transaction transaction with a transaction ID including at least one information of an electronic voucher transaction status, owner, use place, and transaction amount to distribute and store the transaction details of the electronic voucher on the blockchain.

The transaction brokerage unit checks the validity by checking the status information of the electronic gift certificate on the blockchain with the transaction ID of the electronic gift certificate if the electronic gift certificate requested for transaction is a newly issued electronic gift certificate, and the transaction requested electronic gift certificate is an existing electronic gift certificate. The validity can be verified by requesting the status information of the electronic voucher to the issuer of the electronic voucher.

The transaction brokerage unit may request the issuance of the electronic gift certificate and the issuance of the new electronic gift certificate to the issuer of the electronic gift certificate if the requested electronic gift certificate is an existing electronic gift certificate.

The transaction brokerage unit, if the electronic voucher requested transaction is the existing electronic voucher to move the electronic voucher requested from the seller's local disk to the terminal device of the purchase requester and then delete the transaction request electronic voucher from the seller's local disk Can be mediated.

When the transaction requested electronic gift certificate is an existing electronic gift certificate, the transaction broker may encrypt the transaction requested electronic gift certificate stored in the local disk of the seller and transmit the encryption key to the terminal device of the purchase requester to mediate the transaction.

According to another aspect, a method for managing an electronic gift certificate based on a blockchain includes: a use step of validating an electronic gift certificate requested for use and approving the use of the electronic gift certificate according to a verification result and generating a use transaction; And a settlement step of performing the settlement of the electronic voucher and generating a settlement transaction by examining the use completion state of the requested electronic voucher and whether the settlement condition is satisfied.

The use step may include receiving a request for use of an electronic gift certificate; Validating the electronic voucher requested to be used; Determining whether the condition of use is satisfied; And generating a usage transaction with a transaction ID including at least one information of the electronic voucher usage completion status, owner, use place, and use amount of money, and storing the usage details of the electronic voucher on the blockchain. .

The step of validating the electronic voucher is, if the electronic voucher requested to be used is a newly issued electronic voucher, verify the validity by checking the status information of the electronic voucher in the blockchain with the transaction ID of the electronic voucher. If the gift certificate is an existing electronic gift certificate, the validity can be verified by requesting the status information of the electronic gift certificate that is requested to be used as the issuer of the electronic gift certificate.

The step of verifying the validity of the electronic gift certificate, if the special gift is included in the requested electronic gift certificate may request the approval of the special benefits to the special benefits provider to verify the availability.

The settlement step may include receiving a settlement request for an electronic gift certificate; Checking the use completion status of the electronic voucher for which settlement is requested; Determining whether the settlement condition is satisfied; Performing settlement; And generating a settlement transaction with a transaction ID including at least one information of settlement contents, settlement payment destination, and settlement amount of the electronic gift certificate, and storing the settlement details of the electronic gift certificate on the blockchain.

The step of checking the completion of use of the electronic gift certificate is, if the electronic gift certificate requested to be settled is a newly issued electronic gift certificate checks the use status of the electronic gift certificate in the blockchain with the transaction ID of the electronic gift certificate and the requested electronic gift certificate is settled. In the case of the existing electronic gift certificate, it is possible to check the completion status of the electronic gift certificate by requesting the status information of the electronic gift certificate that is requested to be settled as the issuer of the electronic gift certificate.

In the performing of the settlement, when the use completion status of the requested electronic voucher is confirmed and the settlement condition is satisfied, the settlement is sent to the place of use to perform the settlement, and the special benefit is provided when the requested electronic voucher includes the special benefit. The settlement can be performed by sending the settlement amount to the provider.

Before the use step, a certificate voucher issuing step of issuing the electronic voucher corresponding to the asset by verifying the validity of the asset presented by the issuing requester;

The gift voucher issuing step may include receiving an electronic voucher issuance request; Validating the asset presented by the issuer; Issuing an electronic gift certificate; And generating an issuing transaction with a transaction ID including at least one information of an electronic voucher status, owner, use, issuance amount, and special benefits, and storing the issuance details of the e-gift voucher in the blockchain. have.

In the step of validating the asset, if the asset presented by the issuing requester includes the special benefit, the special benefit may be used to inquire about the availability of the special benefit, and the special benefit provider may be referred to the validity of the special benefit. The step of verifying the availability of the benefit and the validity of the special benefit and issuing the electronic voucher may issue the electronic voucher for the special benefit right once the validity is verified.

The gift voucher issuing step may include receiving an electronic voucher issuance request; Verifying the validity of the asset presented by the issuing requester and inquiring the availability of the special benefit to the place of use of the special benefit included in the asset; Issuing an electronic gift certificate to which special benefits are applied by performing a prepayment at a special benefit price; And generating an issuing transaction with a transaction ID including at least one information of an electronic voucher status, owner, use, issuance amount, and special benefits, and storing the issuance details of the e-gift voucher in the blockchain. have.

After the gift certificate issuing step, a transaction intermediation step of verifying the validity and transaction conditions of the transaction-requested electronic gift certificate, and performing the transaction of the electronic gift certificate and generating a transaction transaction according to the verification result.

The transaction brokering step may include receiving an electronic gift certificate transaction request; Validating the electronic voucher requested for the transaction; Verifying whether a transaction condition is satisfied; Completing a transaction if the transaction condition is satisfied; And generating a transaction transaction with a transaction ID including at least one information of an electronic gift certificate transaction state, owner, use place, and transaction amount, and storing the transaction details of the electronic gift certificate in the blockchain.

The validating of the requested electronic voucher is a transaction request of the electronic voucher when the requested electronic voucher is a newly issued electronic voucher, verifying validity by checking the status information of the electronic voucher on the blockchain. If the electronic gift certificate is an existing electronic gift certificate, the validity can be verified by requesting the status information of the electronic gift certificate from the issuer of the electronic gift certificate.

In the step of completing the transaction, when the electronic gift certificate requested for transaction is an existing electronic gift certificate, the transaction may be completed by requesting disposal of the existing electronic gift certificate and issuance of a new electronic gift certificate.

In the step of completing the transaction, if the electronic voucher requested transaction is an existing electronic voucher, the electronic voucher requested transaction is moved from the seller's local disk to the terminal device of the purchase requester and then the electronic voucher requested for the transaction is You can delete the transaction to complete it.

In the step of completing the transaction, if the electronic voucher requested transaction is an existing electronic voucher may be encrypted by the transaction request electronic voucher stored on the local disk of the seller and transmit the encryption key to the terminal device of the purchase requester may complete the transaction. .

According to one embodiment, the issuance, transaction, use or settlement of electronic vouchers is realized as a smart contract based on blockchain, and when the conditions are satisfied, the electronic vouchers are enforced by enhancing the reliability of transactions between the parties and activating direct transactions when the conditions are satisfied. You can grow your market.

According to another embodiment, the transaction details may be transparently managed by distributing and storing all details related to the electronic voucher on the blockchain, such as issuance, transaction, use or settlement of the electronic voucher.

1 is a conceptual diagram schematically illustrating an electronic gift certificate management system in which a blockchain-based electronic gift certificate management platform operates.
FIG. 2 is a block diagram illustrating a configuration of each node constituting the blockchain network of FIG. 1.
3 is a block diagram showing the configuration of a smart contract stored in each node of FIG. 1 to realize an electronic gift certificate management platform.
4 is a flowchart illustrating a method of managing a blockchain-based electronic gift certificate according to an embodiment.
FIG. 5 is a flowchart illustrating an embodiment of the electronic voucher issuing step of FIG. 4 in which the electronic voucher management platform issues a credit card benefit as an electronic voucher in a legacy linked type.
FIG. 6 is a flowchart illustrating another embodiment of the electronic voucher issuing step of FIG. 4 in which the electronic voucher management platform issues a credit card benefit as an electronic voucher in a P2P type.
FIG. 7 is a flowchart illustrating an embodiment of the electronic voucher transaction step of FIG. 4 in which a newly issued electronic voucher is traded in the electronic voucher management platform.
FIG. 8 is a flowchart illustrating another embodiment of the electronic voucher transaction step of FIG. 4 in which a legacy electronic voucher is traded in an electronic voucher management platform in a legacy linked type.
FIG. 9 is a flow chart illustrating another embodiment of the electronic voucher transaction step of FIG. 4 in which an existing electronic voucher is traded in an electronic voucher management platform in a P2P type.
FIG. 10 is a flowchart illustrating an embodiment of an electronic gift certificate using step of FIG. 4.
FIG. 11 is a flowchart illustrating an embodiment of an electronic gift card settlement process of FIG. 4.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the following embodiments. This embodiment is provided to more completely explain the present invention to those skilled in the art. In addition, although specific terms are used in the drawings and the specification of the present invention, they are used only for the purpose of illustrating the present invention and are not used to limit the scope of the present invention as defined in the meaning or the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible from this. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

In the present specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and / or “comprising” refers to the presence of one or more other components, steps, operations and / or elements in the components, steps, operations and / or elements mentioned. Or does not exclude the addition.

Next, the blockchain-based electronic gift certificate management platform and method of the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual diagram schematically illustrating an electronic gift certificate management system in which a blockchain-based electronic gift certificate management platform operates. Referring to FIG. 1, the electronic gift certificate management system may include a blockchain system 10 and a legacy device 20.

The electronic voucher management platform according to an embodiment issues an electronic voucher as requested by a person (hereinafter, the issuer) who wants to issue an electronic voucher based on a smart contract executed in the blockchain, and trades electronic vouchers between individuals. Can be securely brokered, the approval and settlement of the use of electronic vouchers can be processed, and all transactions can be recorded and stored by the blockchain.

The blockchain system 10 may include a node 11 and a client 12. According to an embodiment, the node 11 and the client 12 may be implemented as a smart terminal, a PC, a server, or the like as a terminal constituting the blockchain network.

The node 11 may store and execute a smart contract to realize an electronic gift certificate management platform and automatically execute, issue, trade, use and settle the electronic gift certificate on a set condition. The blockchain system 10 may include at least one or more nodes 11, the nodes 11 managing common synchronized state information, such as one or more variable-value pairs, and an electronic voucher management platform being realized. In step 12, the transaction generated by the client 12 may be shared through a process of distribution and summation. In addition, the nodes 11 execute the common procedure predefined in the blockchain system 10 according to the contents of the shared transaction, or execute the smart contract corresponding to the transaction, and execute the common procedure or the smart gun contract. The changed common state information can be stored. In addition, the nodes 11 include a database storing shared transactions, smart contracts and common state information, and the database may be formed in a block chain structure.

The client 12 may propagate the transaction to all nodes 11 in the blockchain system 10 by creating and delivering the transaction to one or more nodes 11. In addition, the client 12 can confirm the execution result of the smart contract executed in the node 11 by the transaction.

The legacy device 20 is an existing electronic voucher-related service device, such as an electronic voucher sales server that sells various types of electronic vouchers, and may interwork with an electronic voucher management platform. According to an embodiment, user A may sell the electronic voucher purchased from the legacy device 20 to user B through the electronic voucher management platform, and user B may purchase the purchased electronic voucher at the destination C through the electronic voucher management platform. Can be used. Usage C may request and settle the electronic voucher management platform for the electronic voucher used.

FIG. 2 is a block diagram illustrating a configuration of each node constituting the blockchain network of FIG. 1. Referring to FIG. 2, the node 11 may include a communication unit 111, a control unit 113, an independent execution unit 115, and a storage unit 117.

The communication unit 111 may interconnect one or more nodes 11 constituting the blockchain system 10 and the client 20. According to an embodiment, the communication unit 111 may receive a block and a transaction transmitted from another node 11 and transmit the received block and transaction to the control unit 113. In this case, the transaction may be defined as an issuance transaction, a transaction transaction, a usage transaction, a settlement transaction, and the like according to a purpose, a function, and data contents thereof.

The control unit 113 analyzes the block and the transaction received through the communication unit 111 and executes a predefined common procedure according to the contents of the transaction, or executes the smart contract corresponding to the transaction in the independent execution unit 115. You can. The controller 113 may store the common state information changed according to the execution of the common procedure and the execution of the smart contract in the storage unit 117.

The independent execution unit 115 may execute the smart contract under the control of the control unit 113.

The storage unit 117 stores the blocks and transactions received through the communication unit 111, the smart contracts generated by the transactions, the execution of the common procedures of the control unit 113, and the execution results of the smart contracts of the independent execution unit 115. The changed common state information can be stored. According to an embodiment, the storage unit 117 may be implemented as a database formed in a blockchain structure.

3 is a block diagram showing the configuration of a smart contract stored in each node of FIG. 1 to realize an electronic gift certificate management platform. Referring to FIG. 3, the electronic gift certificate management platform may include a gift certificate issuer 100, a transaction broker 200, a use manager 300, and a settlement processor 400. The components of the electronic gift certificate management platform may be realized as a smart contract (SC), and may be stored in the storage unit 117 shown in FIG. 2 and executed in the independent execution unit 115 under the control of the controller 113. According to an embodiment, the blockchain-based smart contract is a program that implements an electronic gift certificate management platform, and automatically implements a conditional execution when a set condition is satisfied.

The electronic voucher management platform may be realized in a legacy interlocking type according to one embodiment, and may be realized in a peer to peer (P2P) type according to another embodiment. In the legacy linked type according to an embodiment, the electronic voucher management platform requests the legacy device 20 to validate the electronic voucher, or request the deletion, change, or issuance of the electronic voucher to manage the electronic voucher. 20) can be performed in conjunction with. In the P2P type according to another embodiment, the electronic voucher management platform may independently manage the electronic voucher, such as independently brokering the transaction of the electronic voucher between individuals and processing the use thereof without interworking with the legacy device 20. . However, even in the P2P type according to another embodiment, the electronic gift certificate management platform may request the legacy device 20 to confirm the validity of the electronic gift certificate, which is not a management action such as deleting, changing, or issuing the electronic gift certificate.

When the gift certificate issuing unit 100 receives the issuance request of the electronic gift certificate from the issuing requester, the gift certificate issuing unit 100 is realized as a smart contract that verifies the validity of the asset presented by the issuing requester and issues the electronic gift certificate corresponding to the asset. For example, when the issuing requester presents cash 100,000 won and requests for issuance of an electronic gift certificate, the gift certificate issuing unit 100 may issue an electronic gift certificate by verifying that the proposed asset is valid for 100,000 won.

In the legacy linked type according to an embodiment, when special assets are included in the assets presented by the issuing requester, the gift certificate issuing unit 100 verifies the availability of the special benefits and the validity of the special benefits. Can be issued. For example, special offers can be realized with discounts provided by the card company, and the issuer can purchase a restaurant ticket equivalent to 100,000 won if the buyer can purchase a restaurant ticket worth 100,000 won for 80,000 won through the card company discount. You can request the issuance of an electronic gift certificate on a discount voucher that can be purchased. At this time, the gift certificate issuing unit 100 may verify the availability of the special benefits by inquiring the restaurant designated as the place of use, and request verification of the validity of the special benefits presented by the issuing requester to the card company which is a special benefit provider. When the availability of the special benefits and the validity of the special benefits are verified, the gift certificate issuing unit 100 may issue an electronic gift certificate relating to the restaurant discount coupon.

In a P2P type according to another embodiment, when special assets are included in the assets presented by the issuing requester, the gift certificate issuing unit 100 may issue an electronic gift certificate to which special benefits are applied by verifying the availability of the special benefits. For example, a special offer may be realized as a discount provided by the card company, and the issuer may pay 80,000 won as a special offer card when the card company discounts can be used to purchase a restaurant ticket worth 100,000 won for 80,000 won. It is possible to request the issuance of an electronic gift certificate on a restaurant use ticket corresponding to 100,000 won. At this time, the gift certificate issuing unit 100 checks the availability of special benefits by contacting the restaurant designated as the place of use, and if verified, proceeds upfront with a special benefit price of 80,000 won to issue an electronic gift certificate worth 100,000 won. can do.

The voucher issuing unit 100 issues an e-gift voucher to the blockchain by generating an issuing transaction with a transaction ID including at least one of the current status, owner, use, amount, and special benefits of the issued voucher when issuing the e-gift voucher. The details can be distributed and stored.

When the transaction broker 200 receives a transaction request of the electronic gift certificate from the purchase requester, the transaction broker 200 is realized as a smart contract that verifies the validity of the transaction requested electronic gift certificate and automatically executes the transaction of the electronic gift certificate. For example, the electronic gift certificate requested for a transaction may include an electronic gift certificate issued by the legacy device 20 as well as an electronic gift certificate issued by the gift certificate issuer 100.

If the requested electronic gift certificate is an electronic gift certificate (hereinafter referred to as a newly issued electronic gift certificate) issued by the gift certificate issuing unit 100, the transaction brokerage unit 200 checks the status information of the electronic gift certificate on the blockchain by the transaction ID. You can validate it. Here, the state information of the electronic voucher may include information such as whether the electronic voucher is issued, the amount of money issued, whether or not it is used, the period of use. When the validity is verified, the transaction broker 200 may compare the amount of money sent by the purchase requester with the amount of money offered by the seller as the exchange value of the electronic gift certificate to determine whether the transaction condition is satisfied.

If the electronic voucher requested for transaction is an electronic voucher (existing electronic voucher) issued by the legacy device 20, the use management unit 300, the state of the electronic voucher requested for a transaction to the legacy device 20, the issuer of the existing electronic voucher You can request information and validate it. If the validity is verified, the transaction broker 200 may compare the amount of electronic money sent by the purchase requester with the amount of money presented by the seller as an exchange value of the electronic gift certificate to determine whether the transaction condition is satisfied.

When the transaction condition is satisfied in the legacy linked type according to an embodiment, the transaction intermediary 200 requests the legacy device 20 to dispose of the existing electronic voucher to solve the problem of the seller reusing after selling the electronic voucher. In addition, by requesting the legacy device 20 to issue a new electronic gift certificate having the same contents as the existing electronic gift certificate, the transaction may be brokered so that the purchase requester may use the new electronic gift certificate.

When the transaction condition is satisfied in the P2P type according to another embodiment, the transaction broker 200 may move the electronic gift certificate requested from the seller's local disk (ex, mobile terminal) to the terminal device of the purchase requester and then to the seller. It is possible to solve the problem of the seller reusing after selling the electronic voucher by deleting the electronic voucher requested transaction from the local disk. Alternatively, when a transaction condition is satisfied in the P2P type according to another embodiment, the transaction intermediary 200 encrypts the transaction requested electronic gift certificate stored in the seller's local disk and uses an encryption key to purchase the terminal device of the requestor. It can solve the problem of the seller reusing after selling the voucher.

The transaction broker 200 may generate a transaction transaction with a transaction ID including at least one information of an electronic voucher transaction status, a changed owner, a use place, and an amount of money, and distribute and store the transaction details of the electronic voucher on the blockchain. Here, the transaction status of the electronic gift certificate may include state information such as whether the electronic gift certificate is discarded and newly issued or whether the electronic gift certificate is encrypted.

When the use management unit 300 receives the use request of the electronic voucher from the owner, it is realized as a smart contract that confirms the validity of the electronic voucher requested for use and whether the use condition is satisfied and approves the use of the electronic voucher. For example, the electronic voucher requested to be used may include not only an electronic voucher issued by the voucher issuing unit 100 but also an electronic voucher issued by various companies, that is, the legacy device 20.

When the electronic voucher requested to be used is a newly issued electronic voucher, the use management unit 300 may verify validity by checking the state information of the electronic voucher on the blockchain with a transaction ID. In addition, when the electronic voucher requested to be used is an existing electronic voucher, the use management unit 300 may verify the validity by requesting the state information of the electronic voucher requested to be used by the legacy device 20 which is the issuer of the electronic voucher. When the electronic gift certificate requested for use includes special benefits, the use management unit 300 may verify the availability of the special benefits by requesting approval of the use of the special benefits to a card company which is a special benefit provider.

The usage management unit 300 checks whether the usage conditions for the electronic gift certificate requested for use are satisfied, such as whether the use is made at the designated place of use, whether the amount of money is matched, and whether the current owner is used. If it is determined that the use condition is satisfied, the use management unit 300 approves use of the electronic gift certificate and generates a use transaction.

The usage management unit 300 may generate a usage transaction with a transaction ID including at least one information of the electronic voucher use completion state, owner, use place, and use amount of money, and distribute and store the use history of the electronic voucher on the blockchain.

When the settlement processing unit 400 receives the electronic voucher settlement request from the user, the settlement processing unit 400 is realized as a smart contract that performs the settlement on the electronic voucher by reviewing the completion status of the requested electronic voucher and whether the settlement conditions are satisfied.

In the legacy linked type according to an embodiment, the settlement processing unit 400 may check the completion status of the electronic voucher on the blockchain with a transaction ID when the electronic voucher requested for settlement is a newly issued electronic voucher. In addition, when the settlement request electronic voucher is the existing electronic voucher, the settlement processing unit 400 may request the status information of the electronic voucher requested to be settled to the legacy device 20 that is the issuer of the electronic voucher to check the use completion state. In the P2P type according to another embodiment, when a prepaid electronic gift certificate is used, a separate settlement process is not required, so the settlement processing unit 400 may not perform a separate settlement process.

The settlement processing unit 400 checks whether the settlement conditions are satisfied, such as the completion of the use of the electronic gift certificate, the settlement of the settlement recipients, and the settlement of the settlement amounts. If it is determined that the settlement conditions are satisfied, the settlement processing unit 400 sends the settlement amount to the user to perform settlement and generates a settlement transaction. According to an embodiment of the present disclosure, when the electronic gift certificate requested for settlement includes special benefits, the use management unit 300 may perform a settlement by sending a settlement amount to a card company which is a special benefit provider.

The settlement processing unit 400 may generate a settlement transaction with a transaction ID including at least one or more information of the settlement contents, the settlement recipient, and the settlement amount of the electronic voucher, and distribute and store the settlement details of the electronic voucher on the blockchain.

4 is a flowchart illustrating a method of managing a blockchain-based electronic gift certificate according to an embodiment.

 The blockchain-based electronic gift certificate management method is a method in which an electronic gift certificate management platform manages electronic gift certificates, such as issuing electronic gift certificates, brokering transactions, and approving use based on the blockchain. The electronic gift certificate management platform may be realized as a smart contract, and may be stored in the storage unit 117 illustrated in FIG. 2 and executed in the independent execution unit 115 under the control of the controller 113. The smart contract is a program that implements the electronic voucher management platform. When the set conditions are satisfied, the smart contract is automatically realized according to the conditions.

The electronic voucher management platform may be realized in a legacy interlocking type according to one embodiment, and may be realized in a peer to peer (P2P) type according to another embodiment. In the legacy linked type according to an embodiment, the electronic voucher management platform requests the legacy device 20 to validate the electronic voucher, or request the deletion, change, or issuance of the electronic voucher to manage the electronic voucher. 20) can be performed in conjunction with. In the P2P type according to another embodiment, the electronic voucher management platform may independently manage the electronic voucher, such as independently brokering the transaction of the electronic voucher between individuals and processing the use thereof without interworking with the legacy device 20. . However, even in the P2P type according to another embodiment, the electronic gift certificate management platform may request the legacy device 20 to confirm the validity of the electronic gift certificate, which is not a management action such as deleting, changing, or issuing the electronic gift certificate.

Referring to FIG. 4, the method for managing a blockchain-based electronic gift certificate may include a gift certificate issuing step (S1), a transaction brokering step (S2), a using step (S3), and a settlement step (S4).

In step S1, the electronic voucher management platform validates the asset presented by the issuing requester, issues an electronic voucher corresponding to the asset, and generates an issuing transaction. 5 illustrates an embodiment in which the electronic gift certificate management platform issues a credit card benefit as an electronic gift certificate in association with the legacy device 20 in the legacy linked type. 6 illustrates another embodiment in which the electronic gift certificate management platform issues a credit card benefit to an electronic gift certificate in a P2P type.

Referring to FIG. 5, when the electronic voucher management platform receives the issuance request of the electronic voucher from the issuing requester (S51), the electronic voucher management platform may verify the validity of the asset presented by the issuing requester (S52). In step S52, if the asset presented by the issuer includes special benefits, the electronic gift certificate management platform inquires about the availability of the special benefits to the special use destination (ex, restaurant) and the special benefits to the special offer provider (ex, the card company). The validity of the special benefits can be verified by asking the validity of the special benefits.

If the electronic voucher management platform verifies that the availability of special benefits and special benefits is valid (S52, Yes), the electronic voucher is issued (S53). For example, special offers can be realized with discounts provided by the card company, and the issuer can purchase a restaurant ticket equivalent to 100,000 won if the buyer can purchase a restaurant ticket worth 100,000 won for 80,000 won through the card company discount. You can request the issuance of an electronic gift certificate on a discount voucher that can be purchased. In this case, the electronic gift certificate management platform may inquire the restaurant designated as the place of use, inquire about the availability of special benefits, and request verification of the validity of the special benefits presented by the issuer to the card company, which is a special benefit provider. Once the availability of the special benefits and the validity of the special benefits are verified, the electronic gift certificate management platform may issue an electronic gift certificate for the restaurant discount voucher.

The electronic voucher management platform may generate and issue an issuance transaction of the electronic voucher in the blockchain by generating a transaction ID including at least one information of the electronic voucher status, owner, use, issue amount, and special benefits (S54). .

Referring to FIG. 6, when the electronic voucher management platform receives the issuance request of the electronic voucher from the issuing requester (S61), the validity of the asset presented by the issuing requester and the use of the special benefit included in the special benefit included in the asset are determined. Inquiry can be verified (S62).

If the electronic voucher management platform verifies the availability of the special benefits (S62, Yes), the prepayment is carried out at a special benefit price (S63) to issue an electronic gift certificate to which the special benefits are applied (S64). For example, a special offer may be realized as a discount provided by the card company, and the issuer may pay 80,000 won as a special offer card when the card company discounts can be used to purchase a restaurant ticket worth 100,000 won for 80,000 won. It is possible to request the issuance of an electronic gift certificate on a restaurant use ticket corresponding to 100,000 won. At this time, the electronic voucher management platform can verify the availability of special benefits by contacting the restaurant designated as the place of use, and if it is verified, it can issue an e-gift voucher for restaurant use worth 100,000 won by proceeding upfront with the special price of 80,000 won. have.

The electronic voucher management platform may generate and issue a transaction transaction with a transaction ID including at least one information of electronic voucher status, owner, usage, issue amount, and special benefits, and distribute and store the issue details of the electronic voucher on the blockchain (S65). .

In step S2, the electronic gift voucher management platform verifies the validity and transaction conditions of the requested electronic voucher, performs the transaction of the electronic voucher according to the verification result and generates a transaction transaction. FIG. 7 illustrates an embodiment in which an electronic gift certificate management platform brokers a transaction of a newly issued electronic gift certificate in a legacy linked type or P2P type. 8 is another embodiment in which the electronic voucher management platform in the legacy linked mediation transactions of the existing electronic voucher. 9 is another embodiment in which an electronic gift certificate management platform brokers a transaction of an existing electronic gift certificate in a P2P type.

Referring to FIG. 7, when the electronic voucher management platform receives the electronic voucher transaction request from the purchase requester (S71), the electronic voucher management platform may validate the transaction requested electronic voucher (S72). In step S72, if the electronic voucher requested for the transaction is an electronic voucher issued by the electronic voucher management platform (hereinafter referred to as a newly issued electronic voucher), the electronic voucher management platform checks the validity information of the electronic voucher on the blockchain by the transaction ID. Can be verified. Here, the state information of the electronic voucher may include information such as whether the electronic voucher is issued, the amount of money issued, whether or not it is used, the period of use.

If the validity is verified (S72, Yes), the electronic voucher management platform may determine whether the transaction conditions are satisfied by comparing the amount sent by the purchase requester with the amount presented by the seller as the exchange value of the electronic voucher (S73). If the transaction conditions are satisfied (S73, Yes), the electronic gift certificate management platform may complete the transaction by transmitting the electronic gift certificate to the purchase requester and the sale amount to the seller (S74).

The electronic gift certificate management platform may generate a transaction transaction with a transaction ID including at least one or more information of an electronic gift certificate transaction state, owner, use place, and transaction amount, and may store and store the transaction details of the electronic gift certificate in the blockchain (S75). .

Referring to FIG. 8, when the electronic voucher management platform receives the electronic voucher transaction request from the purchase requester (S81), the electronic voucher management platform may verify the validity of the transaction requested electronic voucher (S82). In step S82, if the electronic voucher requested for transaction is an electronic voucher (existing electronic voucher) issued by the legacy device 20, the electronic voucher management platform of the electronic voucher requested to trade with the legacy device 20 that is the issuer of the electronic voucher. Status information can be requested and validated.

If the validity is verified (S82, Yes), the electronic gift certificate management platform may determine whether the transaction conditions are satisfied by comparing the amount sent by the purchase requester with the amount of money offered by the seller as the exchange value of the electronic gift certificate (S83). If the transaction conditions are satisfied (S83, Yes), the electronic gift certificate management platform requests the legacy device 20 to dispose of the existing electronic gift certificate to solve the problem of the seller using the electronic gift certificate after selling the electronic gift certificate, and the new electronic gift certificate. The transaction can be completed by requesting the legacy device 20 to issue a new electronic gift certificate having the same contents as the existing electronic gift certificate (S84) so that the purchase requester can use the device (S85).

The electronic voucher management platform may generate a transaction transaction with a transaction ID including at least one or more information of the electronic voucher transaction status, owner, use place, and transaction amount to distribute and store the transaction details of the electronic voucher on the blockchain (S86). .

Referring to FIG. 9, when the electronic voucher management platform receives the electronic voucher transaction request from the purchase requester (S91), the electronic voucher management platform may validate the transaction requested electronic voucher (S92). In step S92, if the transaction-requested electronic gift certificate is an existing electronic gift certificate, the electronic gift certificate management platform may request the state information of the transaction-requested electronic gift certificate to the legacy device 20 that is the issuer of the electronic gift certificate to verify validity.

If the validity is verified (S92, Yes), the electronic gift certificate management platform may compare the amount of money sent by the purchase requester with the amount of money offered by the seller as the exchange value of the electronic gift certificate (S93). If the transaction conditions are satisfied (S93, Yes), according to an embodiment, the electronic voucher management platform moves the electronic voucher requested from the seller's local disk (ex, mobile terminal) to the terminal device of the purchase requester after the seller By completing the transaction by deleting the electronic voucher requested from the local disk of the seller can prevent the seller from using the electronic voucher after the sale of the electronic voucher (S94, S95). According to another embodiment, the electronic voucher management platform encrypts the transaction requested electronic voucher stored on the seller's local disk, and transmits an encryption key to the terminal device of the purchase requester to complete the transaction to be reused after the seller sells the electronic voucher. The problem can be prevented (S94, S95).

 The electronic gift certificate management platform may generate a transaction transaction with a transaction ID including at least one or more information of an electronic gift certificate transaction state, owner, use place, and transaction amount, and store and store the transaction details of the electronic gift certificate in the blockchain (S96). . Here, the transaction status of the electronic gift certificate may include state information such as whether the electronic gift certificate is discarded and newly issued or whether the electronic gift certificate is encrypted.

In step S3, upon receiving the use request of the electronic gift certificate from the owner, the electronic gift certificate management platform checks whether the use condition is satisfied, approves the use of the electronic gift certificate, and generates a use transaction. FIG. 10 illustrates an embodiment in which an electronic gift certificate management platform approves the use of a newly issued electronic gift certificate or an existing electronic gift certificate in a legacy linked type or P2P type.

Referring to FIG. 10, when the electronic voucher management platform receives a request for using an electronic voucher from the owner (S101), the electronic voucher management platform verifies the validity of the requested electronic voucher (S102). In step S102, the electronic voucher management platform may verify the validity by checking the status information of the electronic voucher in the blockchain with a transaction ID, if the electronic voucher requested to use is a newly issued electronic voucher. In addition, when the electronic voucher requested to be used is an existing electronic voucher, the electronic voucher management platform may verify the validity by requesting the state information of the electronic voucher requested to be used by the legacy device 20 which is the issuer of the electronic voucher. The electronic voucher management platform may verify the availability of special benefits by requesting approval of the use of special benefits to the card company, which is a special benefit provider, when the electronic voucher requested to be used includes special benefits. Here, the electronic voucher management platform may deny the validity of the electronic voucher when the status information is in use, and may recognize the validity of the electronic voucher and complete the verification in the usable state.

If the electronic voucher is validated (S102, Yes), the electronic voucher management platform checks whether the terms of use for the electronic voucher requested for use are satisfied, such as whether it is used at the designated place of use, whether the amount of money is matched, or whether the current owner uses it. (S103). If it is determined that the conditions of use are satisfied (S103, Yes), the electronic gift certificate management platform approves the use of the electronic gift certificate (S104).

The electronic gift certificate management platform generates a usage transaction with a transaction ID including at least one information of the electronic gift certificate use completion state, owner, use place, and use amount, and stores the usage details of the electronic gift certificate in the blockchain (S105). .

In step S4, the electronic voucher management platform examines the completeness of the requested electronic voucher and whether the settlement conditions are satisfied, performs settlement on the electronic voucher and generates a settlement transaction. FIG. 11 illustrates an embodiment in which an electronic voucher management platform is settled for a newly issued electronic voucher or an existing electronic voucher in a legacy linked type.

Referring to FIG. 11, when the electronic voucher management platform receives the electronic voucher settlement request from the user (S111), the electronic voucher management platform may review the use completion state of the electronic voucher that has been requested for settlement (S112). In step S112, the electronic voucher management platform may check the completion status of the use of the electronic voucher in the blockchain with a transaction ID, if the electronic voucher requested for settlement is a newly issued electronic voucher. The electronic voucher management platform may check the use completion status by requesting the status information of the electronic voucher requested to be settled to the legacy device 20 that is the issuer of the electronic voucher when the electronic voucher requested for settlement is an existing electronic voucher.

When the electronic voucher is in use (S112, Yes), the electronic voucher management platform checks whether the settlement conditions are satisfied, such as whether the settlement recipients match or the settlement amount (S113). If it is determined that the settlement conditions are satisfied (S113, Yes), the electronic voucher management platform sends the settlement amount to the place of use to perform the settlement, and if the requested electronic voucher includes special benefits, the settlement is made to the card company, which is a special offer provider. The settlement can be performed by sending the amount of money (S114).

The electronic gift certificate management platform may generate a settlement transaction with a transaction ID including at least one or more information of the settlement content of the electronic voucher, the payment destination, and the settlement amount of money, and may store and store the settlement details of the electronic gift certificate in the blockchain (S115). .

While this specification contains many features, such features should not be construed as limiting the scope of the invention or the claims. Also, the features described in the individual embodiments herein can be implemented in combination in a single embodiment. Conversely, various features described in a single embodiment herein can be implemented individually in various embodiments or in combination as appropriate.

Although the operations are described in a particular order in the drawings, they should not be understood as being performed in a particular order as shown, or in a sequence of successive orders, or all described actions being performed to obtain a desired result. . Multitasking and parallel processing may be advantageous in certain circumstances. In addition, it should be understood that the division of various system components in the above-described embodiments does not require such division in all embodiments. The program components and systems described above may generally be packaged in a single software product or multiple software products.

The method of the present invention as described above may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form. Since this process can be easily implemented by those skilled in the art will not be described in more detail.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

100: gift voucher 200: transaction broker
300: use management unit 400: settlement processing unit

Claims (34)

In the platform for managing electronic gift certificates based on blockchain,
A use management unit which verifies the validity of the electronic voucher requested to be used and approves the use of the electronic voucher according to the verification result and generates a use transaction; And
And a settlement processing unit that performs the settlement on the electronic voucher and generates a settlement transaction by examining the use completion status of the requested electronic voucher and whether the settlement conditions are satisfied. The method of claim 1,
The use management unit,
If the electronic voucher requested to be used is a newly issued electronic voucher, verify the validity by checking the status information of the electronic voucher in the blockchain with the transaction ID of the electronic voucher.
If the electronic voucher requested to use is an existing electronic voucher, the electronic voucher management platform, characterized in that by requesting the status information of the electronic voucher requested to be used as the issuer of the electronic voucher. The method of claim 2,
The use management unit,
Electronic voucher management platform, characterized in that by using the transaction ID containing at least one information of the complete state, owner, use, amount of use of the electronic voucher generated by using a transaction to store the use history of the electronic voucher on the blockchain . The method of claim 3,
The use management unit,
When the special gift is included in the electronic voucher requested to use the electronic voucher management platform characterized in that to request the approval of the special benefits to the special benefits provider to verify the availability. The method of claim 1,
The settlement processing unit,
If the requested electronic voucher is a newly issued electronic voucher, check the completion status of the use of the electronic voucher on the blockchain using the transaction ID of the electronic voucher.
The electronic voucher management platform, characterized in that if the requested electronic voucher is an existing electronic voucher to check the completion status of the electronic voucher by requesting the status information of the electronic voucher requested to be settled. The method of claim 5,
The settlement processing unit,
When the completion status of the requested electronic gift certificate is confirmed and the settlement conditions are satisfied, the settlement amount is sent to the place of use for settlement.
An electronic gift certificate management platform, comprising: generating a settlement transaction with a transaction ID including at least one of information of a settlement of a electronic voucher, a payment destination, and a settlement amount, and storing the settlement details of the electronic voucher on the blockchain. The method of claim 6,
The settlement processing unit,
If the electronic voucher requested for settlement includes a special benefit, the electronic voucher management platform, characterized in that for performing the settlement by sending a settlement amount to the special benefit provider. The method of claim 1,
A gift voucher issuing unit for issuing an electronic voucher corresponding to the asset and generating an issuing transaction by verifying the validity of the asset presented by the issuing requester;
Electronic voucher management platform, characterized in that it further comprises. The method of claim 8,
The gift certificate issuing unit,
Electronic voucher management, characterized in that the issuance of the electronic voucher is distributed in the blockchain by creating an issuing transaction with a transaction ID including at least one information of the electronic voucher status, owner, use, issuance amount, special benefits platform. The method of claim 9,
The gift certificate issuing unit,
When the asset presented by the issuer includes special benefits, the availability of the special benefits is inquired to the use of special benefits, and the validity of the special benefits is provided to the special offer provider to verify the availability of the special benefits. Electronic voucher management platform, characterized in that if issued a special gift voucher. The method of claim 9,
The gift certificate issuing unit,
If the asset presented by the issuing requester includes special benefits, contact the place of special benefits to confirm the availability of the special benefits, and verify the availability of the special benefits. If the availability of the special benefits is verified, prepayment is made at the special price. The electronic gift certificate management platform, characterized in that to issue an electronic gift certificate applied to the special benefits. The method of claim 1,
A transaction brokerage unit that verifies the validity and transaction conditions of the requested electronic voucher and executes the transaction of the electronic voucher according to the verification result and generates a transaction transaction;
Electronic gift certificate management platform further comprising. The method of claim 12,
The transaction brokerage unit,
Electronic voucher management platform, characterized in that for generating a transaction transaction with a transaction ID including at least one information of the transaction status, the owner, the user, the transaction amount of the electronic voucher to distribute the transaction details of the electronic voucher on the blockchain. The method of claim 13,
The transaction brokerage unit,
If the requested electronic voucher is a newly issued electronic voucher, verify the validity by checking the status information of the electronic voucher on the blockchain using the transaction ID of the electronic voucher.
Electronic voucher management platform, characterized in that if the requested electronic voucher is an existing electronic voucher to verify the validity by requesting the status information of the electronic voucher to the issuer of the electronic voucher. The method of claim 14,
The transaction brokerage unit,
The electronic gift certificate management platform for requesting the issuance of electronic gift certificates and the issuance of new electronic gift certificates if the electronic gift certificate requested for transaction is an existing electronic gift certificate. The method of claim 14,
The transaction brokerage unit,
When the requested electronic gift certificate is an existing electronic gift certificate, the transaction is relayed by moving the electronic gift certificate requested from the seller's local disk to the terminal device of the purchase requester and then deleting the transaction requested electronic gift certificate from the seller's local disk. Voucher management platform. The method of claim 14,
The transaction brokerage unit,
If the transaction request electronic voucher is an existing electronic voucher, the electronic voucher management platform characterized by encrypting the transaction requested electronic voucher stored on the local disk of the seller and transmitting the encryption key to the terminal device of the purchase requester. In the method of managing electronic gift certificates based on blockchain,
A use step of validating the electronic voucher requested to be used and approving the use of the electronic voucher according to a verification result and generating a use transaction; And
And a settlement step of performing the settlement on the electronic voucher and generating a settlement transaction by examining the use completion status of the requested electronic voucher and whether the settlement conditions are satisfied. The method of claim 18,
The use step,
Receiving a request for using an electronic voucher;
Validating the electronic voucher requested to be used;
Determining whether the condition of use is satisfied; And
Generating a usage transaction by using a transaction ID including at least one information of an electronic voucher use completion state, owner, use place, and use amount of money, and storing the usage details of the electronic voucher on the blockchain; Electronic voucher management method to do. The method of claim 19,
Validating the electronic voucher,
If the electronic voucher requested to be used is a newly issued electronic voucher, verify the validity by checking the status information of the electronic voucher in the blockchain with the transaction ID of the electronic voucher.
If the electronic voucher requested to be used is an existing electronic voucher, the electronic voucher management method characterized in that to verify the validity by requesting the status information of the electronic voucher requested to be used as the issuer of the electronic voucher. The method of claim 19,
Validating the electronic voucher,
When the special gift is included in the requested electronic voucher, the electronic voucher management method characterized in that the request for approval of the special benefit to the special offer provider to verify the availability. The method of claim 18,
The settlement step,
Receiving a settlement request for an electronic gift certificate;
Checking the use completion status of the electronic voucher for which settlement is requested;
Determining whether the settlement condition is satisfied;
Performing settlement; And
Generating a settlement transaction with a transaction ID including at least one or more information of the settlement contents of the electronic voucher, the settlement recipient, and the settlement amount, and storing the settlement details of the electronic voucher on the blockchain; How to Manage Electronic Gift Certificates. The method of claim 22,
Checking the completion status of the electronic voucher,
If the requested electronic voucher is a newly issued electronic voucher, check the completion status of the use of the electronic voucher on the blockchain using the transaction ID of the electronic voucher.
The electronic voucher management method characterized in that if the requested electronic voucher is an existing electronic voucher to check the completion status of the electronic voucher by requesting the status information of the electronic voucher requested to be settled to the issuer of the electronic voucher. The method of claim 23, wherein
Performing the settlement,
When the completion status of the requested electronic gift certificate is confirmed and the settlement conditions are satisfied, the settlement amount is sent to the place of use for settlement.
If the requested electronic voucher includes a special benefit, the electronic voucher management method characterized in that the settlement is sent to the special benefit provider to perform the settlement. The method of claim 18,
Before the use step above,
A gift voucher issuing step of validating an asset presented by the issuing requester, issuing an electronic voucher corresponding to the asset and generating an issuing transaction;
Electronic voucher management method characterized in that it further comprises. The method of claim 25,
The gift certificate issuing step,
Receiving an electronic voucher issuance request;
Validating the asset presented by the issuer;
Issuing an electronic gift certificate; And
Generating an issuing transaction with a transaction ID including at least one information of electronic voucher status, owner, usage, issuance amount, and special benefits and storing the issuance details of the e-gift voucher in the blockchain;
Electronic gift certificate management method comprising a. The method of claim 26,
Validating the asset,
If the asset presented by the issuer includes special benefits, contact the place of special benefit for the availability of the special benefit, and contact the special offer provider for the validity of the special benefit to verify the availability of the special benefit and the validity of the special benefit. Verify
Issuing the electronic gift certificate,
If the validity is verified, electronic voucher management method for issuing an electronic voucher for a special benefit right. The method of claim 25,
The gift certificate issuing step,
Receiving an electronic voucher issuance request;
Verifying the validity of the asset presented by the issuing requester and inquiring the availability of the special benefit to the place of use of the special benefit included in the asset;
Issuing an electronic gift certificate to which special benefits are applied by performing a prepayment at a special benefit price; And
Generating an issuing transaction with a transaction ID including at least one information of electronic voucher status, owner, usage, issuance amount, and special benefits and storing the issuance details of the e-gift voucher in the blockchain;
Electronic gift certificate management method comprising a. The method of claim 18,
After the gift certificate issuing step,
A transaction brokering step of verifying validity and transaction conditions of the requested electronic voucher and performing a transaction of the electronic voucher according to a verification result and generating a transaction transaction;
Electronic voucher management method characterized in that it further comprises. The method of claim 29,
The transaction brokering step,
Receiving an electronic gift certificate transaction request;
Validating the electronic voucher requested for the transaction;
Verifying whether a transaction condition is satisfied;
Completing a transaction if the transaction condition is satisfied; And
Generating a transaction transaction with a transaction ID including at least one information of an electronic voucher transaction status, an owner, a user, a transaction amount, and storing the transaction details of the electronic voucher on the blockchain;
Electronic gift certificate management method comprising a. The method of claim 30,
Validating the electronic voucher requested transaction,
If the requested electronic voucher is a newly issued electronic voucher, verify the validity by checking the status information of the electronic voucher on the blockchain using the transaction ID of the electronic voucher.
The electronic voucher management method characterized in that if the transaction request electronic voucher is an existing electronic voucher to verify the validity by requesting the status information of the electronic voucher. The method of claim 31, wherein
Completing the transaction,
If the electronic voucher requested transaction is an existing electronic voucher, the electronic voucher management method characterized in that to complete the transaction by requesting the disposal of the existing electronic voucher and the issuance of a new electronic voucher. The method of claim 31, wherein
Completing the transaction,
If the electronic voucher requested transaction is an existing electronic voucher, the transaction is completed by moving the electronic voucher requested from the seller's local disk to the terminal device of the purchaser and deleting the electronic voucher requested from the seller's local disk to complete the transaction. Electronic gift certificate management method. The method of claim 31, wherein
Completing the transaction,
If the transaction request electronic voucher is an existing electronic voucher, the electronic voucher management method characterized by encrypting the transaction requested electronic voucher stored on the local disk of the seller and transmitting the encryption key to the terminal device of the purchase requester.

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