KR102397137B1 - Apparatus for providing prodcut authentication information using non-fungible token - Google Patents

Abstract

A device for providing product authentication information according to an embodiment of the present invention issues an NFT that reflects product authentication information and provides a product authentication tag associated therewith to a manufacturer of the product to provide product authentication information to consumers. The device includes: a product information receiving unit for receiving product information including a product category, product name, product image, production year, and material from a manufacturer terminal used by a product manufacturer; a coin receiving unit for receiving a set number of encrypted coins from the electronic wallet generated in the producer terminal through a block chain after the product information is received; an NFT issuing unit that issues an NFT in which the contents of the product information are stored in response to the coin reception and transmits the NFT to the electronic wallet generated in the producer terminal; and a product authentication tag generation unit for generating a product authentication tag having an identification code for querying product information stored in the issued NFT. The identification code is a QR code. The product authentication tag is manufactured as a real tag having an identification code and is provided to the manufacturer of the product, or is manufactured online and transmitted to the manufacturer's terminal. A consumer of the product scans the identification code through a consumer terminal used by the consumer, and can check product information of the product.

Description

Device for providing product authentication information using NFT {APPARATUS FOR PROVIDING PRODCUT AUTHENTICATION INFORMATION USING NON-FUNGIBLE TOKEN}

The present invention relates to a device for providing product authentication information using NFT, and more specifically, when a product manufacturer uploads information about a product they have made, an NFT tag reflecting the upload data is provided to ensure that the product is normally manufactured It relates to a device for providing product authentication information using NFT that can be provided to consumers of authentication information that is a product that has been manufactured.

In accordance with the development of the industrialization era, each industry achieved rapid development, and various brands appeared in the market. A small number of brands have been well-received by the public over time, have their own brand power, and are expanding their influence in the market through their brand awareness. However, as the brand grows, the market for counterfeit products by exploiting the brand's awareness to produce and sell fake products has also flourished, which is emerging as a big problem for each brand. Currently, as the manufacturing technology develops, fake products have reached a level where it is impossible to distinguish them from genuine products. am.

In this specification, the authentication tag of the product linked with the non-fungible token (NFT), which can effectively solve this problem, is issued and provided to the manufacturer of the product so that the consumer can check the authentication information of the product through the authentication tag. A device for providing product authentication information using NFT will be described.

[Prior literature]

Registered Patent 10-2199567

The present invention relates to an art transaction brokerage apparatus and method, and more particularly, to divide the art object into shares, enable buyers to buy and sell the divided shares in real time, and distribute the profits generated by the art work according to the shares It relates to an art transaction brokerage device and method.

The product authentication information providing device for providing product authentication information to consumers by issuing an NFT reflecting product authentication information according to an embodiment of the present invention and providing a product authentication tag related thereto to the product manufacturer is used by the product manufacturer A product information receiving unit that receives product information including product category, product name, product image, production year, and material from the manufacturer terminal, the number set from the electronic wallet created in the manufacturer terminal after the product information is received A coin receiving unit that receives the encrypted coin of and a product authentication tag generator for generating a product authentication tag containing an identification code for inquiring product information stored in the NFT, wherein the identification code is a QR code, and the product authentication tag is a real product with an identification code It is produced as a tag and provided to the manufacturer of the product, or is produced online and transmitted to the manufacturer's terminal, and the consumer of the product scans the identification code through the consumer terminal that he or she uses to obtain product information of the product. can be checked

Product authentication information providing device according to an embodiment of the present invention, when a purchase is made for the product from the consumer, the corresponding product is stored in the NFT the purchase signal input by the consumer by scanning the identification code through the consumer terminal A purchase signal transmitter for transmitting to the final owner terminal used by the final owner of An NFT update unit that receives the NFT for the product stored in the electronic wallet of the final owner terminal, and updates the NFT by reflecting information changed by the sale of the product to the product information stored in the NFT; and It further includes an NFT transmitter for transmitting the updated NFT according to the sales decision signal to the consumer terminal.

The product information includes brand data including a detailed image of the brand of the product and feature data including an image of a characteristic part in the appearance of the product, and the NFT issuing unit generates the brand data and the feature data As a basis, NFT is issued.

When product information on a requested product requested by a manufacturer is received, the device for providing product authentication information according to an embodiment of the present invention uses the brand data of the requested product and the brand data of the NFT issued product based on a machine learning algorithm. A similar brand extraction unit that compares and extracts a product having a similarity greater than or equal to a set ratio with the brand data of the requested product, and when a product with 100% similarity to the brand data of the requested product is extracted or extracted from the similar brand extraction unit and a block signal transmitter for generating a block signal for blocking issuance of the NFT of the requested product by the NFT issuing unit and transmitting the block signal to the NFT issuing unit when the number of is greater than or equal to the set number.

When product information on a requested product is received, the product authentication information providing apparatus according to an embodiment of the present invention extracts a product in the same range as the requested product from among the products issued by NFT, and features the extracted product A decision request signal transmitter that transmits a decision request signal requesting to determine whether both images are similar to each other by matching each image of the sub data with the feature data image of the corresponding requested product to a plurality of consumer terminals, and and a determination response signal receiving unit for receiving a determination response signal to the determination request signal from the consumer terminal and counting the determination response signal, wherein the block signal transmitter aggregates the determination response signal to determine whether both images are similar to each other. When the request signal is equal to or greater than the set ratio, the NFT issuer generates a block signal that blocks issuance of the NFT of the requested product and transmits it to the NFT issuer.

In the product authentication information providing apparatus according to an embodiment of the present invention, when the aggregation period elapses and a block signal is generated according to the aggregation result of the determination response signal, the extracted product feature data and the requested product feature data The set number of encrypted coins is transmitted to the consumer terminal that has input the judgment response signal determined that the image is similar, and when a block signal is not generated according to the aggregation result of the judgment response signal, the extracted product feature data and the requested product Further comprising a coin transmission unit for transmitting a set number of encrypted coins to a consumer terminal that has input a determination response signal determined that the image of the feature data is dissimilar, wherein the encrypted coin is cashable from a coin transaction server, characterized in that A device that provides product certification information.

Product authentication information providing device according to an embodiment of the present invention is a product information providing unit that provides product information of a product matching the previously issued NFT to a user terminal used by a user accessing the product authentication information providing device; A bundle request signal receiving unit for receiving a bundle request signal requesting bundle sales with the first product for a second product for which NFT is issued from the first manufacturer terminal that has received the NFT issued for one product, the bundle request signal is received An acceptance request signal transmission unit for transmitting an acceptance request signal requesting acceptance of a request for bundled sales with the first product to a second manufacturer's terminal that has received the NFT issued for the second product, and the second manufacturer In response to the acceptance request signal from the terminal, further comprising an acceptance signal receiving unit for receiving an acceptance signal to accept the bundle selling of the second product with the first product, the first manufacturer through the first manufacturer terminal After checking the product information provided by the product information providing unit, the bundle request signal is input.

When the acceptance signal is received, the apparatus for providing product authentication information according to an embodiment of the present invention generates a merged NFT in which the NFT issued for the first product and the NFT issued for the second product are merged to generate the first Further comprising an NFT merging unit for transmitting to each of the electronic wallet of the producer terminal and the electronic wallet of the second manufacturer terminal, wherein the merged NFT includes product information of the first product, product information of the second product, and the first product and information that bundle sales of the second product are in progress are stored, and the product authentication tag generation unit generates a merge authentication tag in which an identification code for inquiring information stored in the merged NFT is written.

Through the product authentication information providing device of the present invention, the consumer of the product scans the identification code that can inquire the product information stored in the NFT issued to the product with the consumer terminal he/she uses offline or online to scan the product You can confirm that this product is genuine, and you can trust it to purchase the product.

Through the device for providing product authentication information of the present invention, a producer may select a product for which NFT is issued to promote sales of his/her own product and attempt a bundled sale, and issue an additional combined NFT for the bundled sale As the certification for the product is strengthened, consumers can have confidence in the product even when purchasing the bundled product.

1 is a schematic diagram of a system for providing product authentication information according to an embodiment of the present invention.
2 is a block diagram of an apparatus for providing product authentication information according to an embodiment of the present invention.
3 is a block diagram of a data receiver according to an embodiment of the present invention.
4 is a block diagram of a data transmission unit according to an embodiment of the present invention.
5 is a view showing a product authentication tag and product information according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 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 them. However, the present invention may be embodied in several different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is "connected" with another part, this includes not only the case of being "directly connected" but also the case of being "electrically connected" with another element interposed therebetween. . In addition, when a part "includes" a certain component, it means that other components may be further included, rather than excluding other components, unless specifically stated to the contrary. Thus, the present invention will be described in detail.

1 is a schematic diagram of a product authentication information providing system 100 according to an embodiment of the present invention.

Referring to FIG. 1 , a product authentication information providing system 1000 according to an embodiment of the present invention includes a manufacturer terminal 100 , a consumer terminal 300 , and a product authentication information providing device connected to them and a network 400 ( 200) may be included.

The manufacturer's terminal 100 may be a terminal used by a person who manufactures a product. For example, the product may be a T-shirt, and the manufacturer terminal 100 may be a terminal used by a person engaged in clothing production.

The consumer terminal 300 may be a terminal used by a person who wants to purchase a product manufactured by a manufacturer.

In some cases, a consumer can become a producer by making a product, and a producer can become a consumer by purchasing another producer's product. A producer and a consumer may be users who use the product authentication information providing apparatus 200 to be described later.

The manufacturer terminal 100 and the consumer terminal 300 may be smartphones. However, the present invention is not limited thereto, and the producer terminal 100 and the consumer terminal 300 are electronic such as a general desktop computer, a navigation device, a notebook computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a tablet PC, and the like. device may be included. An electronic device may have one or more general or special purpose processors, memory, storage, and/or networking components (wired or wireless).

The product authentication information providing apparatus 200 may receive data from the manufacturer terminal 100 and the consumer terminal 300 , and provide the processed data to the purchaser terminal and the consumer terminal 300 . The product authentication information providing apparatus 200 may be a server, and may be installed in the manufacturer terminal 100 and the consumer terminal 300 to be implemented in the form of an application. The product authentication information providing apparatus 200 issues an NFT for authenticating a product manufactured by a manufacturer that the product is genuine, so that consumers can secure reliability in purchasing the product. This will be described in more detail below.

The communication method of the network 400 is not limited, and examples of the communication network that the network 400 may include include a mobile communication network, a wired online, a wireless online, and a communication method using a broadcasting network, as well as short-range wireless communication between devices. may be included. For example, the network 400 may include a personal area network (PAN), a local area network (LAN), a campus area network (CAN), a metropolitan area network (MAN), a wide area network (WAN), and a broadband network (BBN). , online, and the like.

2 is a block diagram of an apparatus 200 for providing product authentication information according to an embodiment of the present invention, FIG. 3 is a block diagram of a data receiving unit 201 according to an embodiment of the present invention, and FIG. 4 is a block diagram of the present invention is a block diagram of the data transmission unit 202 according to an embodiment of the present invention, and FIG. 5 is a diagram showing a product authentication tag and product information according to an embodiment of the present invention.

2 to 5, the product authentication information providing apparatus 200 includes a data receiving unit 201, a data transmitting unit 202, an NFT issuing unit 203, a product authentication tag generating unit 204, an NFT updating unit ( 205 ), a similar brand extractor 206 , and an NFT merging unit 207 .

The data receiver 201 includes a product information receiver 211 , a coin receiver 212 , a sales decision signal receiver 213 , a decision response signal receiver 214 , a bundle request signal receiver 215 , and an acceptance signal receiver 216 . may include

The data transmission unit 202 includes a purchase signal transmission unit 221 , an NFT transmission unit 222 , a block signal transmission unit 223 , a decision request signal transmission unit 224 , a coin transmission unit 225 , and a product information providing unit 226 , and an acceptance request signal transmitter 227 .

The product information receiver 211 may receive product information from the manufacturer terminal 100 . The producer may input product information including the category of the product, the name of the product, the image of the product, the date of manufacture, and the material in order to authenticate the product made by the manufacturer through the manufacturer terminal 100 , and use the input product information as the product. It may be transmitted to the information receiving unit 211 .

The coin receiving unit 212 may receive a set number of encrypted coins from the electronic wallet generated in the manufacturer terminal 100 through the block chain after the product information is received. The corresponding coin may be a coin required to process the certification of the product produced by the manufacturer, and the corresponding coin may be a coin that is traded on a generally known coin exchange.

The NFT issuing unit 203 may issue an NFT in which the contents of product information are stored in response to receiving the coin, and may transmit the issued NFT to the electronic wallet created in the manufacturer terminal 100 . NFT is a non-fungible token, a unique data unit stored by block chain technology, and may be a digital asset with a unique value assigned to the ownership and transaction history of the product manufactured by the producer.

The product authentication tag generation unit 204 may generate a product authentication tag in which an identification code for inquiring product information stored in the issued NFT is written.

The identification code may be a QR code as shown in FIG. 5, and the product authentication tag is made of a real tag with the corresponding identification code written therein, and can be used for product authentication when the product manufacturer sells the product offline. And, as it is produced online and transmitted to the manufacturer terminal 100 , it can be used for product authentication when the manufacturer of the product sells the product online.

Through the product authentication information providing device of the present invention, the consumer of the product scans the identification code that can inquire the product information stored in the NFT issued to the product with the consumer terminal 300 he/she uses offline or online Thus, you can confirm that the product is genuine, and you can purchase the product with confidence.

The purchase signal transmitting unit 221 is the final purchase signal used by the final owner of the product stored in the NFT, the purchase signal input by the consumer by scanning the identification code through the consumer terminal 300 when a purchase for the product is made from the consumer. It can be transmitted to the owner terminal. The final owner may be the manufacturer of the product, or may be the purchaser who purchased the product from the manufacturer.

The sales decision signal receiver 213 may receive a sales decision signal for the corresponding product from the final owner terminal to which the purchase signal is transmitted. When the sale decision signal is received, it may mean that the sale of the corresponding product is made. The sales may be performed offline or online. When the sale is made, the final owner may input a sales decision signal to his/her terminal, and the sales decision signal may be transmitted to the sales decision signal receiver 213 .

When the sale decision signal is received, the NFT updater 205 receives the NFT for the product stored in the electronic wallet of the final owner terminal, and adds information changed by the sale of the product to the product information stored in the NFT. The NFT can be updated by reflecting it. For example, when the owner changes as the product is sold, the NFT update unit 205 may receive the NFT for the product and update the NFT by reflecting the change in the owner of the product in product information.

The NFT transmitter 222 may transmit the updated NFT to the consumer terminal 300 according to the sales decision signal. As the consumer receives the NFT for the product he/she purchased through the consumer terminal 300, the You can complete the authentication for the transfer of ownership to

The product information may include brand data and feature data.

The brand data may include a detailed image of the brand of the product.

The feature data may include an image of a feature in the appearance of the product. For example, the feature data may include an image of a design representing a characteristic of a corresponding product, rather than an image that generally exists in the product.

The NFT issuing unit 203 may issue an NFT based on the brand data and the feature data. It will be described in detail below.

When product information on a requested product requested by the producer is received, the similar brand extraction unit 206 compares the brand data of the requested product and the brand data of the NFT-issued product based on a machine learning algorithm (Machine Learning Algorithm). Thus, it is possible to extract a product having a similarity greater than or equal to the set ratio with the brand data of the requested product. That is, the similar brand extraction unit 206 may calculate the similarity between the brand image of the requested product and the brand image of the product to which the NFT is issued, and extract a product having a similarity greater than or equal to a set ratio. However, the similar brand extraction unit 206 may extract the product except for the case where the manufacturer of the product having a similarity greater than or equal to the set ratio and the manufacturer of the requested product are the same. In the present invention, the machine learning algorithm is a known technology, and a detailed description thereof will be omitted.

The block signal transmission unit 223 may generate a block signal based on the product extracted from the similar brand extraction unit 206 . Specifically, the block signal transmission unit 223 is configured to extract a product having 100% similarity with the brand data of the requested product from the similar brand extraction unit 206, or when the number of extracted products is greater than or equal to a set number, the NFT issuing unit ( 203) may generate a block signal for blocking issuance of the NFT of the requested product and transmit it to the NFT issuance unit 203 .

The block signal transmitter 223 may block the NFT issuance of the requested product by generating a block signal when the brand of the requested product is the same as the product for which the NFT has been issued or there are many similar brands. Through this process, the reliability of product activation can be further improved.

When product information on the requested product is received, the determination request signal transmitting unit 224 extracts a product in the same range as the requested product from among the products issued by the NFT, and each image of the feature data of the extracted product A determination request signal requesting to match the feature data image of the requested product with the image to determine whether both images are similar to each other may be transmitted to the plurality of consumer terminals 300 . That is, when product information on the requested product is received, the determination request signal transmission unit 224 matches the requested product and NFT issued products of the same category with each other and compares and requests whether they are similar to the consumer terminal 300 or not. can be transmitted After accessing the application in which the product authentication information providing device of the present invention is implemented, the consumer can check the corresponding signal at any time.

The determination response signal receiving unit 214 may receive the determination response signal to the determination request signal from the plurality of consumer terminals 300 during the aggregation period and aggregate them. For example, the aggregation period may be one week, and the determination response signal receiving unit 214 may receive a determination response signal regarding whether the feature image is similar from the consumer terminal 300 for one week.

The block signal transmission unit 223 may generate a block signal based on the aggregation result of the determination response signal. Specifically, the block signal transmission unit 223 aggregates the determination response signals, and when the determination request signal determined that both images are similar to each other is greater than or equal to a set ratio in the overall determination request signal, the NFT issuing unit 203 sends the NFT of the requested product. It is possible to generate a block signal for blocking issuance of , and transmit it to the NFT issuance unit 203 . That is, if the majority of consumers feel that the feature of the requested product is similar to that of the existing NFT issued product, the block signal transmitter 223 generates a block signal in consideration of this, thereby preventing the issuance of the NFT of the requested product. can block Through this process, the reliability of product activation can be further improved.

The coin transmitter 225 may provide the above-described encrypted coin as a reward to consumers who have input a determination response signal. Specifically, when the aggregation period elapses and a block signal is generated according to the aggregation result of the determination response signal, the coin transmission unit 225 determines that the extracted product feature data and the requested product feature data image are similar. When a set number of encrypted coins is transmitted to the consumer terminal 300 that has input the signal, and a block signal is not generated according to the aggregation result of the judgment response signal, the extracted product feature data and the requested product feature data A set number of encrypted coins may be transmitted to the consumer terminal 300 that has input the determination response signal determined that the image is dissimilar. That is, the coin transmission unit 225 provides the encrypted coin to the consumer terminal 300 that has input the determination response signal, which is the basis for generating a block signal, so that the consumer can more carefully and accurately determine whether the feature is similar. can do

The product information providing unit 226 may provide product information of a product matching the previously issued NFT to a user terminal used by a user accessing the product authentication information providing apparatus 200 . The user may include both the producer and the consumer described above, and they can access the application in which the product authentication information providing device of the present invention is implemented, and can freely search and check the product information of the NFT issued product.

The bundle request signal receiving unit 215 receives a bundle request signal for requesting bundle sales with the first product for the second product to which the NFT is issued from the first manufacturer terminal 100 that has received the NFT issued for the first product. can do. For example, if it is a product that can expect synergy when sold in bundles, the manufacturer of the product can input a bundle request signal for NFT-issued products that can expect synergy effect through their terminal, and the input signal may be transmitted to the bundle request signal receiver 215 . The first manufacturer may check the product information provided by the product information providing unit 226 through the first manufacturer terminal 100 , and may input a bundle request signal with reference to this.

When the bundle request signal is received, the acceptance request signal transmitter 227 requests the second manufacturer terminal 100 to receive the NFT issued for the second product to accept the first product and bundle sales request. signal can be received.

The acceptance signal receiving unit 216 may receive an acceptance signal for accepting the bundle selling of the second product with the first product in response to the acceptance request signal from the second manufacturer terminal 100 .

When an acceptance signal is received, the NFT merging unit 207 may generate a merged NFT by merging the previously issued NFTs of the first product and the second product. Specifically, when an acceptance signal is received, the NFT merging unit 207 generates a merged NFT that merges the NFT issued for the first product and the NFT issued for the second product, and the electronic wallet and It can be transmitted to each of the electronic wallet of the second manufacturer terminal (100).

The merged NFT may store product information of the first product, product information of the second product, and information that the first product and the second product are bundled sales. The product authentication tag generation unit 204 may generate a merge authentication tag in which an identification code capable of inquiring information stored in the merged NFT is written, which is provided offline or online, as described above, to the first manufacturer and the second manufacturer. 2 can be provided to each manufacturer.

Products for which merged NFT has been issued can be sold in bundles to consumers, and if the first producer and the second producer later agree to cancel the bundled sale, the bundled sale is canceled through a procedure similar to that of the previous bundled sale. In this case, the issued merged NFT may be destroyed.

In this way, producers can select products for which NFTs have been issued to promote sales of their own products and attempt bundled sales. Even when purchasing the bundled product, you can build trust in the product.

The above-described embodiments are for illustration, and those of ordinary skill in the art to which the above-described embodiments pertain can easily transform into other specific forms without changing the technical idea or essential features of the above-described embodiments. you will understand Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope to be protected through this specification is indicated by the claims described below rather than the detailed description, and it should be construed to include all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts.

100: manufacturer terminal 202: data transmission unit
200: device for providing product authentication information 203: NFT issuing unit
201: data receiving unit 204: product authentication tag generating unit

Claims (8)

In the product authentication information providing device for providing product authentication information to consumers by issuing an NFT reflecting the authentication information of the product and providing a product authentication tag related thereto to the manufacturer of the product,
a product information receiving unit for receiving product information including a product category, a product name, an image of a product, a production year, and a material from the manufacturer terminal used by the manufacturer of the product;
a coin receiving unit for receiving a set number of encrypted coins from the electronic wallet generated in the manufacturer's terminal after receiving the product information through a block chain;
an NFT issuing unit that issues an NFT in which the contents of the product information are stored in response to the coin reception and transmits it to the electronic wallet generated in the manufacturer's terminal;
a product authentication tag generation unit generating a product authentication tag in which an identification code capable of inquiring the issued product information stored in the NFT is written;
When a purchase is made for the product from the consumer, the purchase signal transmitted by the consumer by scanning the identification code through the consumer terminal is transmitted to the final owner terminal used by the final owner of the product stored in the NFT. wealth;
a sales decision signal receiving unit for receiving a sales decision signal for the corresponding product from the final owner terminal to which the purchase signal is transmitted;
When the sale decision signal is received, the NFT for the product stored in the electronic wallet of the final owner terminal is received, and information changed by the sale of the product is reflected in the product information stored in the NFT to perform the NFT. NFT update unit to update; and
and an NFT transmitter for transmitting the NFT updated according to the sales decision signal to the consumer terminal,
The identification code is a QR code, and the product authentication tag is produced as a real tag in which an identification code is written and provided to the manufacturer of the product, or is produced online and transmitted to the manufacturer terminal,
The consumer of the product can scan the identification code through the consumer terminal used by the consumer to check the product information of the product,
The product information includes brand data including a detailed image of the brand of the product and feature data including an image of a characteristic part in the appearance of the product,
The NFT issuing unit issues an NFT based on the brand data and the feature data,
The product authentication information providing device,
When product information on the requested product requested by the manufacturer is received, the NFT extracts a product in the same range as the requested product from among the issued products, and each image of the extracted product feature data and the a determination request signal transmission unit for transmitting a determination request signal requesting to match the feature data images to determine whether both images are similar to each other to a plurality of consumer terminals;
a decision response signal receiving unit for receiving a decision response signal to the decision request signal from the plurality of consumer terminals during an aggregation period and counting them; and
When the determination request signal that the two images are determined to be similar by counting the determination response signals is equal to or greater than a set ratio in the total determination request signal, the NFT issuing unit generates a block signal that blocks the issuance of the NFT of the requested product, and the NFT Product authentication information providing device, characterized in that it further comprises a block signal transmission unit for transmitting to the issuing unit. delete delete delete delete According to claim 1,
When the aggregation period has elapsed and a block signal is generated according to the aggregation result of the determination response signal, the extracted product feature data and the feature data image of the requested product are similar to the consumer terminal inputting the decision response signal. When a set number of encrypted coins is transmitted and a block signal is not generated according to the aggregation result of the determination response signal, it is determined that the extracted product feature data and the image of the requested product feature data are dissimilar. Further comprising a coin transmission unit for transmitting the set number of encrypted coins to the consumer terminal,
The encrypted coin is a product authentication information providing device, characterized in that it can be converted into cash from a coin transaction server. 7. The method of claim 6,
a product information providing unit providing product information of a product matching the previously issued NFT to a user terminal used by a user accessing the product authentication information providing device;
a bundle request signal receiving unit for receiving a bundle request signal for requesting bundle sales with the first product with respect to the second product to which the NFT is issued from the first manufacturer terminal receiving the NFT issued for the first product;
When the bundle request signal is received, an acceptance request signal transmission unit for transmitting an acceptance request signal requesting acceptance of the first product and bundle sales request to the second manufacturer terminal that has received the NFT issued for the second product ; and
In response to the acceptance request signal from the second manufacturer terminal, further comprising an acceptance signal receiving unit for receiving an acceptance signal for accepting the bundle selling of the second product with the first product,
The first manufacturer checks the product information provided by the product information providing unit through the first manufacturer terminal, and then inputs the bundle request signal. 8. The method of claim 7,
When the acceptance signal is received, a merged NFT is generated by merging the NFT issued for the first product and the NFT issued for the second product, and the electronic wallet of the first manufacturer terminal and the electronic wallet of the second manufacturer terminal Further comprising an NFT merging unit to transmit to each,
The merged NFT stores product information of the first product, product information of the second product, and information that bundled sales of the first product and the second product are in progress;
The product authentication information providing device, characterized in that the product authentication tag generation unit generates a merge authentication tag in which an identification code for inquiring information stored in the merged NFT is written.

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