JP2023183254A - Electronic value conversion system, electronic value conversion method, electronic conversion apparatus, and program - Google Patents

Abstract

To properly perform authentication as to whether a value exchange medium can be converted to an electronic value.SOLUTION: An electronic value conversion system includes an electronic value conversion unit which is configured to: store, in a storage unit a first code and a second code in association with each other, for each value conversion medium with the first code and the second code formed by combining multiple code sections arranged separately on the value conversion medium; acquire a code attached to the value conversion medium; perform primary authentication on the basis of whether a medium information storage unit stores the first code coincident with the acquired code; perform secondary authentication on the basis of whether a code acquired after the primary authentication is established is coincident with the second code associated with the first code which has been confirmed to have been stored in the storage unit in the primary authentication; and offer an electronic value corresponding to the value conversion medium to a user in accordance with the establishment of the secondary authentication.SELECTED DRAWING: Figure 9

Description

The present invention relates to an electronic value conversion system, an electronic value conversion method, an electronic value conversion device, and a program.

The technology calculates the authenticity of a driver's license by inputting partial image data extracted from an image of a driver's license into an authenticity estimation model that has learned the relationship between partial image data and authenticity. known (for example, see Patent Document 1).

JP2021-26450A

When converting a value exchange medium such as a cash voucher into electronic value such as electronic money, it is required to appropriately authenticate that the value exchange medium can be exchanged into electronic value.

An object of the present invention is to appropriately authenticate that a value exchange medium can be converted into electronic value.

One aspect of the present invention that solves the above-mentioned problem is that the first code is formed by combining a first code that is unique for each value exchange medium and a plurality of code parts that are divided and arranged in the value exchange medium, and the value is a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium to which a second code that is unique for each exchange medium and is different from the first code; a code acquisition unit that acquires a code attached to a value exchange medium; and whether or not a first code that matches the code of the primary authentication target acquired by the code acquisition unit is stored in the medium information storage unit. Based on the result of the primary match determination, the primary authentication unit performs the primary authentication, and the code for the secondary authentication acquired by the code acquisition unit after the primary authentication is established is the primary authentication unit that performs the primary authentication. Performing secondary authentication based on the result of secondary matching determination as to whether or not the second code corresponds to the first code that is confirmed to be stored in the medium information storage unit at the time of authentication. An electronic value conversion system comprising: a secondary authentication unit; and an electronic value conversion unit that assigns electronic value corresponding to the value exchange medium to a user in response to the establishment of the secondary authentication. be.

One aspect of the present invention is an electronic value conversion method in an electronic value conversion system, wherein the electronic value conversion system includes a first code that is unique for each value exchange medium, and a first code that is divided and arranged in the value exchange medium. The first code and the second code are attached for each value exchange medium, and a second code is formed by combining a plurality of code parts, and is unique for each value exchange medium and is different from the first code. a code acquisition step for acquiring a code attached to a value exchange medium; and a first authentication target code that matches the code for the primary authentication acquired in the code acquisition step. a primary authentication step of performing primary authentication based on the result of primary matching determination as to whether or not a code is stored in the medium information storage unit; and a code acquisition step after the primary authentication is established. whether or not the code for the secondary authentication acquired by the above matches the second code associated with the first code that was confirmed to be stored in the medium information storage unit during the a secondary authentication step of performing secondary authentication based on the result of the secondary matching determination; and in response to the establishment of the secondary authentication, electronic value corresponding to the value exchange medium is assigned to the user in association with the user; This is an electronic value conversion method comprising an electronic value conversion step.

One aspect of the present invention is a first code that is unique for each value exchange medium and is formed by combining a plurality of code parts that are divided and arranged in the value exchange medium, and that is unique for each value exchange medium. An electronic value conversion system in an electronic value conversion system comprising a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium to which a second code different from the first code is attached. The value conversion device includes a code acquisition unit that acquires a code attached to a value exchange medium, and a first code that matches the code of the primary authentication target acquired by the code acquisition unit and stores it in the medium information storage unit. a primary authentication unit that performs primary authentication based on the result of a primary match determination as to whether or not the code is stored; and a secondary authentication target acquired by the code acquisition unit after the primary authentication is completed. based on the result of a secondary match determination as to whether or not the code matches a second code associated with the first code that was confirmed to be stored in the medium information storage unit at the time of the primary authentication. a secondary authentication unit that performs secondary authentication, and an electronic value conversion unit that assigns electronic value corresponding to the value exchange medium to the user in response to the establishment of the secondary authentication; It is an electronic value conversion device equipped with.

One aspect of the present invention is a first code that is unique for each value exchange medium and is formed by combining a plurality of code parts that are divided and arranged in the value exchange medium, and that is unique for each value exchange medium. A computer in an electronic value conversion system comprising a medium information storage unit that stores the first code and the second code in correspondence for each value exchange medium to which a second code different from the first code is attached. a code acquisition unit that acquires a code attached to a value exchange medium; and whether or not a first code that matches the code of the primary authentication target acquired by the code acquisition unit is stored in the medium information storage unit. Based on the result of the primary match determination, the primary authentication unit performs the primary authentication, and the code for the secondary authentication acquired by the code acquisition unit after the primary authentication is established is the primary authentication unit that performs the primary authentication. Performing secondary authentication based on the result of secondary matching determination as to whether or not the second code corresponds to the first code that is confirmed to be stored in the medium information storage unit at the time of authentication. The secondary authentication unit is a program for functioning as an electronic value conversion unit that assigns electronic value corresponding to the value exchange medium to the user in response to the establishment of the secondary authentication.

According to the present invention, it is possible to appropriately authenticate that a value exchange medium can be converted into electronic value.

1 is a diagram showing an example of the overall configuration of an electronic value exchange system according to the present embodiment. FIG. 2 is a diagram showing an example of a value exchange medium according to the present embodiment. FIG. 2 is a diagram showing an example configuration of a user terminal according to the present embodiment. It is a diagram showing an example of the configuration of an electronic value exchange server according to the present embodiment. It is a figure showing an example of user information concerning this embodiment. It is a figure showing an example of medium information concerning this embodiment. It is a diagram showing an example of the configuration of an electronic value management server according to the present embodiment. It is a figure showing an example of electronic value provision information concerning this embodiment. It is a flowchart showing an example of a processing procedure executed by a user terminal, an electronic value conversion server, and an electronic value management server according to the present embodiment when converting a value exchange medium into electronic value. It is a flowchart showing an electronic value conversion process by the electronic value conversion server according to the present embodiment and an example of a processing procedure of the electronic value management server according to the electronic value conversion process. 2 is a flowchart illustrating an example of a processing procedure executed by a user terminal and an electronic value conversion server according to the present embodiment in connection with interruption of electronic value conversion processing.

<Embodiment>
FIG. 1 is a diagram showing an example of the overall configuration of the electronic value conversion system of this embodiment. The electronic value conversion system of this embodiment includes a user terminal 100, an electronic value conversion server 200 (an example of an electronic value conversion device), and an electronic value management server 300.

User terminal 100 is a terminal owned by user U. An electronic value management application having a function of converting the value exchange medium CK into electronic value is installed on the user terminal 100. The user U is able to convert the value exchange medium CK into electronic value by using the user terminal 100 running the electronic value management application. In the present embodiment, the electronic value converted from the value exchange medium CK is not particularly limited, including, for example, electronic money that can be used on mail order sites, electronic money cards, etc., points that can be used on point cards, and the like.
The user terminal 100 may be, for example, a smartphone, a tablet terminal, or the like.

The electronic value conversion server 200 is communicably connected to the user terminal 100 and the electronic value management server 300 via a network. The electronic value conversion server 200 cooperates with the connected user terminal 100 to authenticate the value exchange medium CK. The electronic value conversion server 200 controls the electronic value converted from the value exchange medium CK so that it is set corresponding to the user U in the electronic value management server 300.

Authentication of the value exchange medium CK in this embodiment is performed in two stages.
The first stage of authentication (primary authentication) is an authentication of whether or not the value exchange medium CK is genuine.
The second stage of authentication (secondary authentication) is an authentication to confirm whether or not the value exchange medium CK has been invalidated. The value exchange medium CK of this embodiment is a physical medium of a predetermined shape, such as paper or resin, on which a first code CD1 and a second code CD2 are printed.

The first code CD1 is a code that is read by the user terminal 100 in response to primary authentication. The first code CD1 is a code that is unique for each value exchange medium CK. The first code CD1 may be, for example, a serial number or the like.

The second code CD2 is a code that is read by the user terminal 100 in response to secondary authentication. The second code CD2 is a unique code for each value exchange medium CK. The second code CD2 may be, for example, a value randomly selected from among unused second codes CD2 within a certain numerical range.

Such a value exchange medium CK is physically divided into two pieces in response to one conversion into electronic value, thereby being invalidated and cannot be reused. The secondary authentication is an authentication that confirms whether or not the value exchange medium CK is physically divided in response to invalidation.

The electronic value conversion server 200 converts the value exchange medium CK into electronic value in accordance with the establishment of primary authentication and secondary authentication. Here, the conversion of value exchange medium CK into electronic value involves generating corresponding electronic value according to value exchange medium CK that has been invalidated due to the establishment of secondary authentication, and giving the generated electronic value to user U. It is to be. The electronic value generated by the electronic value conversion server 200 is managed by the electronic value management server 300 so as to be associated with the user U.
Note that the electronic value management server 300 may be provided for each operator of electronic value services.

With reference to FIGS. 2(A) to 2(C), an example of the form of the value exchange medium CK and an example of the procedure of electronic value conversion performed by the user U using the value exchange medium CK and the user terminal 100 will be described.
FIG. 2A shows an example of the value exchange medium CK before use (before invalidation). A first code CD1 corresponding to the primary authentication and a second code CD2 corresponding to the secondary authentication are printed on the value exchange medium CK before invalidation. In the figure, the first code CD1 and the second code CD2 are each two-dimensional codes, but they may be one-dimensional codes such as barcodes, for example.

Perforations pf are formed in the value exchange medium CK at predetermined positions along the vertical direction of the figure.
The first code CD1 is arranged at a position that can be divided into left and right parts with the perforation pf as a boundary.

The second code CD2 is divided in advance into left and right code portions CD21 and right code portions CD22. In addition, the left cord portion CD21 is arranged so that its right end is along the perforation pf. The right cord portion CD22 is arranged such that its left end is spaced a certain distance to the right from the perforation pf, and its position in the vertical direction is shifted with respect to the left cord portion CD21. In such a positional relationship between the left code portion CD21 and the right code portion CD22, the horizontal virtual line Lv1 passes through the vertical middle of the left code portion CD21, and the horizontal virtual line Lv1 passes through the vertical middle of the right code portion CD22. It is in a state that it does not exist on the same straight line as the horizontal virtual line Lv2.

The user U receives the value exchange medium CK from a staff member at a store or a place where an event is held, for example. At the place where the user U received the distribution, the user U proceeds with the procedure up to the electronic value conversion according to the following procedure.

First, user U starts an electronic value management application on user terminal 100 that he/she owns. The user terminal 100 on which the electronic value management application has been activated logs into the electronic value conversion server 200 using the registered user U account.
The electronic value management application logged into the electronic value conversion server 200 guides the user U to read the first code CD1 from the value exchange medium CK into the user terminal 100, for example, for primary authentication. At this time, the user terminal 100 operates a code scanner (code reading section) so that the code can be read. The code scanner optically reads the code by, for example, being equipped with a camera (a device that detects reflection of irradiated light may be used).

The user U causes the user terminal 100 operating the code scanner to read the first code CD1 printed on the value exchange medium CK.
That is, the user U ensures that the first code CD1 printed on the value exchange medium CK falls within the imaging range of the camera operating at the user terminal 100. As a result, the first code CD1 is included in the captured image obtained by the camera. The user terminal 100 extracts the first code included in the captured image CD1 from the captured image.
The user terminal 100 transmits a primary authentication request including the extracted code to the electronic value conversion server 200.

Note that the second code CD2 is in a state where the left code portion CD21 and the right code portion CD22 are spaced apart from each other. Therefore, even if the second code CD2 is included in the captured image together with the first code, the code scanner will not recognize it as a code, so it will not be read by mistake.

The electronic value conversion server 200 stores medium information in which the printed first code CD1 and second code CD2 are associated with each other for each distributed value exchange medium CK. The electronic value conversion server 200 compares the first code CD1 included in the received primary authentication request with the first code CD1 in the medium information (first match determination).

As a result of the comparison, if any of the first codes CD1 in the medium information matches the first code CD1 included in the primary authentication request, it means that the primary authentication has been achieved. In other words, the value exchange medium CK for which the first code CD1 has been read is certified as having authenticity.
On the other hand, if as a result of the verification, there is no first code CD1 in the media information that matches the first code CD1 included in the primary authentication request, it is determined that the primary authentication was not successful. Become. In other words, the value exchange medium CK for which the first code CD1 has been read is not authentic and is recognized as a fake.

The electronic value conversion server 200 transmits the first authentication result to the user terminal 100. If the received first authentication result indicates that the authentication was unsuccessful, the user terminal 100 sends a message indicating that the value exchange medium CK for which the first code CD1 has been read is fake and cannot be converted into electronic value. An error message is notified to user U.

On the other hand, if the received first authentication result indicates that the authentication is successful, the user terminal 100 guides the user U to have the user terminal 100 read the second code CD2. In order for the second code CD2 to be read by the user terminal 100, the value exchange medium CK is separated from the perforation PF, and the left side medium piece pi1 and the right side medium piece pi2 obtained by the separation are combined, and the left code part CD21 and the right side medium piece pi2 are combined. It is necessary to form one second code CD2 with the code portion CD22.
The separation of the value exchange medium CK is performed in order to invalidate the value exchange medium CK, which is a physical medium, and make it unusable from now on. Therefore, the fact that the second code CD2 has become readable by the user terminal 100 means that the value exchange medium CK has been separated and cannot be used thereafter.

As shown in FIG. 2(A), the left code portion CD21 and the right code portion CD22 are arranged in the value exchange medium CK so that their virtual lines Lv1 and Lv2 are not on the same straight line. . Due to this arrangement, the second code CD2 cannot be formed simply by folding between the left code portion CD21 and the right code portion CD22 in the value exchange medium CK, and in order to form the second code CD2, it is necessary to The value exchange medium CK must be separated. In other words, the arrangement of the left code portion CD21 and the right code portion CD22 in FIG. It is possible to prevent fraud by attempting to receive electronic value conversion.

In response to the guidance from the user terminal 100 to read the second code CD2, the user U separates the value exchange medium CK from the perforation pf according to the guidance from the user terminal 100. In the guidance for reading the second code CD2 by the user terminal 100, the user U may be guided through the procedure of separating the value exchange medium CK from the perforation PF.

FIG. 2(B) shows the value exchange medium CK separated from the perforation pf. The value exchange medium CK is separated at the perforation pf and is thus divided into a left side medium piece pi1 and a right side medium piece pi2. On the left side medium piece pi1, a left code portion CD11 of the first code CD1 and a left code portion CD21 of the second code CD2 are arranged. On the right side medium piece pi2, a right code portion CD12 of the first code CD1 and a right code portion CD22 of the second code CD2 are arranged.
Regarding the separated left media piece pi1 and right media piece pi2, as shown in FIG. so that code CD2 is formed. At this time, the virtual line Lv1 and the virtual line Lv2 are on the same straight line.
The user U causes the code scanner of the user terminal 100 to read the formed second code CD2. The user terminal 100 transmits a secondary authentication request including the read second code CD2 to the electronic value conversion server 200.

At this time, as shown in FIG. 2C, the right side portion of the left code portion CD11 and the left side portion of the right code portion CD12 overlap. Therefore, since the code scanner does not recognize the first code CD1 as a code, it will not be read by mistake.

The electronic value conversion server 200 compares the second code CD2 included in the received secondary authentication request with the second code CD2 in the medium information stored by itself (secondary match determination).
As a result of the verification, if there is a second code CD2 in the medium information stored by the user that matches the second code CD2 included in the secondary authentication request, it is determined that the secondary authentication has been achieved. become. Establishment of the secondary authentication means that it has been confirmed that the value exchange medium CK, which is a physical medium, has been separated and invalidated.
On the other hand, as a result of the verification, if there is no second code CD2 in the medium information stored by the user that matches the second code CD2 included in the secondary authentication request, the secondary authentication is not completed. It turns out it never happened. Failure of the secondary authentication means that invalidation due to separation of the value exchange medium CK, which is a physical medium, has not been confirmed.

The electronic value conversion server 200 transmits the second authentication result to the user terminal 100. If the received second authentication result indicates that the authentication was unsuccessful, the user terminal 100 sends an error message to the user U to the effect that conversion to electronic value is not possible because the invalidation cannot be confirmed. inform.
On the other hand, if the received second authentication result indicates that the authentication is successful, the user terminal 100 transmits an electronic value conversion request to the electronic value management server 300. The electronic value conversion request includes a user ID that can identify the corresponding user U, and a second code CD2 read from the value exchange medium CK in response to the current secondary authentication.

The electronic value management server 300 stores electronic value information that associates the converted electronic value with the second code CD2 of the value exchange medium CK. The electronic value management server 300 acquires the electronic value associated with the second code CD2 included in the received electronic value conversion request from the electronic value information. The electronic value management server 300 transmits an electronic value registration request including the acquired electronic value and the user ID included in the received electronic value conversion request to the electronic value conversion server 200.

In response to receiving the electronic value registration request, the electronic value conversion server 200 associates the electronic value included in the received electronic value registration request with the user indicated by the user ID included in the received electronic value registration request. Manage as follows.
The electronic value conversion server 200 sends a notification to the user terminal 100 that the conversion from the value exchange medium CK to electronic value has been completed (conversion completion notification). In response to receiving the conversion completion notification, the user terminal 100 notifies the user U that the conversion from the value exchange medium CK to electronic value has been completed.

When the user U confirms that the conversion to electronic value has been completed based on the notification made at the user terminal 100, the user U discards the used value exchange medium CK after separation.

Conversion to electronic value using an electronic value management application is required to be performed while the electronic value management application remains active. In other words, if the electronic value management application becomes inactive until the conversion to electronic value is completed, at the time it becomes inactive, the previous conversion to electronic value The corresponding process is interrupted. The inactive state is a state in which the electronic value management application is terminated, or a state in which it is not terminated but operates in the background. In addition, the inactive state also includes a case where, for example, the electronic value management application itself is in an active state and is running in the foreground, but it transitions to an application screen of another function different from the electronic value conversion function. It's fine.

If the process corresponding to the conversion into electronic value is interrupted, for example, the previous primary authentication and secondary authentication will become invalid. Therefore, when the user U wants to restart the conversion into electronic value, he/she will have to do so by causing the user terminal 100 to read the first code CD1 from the value exchange medium CK in response to the primary authentication. .
In this way, fraud prevention is strengthened by requiring conversion to electronic value to be performed through primary and secondary authentication while the electronic value management application remains active. can be achieved.

In addition, when converting to electronic value using an electronic value management application, if the user terminal 100 does not read the second code in response to secondary authentication within a certain period of time after primary authentication is established, , the process corresponding to the conversion to electronic value will be interrupted.
In this way, even if the second code is not read by the user terminal 100 within a certain period of time after the first authentication is established, conversion to electronic value is not performed, thereby strengthening fraud prevention. can be achieved.

In this way, the electronic value conversion system of this embodiment can convert the value exchange medium CK into electronic value that can be used by the user U.

An example of the functional configuration of the user terminal 100 will be described with reference to FIG. 3. The user terminal 100 includes a communication section 101, a code reading section 102, an operation section 103, a display section 104, a control section 105, and a storage section 106.

The communication unit 101 communicates with the electronic value conversion server 200 and the electronic value management server 300 via the network.

The code reading unit 102 functions as a code scanner that reads codes from images. Specifically, the code reading unit 102 includes a camera as hardware, and extracts a code included in a captured image captured by the camera.

The operation unit 103 receives operations performed on operators and input devices provided in the user terminal 100.
The display unit 104 includes a display device and displays images under the control of the control unit 105.
Note that the user terminal 100 may include a touch panel whose display surface can be operated.

The control unit 105 performs various controls on the user terminal 100.
The storage unit 106 stores various information related to the user terminal 100.

An example of the functional configuration of the electronic value conversion server 200 will be described with reference to FIG. 4. The electronic value conversion server 200 includes a communication section 201, a control section 202, and a storage section 203.

The communication unit 101 communicates with the user terminal 100 and the electronic value management server 300 via the network.

The control unit 202 executes various controls in the electronic value conversion server 200. The control unit 202 includes a code acquisition unit 221 , a primary authentication unit 222 , a secondary authentication unit 223 , an electronic value conversion unit 224 , and an interruption processing unit 225 .
The code acquisition unit 221 acquires a code included in a primary authentication request or a secondary authentication request transmitted from the user terminal 100.
The primary authentication unit 222 performs primary authentication using the code acquired from the primary authentication request by the code acquisition unit 221.
The secondary authentication unit 223 performs secondary authentication using the code acquired from the secondary authentication request by the code acquisition unit 221.

In response to receiving the electronic value conversion request transmitted from the user terminal 100, the electronic value conversion unit 224 converts the target value exchange medium CK to the user indicated by the user ID included in the received electronic value conversion request. It is controlled so that it is managed by the electronic value management server 300 as having been given electronic value.

The interruption processing unit 225 interrupts the processing for conversion into electronic value in response to the electronic value management application becoming inactive on the user terminal 100.

The storage unit 203 stores various information related to the electronic value conversion server 200. The storage unit 203 includes a user information storage unit 231 and a medium information storage unit 232.

The user information storage unit 231 stores user information for each user U.
FIG. 5 shows an example of the content of user information corresponding to one user U. The user information corresponding to one user U includes areas of a user account and a user profile.
The user account area stores the user account of the corresponding user U. The user account may include a user ID, a password associated with the user ID, an application ID of the electronic value management application in which the user account is registered, and the like.
The user profile area stores the user profile of the corresponding user U. The user profile may include the user name, gender, age, etc. of the corresponding user U.

The explanation returns to FIG. 4. The medium information storage unit 232 stores codes (first code CD1, second code CD2) attached to each value exchange medium CK that has been issued (manufactured) so far, and convertible electronic value (conversion electronic value).
FIG. 6 shows an example of medium information stored in the medium information storage section 232. One line (one record) in the figure is medium information corresponding to one value exchange medium CK. The medium information corresponding to one value exchange medium CK is information in which the first code CD1, the second code CD2, and the converted electronic value attached to the corresponding value exchange medium CK are stored in association with each other.
The converted electronic value indicates the content of the electronic value converted from the corresponding value exchange medium CK. Specifically, when the value exchange medium CK is convertible into a monetary amount, the converted electronic value indicates the convertible monetary amount. If the value exchange medium CK is convertible into points, the converted electronic value indicates the number of points after conversion.

An example of the functional configuration of the electronic value management server 300 will be described with reference to FIG. 7. The electronic value management server 300 includes a communication section 301, a control section 302, and a storage section 303.
The communication unit 301 communicates with the user terminal 100 and the electronic value conversion server 200 via the network.
The control unit 302 executes various controls in the electronic value management server 300.

The storage unit 303 stores various information related to the electronic value management server 300. The storage unit 303 includes an electronic value imparting information storage unit 331.

The electronic value assignment information storage unit 331 stores electronic value assignment information. The electronic value assignment information indicates the electronic value assigned to each user U (assigned electronic value).
FIG. 8 shows an example of electronic value assignment information stored in the electronic value assignment information storage unit 331. One line (one record) in the figure is electronic value provision information corresponding to one user U. The electronic value assignment information corresponding to one user U is information that associates the assigned electronic value with the user ID.

With reference to the flowchart of FIG. 9, an example of a processing procedure executed by the user terminal 100, the electronic value conversion server 200, and the electronic value management server 300 when converting the value exchange medium CK into electronic value will be described.
First, an example of a processing procedure executed by the user terminal 100 will be described.

Step S100: User U starts an electronic value management application when converting value exchange medium CK into electronic value. The activated electronic value management application logs into the electronic value conversion server 200 using the registered user account. The electronic value management application displays a home screen on the display unit 104 in response to activation. User U performs an operation on the displayed home screen to transition to an application screen corresponding to electronic value conversion.
In response to the display of the application screen corresponding to electronic value conversion as described above, the control unit 105 displays a display that guides the user U to perform an operation to read the first code CD1 on the application screen. I do.

Step S102: The user U performs an operation to cause the user terminal 100 to read the first code CD1 printed on the value exchange medium CK that has not yet been separated, according to the guidance displayed in step S100. In response to this operation, the code reading unit 102 of the user terminal 100 extracts the code in the captured image captured by the camera as the first code reading.

Step S104: The control unit 105 in the user terminal 100 transmits a primary authentication request to the electronic value conversion server 200. The primary authentication request includes the user ID of user U registered in the electronic value management application running on the user terminal 100 (an application ID that uniquely indicates the electronic value management application), the code read in step S102, and including.

Step S106: In response to the primary authentication request transmitted in step S104, the electronic value conversion server 200 executes primary authentication and transmits the primary authentication result to the user terminal 100. The control unit 105 of the user terminal 100 determines whether authentication is successful based on the received primary authentication result.

Step S108: If it is determined in step S106 that the authentication is successful, the control unit 105 displays on the application screen to notify the user U that the primary authentication has been successful. Further, the control unit 105 displays a message on the application screen that guides the user U to next perform an operation of separating the value exchange medium CK and having the user terminal 100 read the second code CD2.

Step S110: Following the guidance displayed in step S108, the user U separates the value exchange medium CK and combines the left media piece pi1 and the right media piece pi2 to form the second code CD2. The user U performs an operation to cause the user terminal 100 to read the formed second code CD2. In response to this operation, the code reading unit 102 of the user terminal 100 extracts the code in the captured image captured by the camera as a second code reading.

Step S112: The control unit 105 transmits a secondary authentication request to the electronic value conversion server 200. The secondary authentication request includes the user ID of user U registered in the electronic value management application running on the user terminal 100 (an application ID that uniquely indicates the electronic value management application), the code read in step S110, and including.

Step S114: In response to the secondary authentication request transmitted in step S112, the electronic value conversion server 200 executes secondary authentication and transmits the secondary authentication result to the user terminal 100. The control unit 105 of the user terminal 100 determines whether or not authentication is successful based on the received secondary authentication result.

Step S116: If it is determined in step S114 that the secondary authentication result indicates successful authentication, the control unit 105 transmits an electronic value conversion request to the electronic value conversion server 200. The electronic value conversion request includes the user ID of the user U registered in the activated electronic value management application and the code read in step S110. If the secondary authentication is successful, the code read in step S110 this time is the valid second code CD2.

Step S118: In response to the electronic value conversion request sent in step S116, the electronic value conversion server 200 converts the electronic value corresponding to the value exchange medium CK targeted this time to the user U in association with the electronic value conversion request. Execute the conversion process. The electronic value conversion server 200 that has completed the electronic value conversion process sends a notification that the electronic value conversion process has been completed (conversion completion notification) to the user terminal 100.
In response to receiving the conversion completion notification, the control unit 105 in the user terminal 100 notifies the user U that the conversion to electronic value has been completed. Notification that the conversion to electronic value has been completed may be performed, for example, on the application screen on the display unit 104.

Step S120: If it is determined in step S106 that the primary authentication was unsuccessful, the control unit 105 of the user terminal 100 determines that the primary authentication was unsuccessful without executing the processes from step S108 onward. Notify user U. Notification that the primary authentication was unsuccessful may be performed, for example, on the application screen on the display unit 104.
Furthermore, if it is determined in step S114 that the secondary authentication has not been achieved, the control unit 105 notifies the user U that the secondary authentication has been unsuccessful, without executing the processes from step S116 onward. inform.

Next, an example of a processing procedure executed by the electronic value conversion server 200 will be described.
Step S200: The electronic value conversion server 200 executes the primary authentication process as follows in response to the primary authentication request transmitted from the user terminal 100 in step S104.
The code reading unit 102 acquires the code (the code read in step S102) from the received primary authentication request.
The primary authentication unit 222 searches the medium information storage unit 232 for a first code that matches the code acquired by the code reading unit 102 (primary match determination).
If the first code that matches the code acquired by the code reading unit 102 is retrieved from the medium information storage unit 232, it means that the primary authentication has been achieved. Since the primary authentication has been completed, the target value exchange medium CK has been certified as having authenticity.
On the other hand, if the first code that matches the code acquired by the code reading unit 102 is not retrieved from the medium information storage unit 232, the primary authentication is unsuccessful. If the primary authentication fails, it means that the target value exchange medium CK is certified as not having authenticity.

Step S202: The primary authentication unit 222 determines whether primary authentication is successful as a result of the primary authentication process in step S200.

Step S204: If it is determined in step S202 that the primary authentication is successful, the primary authentication unit 222 transmits the primary authentication result indicating that the authentication is successful to the user terminal 100.

Step S206: If it is determined in step S202 that the primary authentication has failed, the primary authentication unit 222 transmits the primary authentication result indicating that the authentication has failed to the user terminal 100.

Step S208: After the primary authentication result indicating successful authentication is transmitted in step S204, the user terminal 100 transmits a secondary authentication request including the code obtained by reading the code a second time. The electronic value conversion server 200 executes the secondary authentication process as described below in response to receiving the secondary authentication request.
The code reading unit 102 acquires the code (the code read in step S110) from the received secondary authentication request.
The secondary authentication unit 223 acquires the second code stored in the medium information so as to be associated with the first code retrieved in the primary authentication in step S200. The secondary authentication unit 223 compares the second code acquired from the medium information with the code acquired from the secondary authentication request by the code reading unit 102, and determines whether the two match (secondary matching determination). Perform authentication.
If the two match, it means that secondary authentication has been achieved. By establishing the secondary authentication, it is confirmed that the target value exchange medium CK has been separated and is in an invalid state.
On the other hand, if the two do not match, it means that the secondary authentication was unsuccessful. If the secondary authentication is unsuccessful, it means that it has not been confirmed that the target value exchange medium CK has been separated and is in an invalid state.
The secondary authentication unit 223 also generates a second authentication request that includes the same user ID (or application ID) that was included in the primary authentication request received in response to the previous primary authentication process (step S200). If the next authentication request is not received, the secondary authentication process in step S208 is not executed. By setting whether or not to execute the secondary authentication process based on the user ID included in the secondary authentication request in this way, the user terminal 100 that read the code for the first time and the user terminal 100 that read the code for the second time It is possible to prevent unauthorized operations and erroneous operations when the user terminal 100 is different.

Step S210: The secondary authentication unit 223 determines whether or not secondary authentication is successful as a result of the secondary authentication process in step S208.

Step S212: If it is determined in step S210 that the secondary authentication is successful, the secondary authentication unit 223 transmits the secondary authentication result indicating that the authentication has been successful to the user terminal 100.

Step S214: If it is determined in step S210 that the primary authentication was unsuccessful, the primary authentication unit 222 transmits the primary authentication result indicating that the authentication was unsuccessful to the user terminal 100.

Step S216: In response to the establishment of the secondary authentication, the electronic value conversion unit 224 converts the electronic value into an electronic value for granting electronic value to the user U corresponding to the user account registered in the electronic value management application of the user terminal 100. Execute the conversion process.

Step S218: Upon completion of the electronic value conversion process in step S216, the electronic value conversion unit 224 transmits a conversion completion notification to the user terminal 100.

In addition, upon completion of the electronic value conversion process, the electronic value conversion unit 224 sends a message to the corresponding medium information indicating that the value exchange medium CK has been used and has been converted to electronic value. It is also possible to store the completed information.

The flowchart in FIG. 10 shows the electronic value conversion process as step S216 in FIG. 9 and an example of the processing procedure of the electronic value management server 300 according to the electronic value conversion process.
Step S300: In the electronic value conversion server 200, the electronic value conversion unit 224 specifies the contents of the electronic value to be converted from the value exchange medium CK targeted this time. Therefore, the electronic value conversion unit 224 acquires the converted electronic value associated with the second code CD2 included in the electronic value conversion request transmitted from the user terminal 100 in step S116 from the medium information storage unit 232. do. The converted electronic value acquired in this way becomes the content of the specified electronic value. The specification of the content of electronic value in step S300 can be viewed as generating electronic value converted from the value exchange medium CK.

Step S302: The electronic value conversion unit 224 transmits an electronic value provision request to the electronic value management server 300. The electronic value assignment request includes information on the contents of the electronic value specified in step S300 and the user ID included in the primary authentication request or secondary authentication request transmitted from the user terminal 100.
Transmission of such an electronic value granting request serves as a control for the electronic value conversion unit 224 to grant electronic value to the corresponding user U at the electronic value management server 300.

Step S304: In response to the electronic value grant request transmitted in step S302, the electronic value management server 300 grants electronic value to the user U, and then transmits a grant completion notification to the electronic value conversion server 200. The electronic value conversion unit 224 receives the sent notification of completion of grant. The electronic value conversion unit 224 can recognize that the provision of electronic value to the user U has been completed by receiving the notification of completion of provision.

Next, an example of a processing procedure executed by the electronic value management server 300 will be described.
Step S400: In response to receiving the electronic value assignment request transmitted from the electronic value conversion server 200 in step S302, the control unit 302 of the electronic value management server 300 executes electronic value assignment processing.
As the electronic value assignment process, the control unit 302 searches the electronic value assignment information storage unit 331 for electronic value assignment information that stores the same user ID as that included in the received electronic value assignment request. The control unit 302 adds an amount of money, points, etc. as electronic value based on the information on the contents of the electronic value included in the received electronic value allocation request to the granted electronic value in the searched electronic value allocation information. In this way, the electronic value imparting process is performed.

Step S402: When the electronic value granting process in step S400 is completed, the control unit 302 transmits a grant completion notification to the electronic value conversion server 200.

The process previously shown in FIG. 9 is interrupted in response to the user terminal 100 becoming inactive as described above. Further, the process shown in FIG. 9 is also interrupted if a predetermined period of time elapses without a second code reading after the first code reading by the user terminal 100.

With reference to the flowchart of FIG. 11, an example of a processing procedure executed by the user terminal 100 and the electronic value conversion server 200 in connection with interruption of the electronic value conversion process will be described.
First, an example of a processing procedure executed by the user terminal 100 in response to the electronic value management application transitioning to an inactive state will be described.
Step S500: In the user terminal 100, the control unit 105 waits for the electronic value management application currently operating in an active state to transition to an inactive state.

Step S502: When the electronic value management application transitions to an inactive state, the control unit 105 interrupts the processing that has been executed so far in response to electronic value conversion on the user terminal 100, and initializes the electronic value management application. transition to the state. Specifically, the control unit 302 may change the initial state to a state in which, for example, a home screen of an electronic value management application is displayed.

Step S504: Further, the control unit 105 transmits to the electronic value management server 300 a notification that the electronic value management application has transitioned to an inactive state (inactive transition notification).

Next, an example of a processing procedure that the user terminal 100 executes as time passes from the first code reading to the second code reading will be described.
Step S510: Further, the control unit 105 in the user terminal 100 waits for the first code reading to be executed.
Step S512: In response to the first code reading being executed, the control unit 105 starts measuring time.

Step S514: After the start of time measurement in step S512, the control unit 105 determines whether or not the second code reading has been performed. If it is determined that the second code reading has been performed, the process in the figure may be terminated.
Step S516: If it is determined in step S514 that the second code reading is not performed, the control unit 105 determines whether a predetermined time has elapsed since the start of time measurement in step S512. If the predetermined time has not elapsed, the process returns to step S514.

Step S518: If it is determined in step S516 that the predetermined time has elapsed without the second code reading being executed, the control unit 105 controls the user terminal 100 to perform the previous code reading corresponding to the electronic value conversion. The current processing is interrupted and the electronic value management application is returned to its initial state.

Step S520: The control unit 105 also sends a notification (timeout notification) to the electronic value management server 300 that the electronic value management application has transitioned to the initial state due to timeout.

Next, an example of a processing procedure executed by the electronic value conversion server 200 in response to receiving an inactivity transition notification or a timeout notification transmitted from the user terminal 100 will be described.
Step S600: The interruption processing unit 225 in the electronic value conversion server 200 receives the inactivity transition notification sent in step S504 or the timeout notification sent in step S520 from the user terminal 100.

Step S602: In response to receiving the inactivity transition notification or timeout notification, the interruption processing unit 225 performs the processing that has been executed in response to the authentication request (primary authentication request or secondary authentication request) from the user terminal 100. interrupt.

<Modified example>
Modifications of this embodiment will be described below.
[First modification]
A learned model may be used when reading a code in response to at least one of primary authentication and secondary authentication. A trained model is constructed by inputting captured images of the code as learning data using different combinations of imaging conditions such as imaging angle, imaging distance, type of illumination, brightness, etc., and causing the learning device to learn. It may be something that has been done. By using such a trained model, it is possible to improve the accuracy of extracting codes from captured images. For example, the code reading unit 102 of the user terminal 100 may be provided with a code reading function using such a learned model.
Alternatively, the electronic value conversion server 200 may be provided with the code reading unit 102 including the above-mentioned trained model, and the user terminal 100 may be configured to transmit captured images to the electronic value conversion server 200.

[Second modification]
In the secondary authentication, the user terminal 100 may include the captured image obtained by capturing the code in the primary authentication request and the secondary authentication request transmitted to the electronic value conversion server 200. Such a captured image also includes the background around the code.
In this case, the secondary authentication unit 223 of the electronic value conversion server 200 performs the secondary authentication process, in addition to comparing the second code read with the second code stored in the medium information storage unit 232. The result of comparing the background of the captured image included in the next authentication request and the background of the captured image included in the secondary authentication request may also be used. If the degree of match between the background of the captured image included in the primary authentication request and the background of the captured image included in the secondary authentication request is high, the secondary authentication unit 223 reads the code for the first time and reads the second code. It may be determined that the code was read a second time at the same location, and may be used as information contributing to the establishment of authentication. On the other hand, if the degree of match between the background of the captured image included in the primary authentication request and the background of the captured image included in the secondary authentication request is low, the secondary authentication unit 223 It is determined that the reading of the code and the second reading of the code were performed at different locations. When such a determination is obtained, the secondary authentication unit 223 may, for example, increase the probability that fraud has been committed and then determine whether the authentication is successful or not. In this way, by using the background around the code in the captured image, it is possible to determine whether the secondary authentication is correct or not, taking into account the probability that fraud will occur, and it is possible to strengthen fraud prevention.

[Third modification]
For example, the electronic value conversion server 200 may store authentication history information indicating the history of authentication processing (primary authentication, secondary authentication) corresponding to each electronic value conversion process so far.

[Fourth modification]
The perforation pf in the value exchange medium CK shown in FIG. 2(A) is exemplified as being linear. In this modification, the perforation pf may have a plurality of uneven portions having a predetermined shape at a predetermined position. Then, after cutting along the perforation pf, when the predetermined convex part of one medium piece and the predetermined concave part of the other medium piece are engaged, the left code part CD21 and the right code part CD22 are correctly aligned. They may be combined to form the second code CD2. By forming the perforations PF in this manner, it becomes easier for the user U to form the second code CD2.

[Fifth modification]
The second code CD2 may be arranged on the value exchange medium CK in a state in which code parts divided into three or more are separated from each other. In this case, the second code CD2 is formed by separating the value exchange medium CK so that three or more medium pieces including the divided code portions are obtained.

[Sixth variation]
The value exchange medium CK may not be a physical medium, but may be displayed on a display provided at the site, for example. In this case, the user U uses the user terminal 100 to image the value exchange medium CK displayed on the display, read the first code CD1, separate the displayed value exchange medium CK, and move the separated medium piece. After performing an operation so that the second code CD2 is formed, the second code CD2 may be imaged and read by the user terminal 100.

[Seventh modification]
Note that the configuration of the device in the electronic value conversion system is not limited to the example of the above embodiment. In the embodiment described above, the electronic value conversion server 200 includes the user information storage section 231 to manage user information. On the other hand, for example, a user information server for managing users may be provided separately from the electronic value conversion server 200.
Further, for example, the electronic value conversion server 200 and the electronic value management server 300 may be integrated into one server.
Further, the predetermined information stored in the storage unit 203 of the electronic value conversion server 200 and the storage unit 203 of the electronic value management server 300 is stored in a data storage server or the like different from the electronic value conversion server 200 and the electronic value management server 300. It's fine.

Note that a program for realizing the functions of the user terminal 100, electronic value conversion server 200, electronic value management server 300, etc. described above is recorded on a computer-readable recording medium, and the program recorded on this recording medium is By loading and executing into a computer system, processing as the above-mentioned user terminal 100, electronic value conversion server 200, electronic value management server 300, etc. may be performed. Here, "reading a program recorded on a recording medium into a computer system and executing it" includes installing the program on the computer system. The "computer system" here includes hardware such as an OS and peripheral devices. Further, a "computer system" may include a plurality of computer devices connected via a network including the Internet, a WAN, a LAN, a communication line such as a dedicated line, etc. Furthermore, the term "computer-readable recording medium" refers to portable media such as flexible disks, magneto-optical disks, ROMs, and CD-ROMs, and storage devices such as HDDs and SSDs built into computer systems. In this way, the recording medium storing the program may be a non-transitory recording medium such as a CD-ROM. The recording medium also includes a recording medium provided internally or externally that can be accessed from the distribution server to distribute the program. The code of the program stored in the recording medium of the distribution server may be different from the code of the program in a format executable by the terminal device. That is, as long as it can be downloaded from the distribution server and installed in an executable form on the terminal device, the format in which it is stored on the distribution server does not matter. Note that the program may be divided into a plurality of parts, downloaded at different timings, and then combined on a terminal device, or the distribution servers that deliver each of the divided programs may be different. Furthermore, a ``computer-readable recording medium'' refers to a storage medium that retains a program for a certain period of time, such as volatile memory (RAM) inside a computer system that serves as a server or client when a program is transmitted via a network. This shall also include things. Moreover, the above-mentioned program may be for realizing a part of the above-mentioned functions. Furthermore, it may be a so-called difference file (difference program) that can realize the above-mentioned functions in combination with a program already recorded in the computer system.

<Additional notes>
(1) One aspect of the present embodiment is that the code is formed by combining a first code that is unique for each value exchange medium and a plurality of code parts that are divided and arranged in the value exchange medium, and a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium to which a second code that is unique and different from the first code is attached; a code acquisition unit that acquires a code attached to a medium; and a determination as to whether or not a first code that matches the code of the primary authentication target acquired by the code acquisition unit is stored in the medium information storage unit. Based on the result of the next match determination, the primary authentication unit that performs the primary authentication and the code for the secondary authentication acquired by the code acquisition unit after the primary authentication is established, Secondary authentication that performs secondary authentication based on the result of secondary matching determination as to whether or not the first code that is confirmed to be stored in the medium information storage unit matches a second code that is associated with the second code. and an electronic value conversion unit that assigns electronic value corresponding to the value exchange medium to the user in response to the establishment of the secondary authentication.

(2) One aspect of the present embodiment is the electronic value exchange system according to (1), wherein the value exchange medium is a physical medium to which the first code and the second code are attached. .

(3) One aspect of the present embodiment is the electronic value conversion system according to (2), in which in the value exchange medium, the second code is divided into two code parts, and the two code parts are , the virtual lines provided on the second code are spaced apart from each other due to the positional relationship that they do not lie on the same straight line.

(4) One aspect of the present embodiment is the electronic value conversion system described in (3), in which the secondary authentication confirms that the value exchange medium has been invalidated due to separation. It is something.

(5) One aspect of the present embodiment is the electronic value conversion system according to any one of (1) to (4), in which the code acquisition unit is configured such that the user terminal receives an optical value from the value exchange medium. Get the code read.

(6) One aspect of the present embodiment is the electronic value conversion system according to (5), in which the secondary authentication unit is configured to detect whether the code used for the secondary authentication is the code used in the primary authentication. If the code is read by the same user terminal that read the code, the secondary authentication is performed.

(7) One aspect of the present embodiment is the electronic value conversion system according to any one of (1) to (6), wherein the code acquired by the code acquisition unit is read by a user terminal. A time is assigned according to the timing, and the secondary authentication section is configured to receive a code when the code is acquired by the code acquisition section within a predetermined time from the time assigned to the code used for the primary authentication. The secondary authentication is performed.

(8) One aspect of the present embodiment is the electronic value conversion system according to any one of (1) to (7), in which an application that operates on a user terminal and includes a function of reading the code is a non-standard application. The electronic value conversion system further includes a processing interrupting unit that interrupts the processing that has been executed so far in response to the electronic value conversion system becoming active.

(9) One aspect of the present embodiment is the electronic value conversion system according to any one of (1) to (8), wherein the primary authentication section is stored in the medium information storage section. The primary matching determination is performed using a trained model that is trained by inputting images obtained by imaging the first code under different imaging conditions to a learning device.

(10) One aspect of the present embodiment is the electronic value conversion system according to any one of (1) to (9), wherein the secondary authentication section is stored in the medium information storage section. The secondary matching determination is performed using a learned model that is trained by inputting images obtained by capturing the second codes under different imaging conditions into a learning device.

(11) One aspect of the present embodiment is the electronic value conversion system according to any one of (1) to (10), in which the secondary authentication unit, in secondary authentication, An image of the background in the captured image including the code acquired by the code acquisition unit in response to the determination, and an image of the background in the captured image including the code acquired by the code acquisition unit in response to the current secondary match determination. Based on the comparison result, the result of whether or not the location where the code was imaged in response to the primary match determination matches the location where the code was imaged in response to the current secondary match determination is further determined. use

(12) One aspect of the present embodiment is an electronic value conversion method in an electronic value conversion system, wherein the electronic value conversion system includes a first code that is unique for each value exchange medium, and a first code that is divided in the value exchange medium. The first code for each value exchange medium is formed by combining a plurality of code parts arranged as follows, and is attached with a second code that is unique for each value exchange medium and is different from the first code. and the second code in association with each other, a code acquisition step for acquiring a code attached to the value exchange medium, and a code for the primary authentication object acquired in the code acquisition step. a primary authentication step of performing primary authentication based on the result of primary matching determination as to whether or not a matching first code is stored in the medium information storage unit; and after the primary authentication is established; The code for the secondary authentication acquired in the code acquisition step matches the second code associated with the first code confirmed to be stored in the medium information storage unit at the time of the primary authentication. a secondary authentication step of performing secondary authentication based on a result of a secondary match determination of whether or not the value is the same; and in response to the establishment of the secondary authentication, electronic value corresponding to the value exchange medium is associated with the user; This is an electronic value conversion method, comprising: an electronic value conversion step in which an electronic value is granted as an electronic value;

(13) One aspect of the present embodiment is that the code is formed by combining a first code that is unique for each value exchange medium and a plurality of code parts that are divided and arranged in the value exchange medium, and An electronic value comprising a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium to which a second code that is unique and different from the first code is attached. The electronic value conversion device in the conversion system includes a code acquisition unit that acquires a code attached to a value exchange medium, and a first code that matches the code of the primary authentication target acquired by the code acquisition unit, the medium A primary authentication unit performs primary authentication based on the result of the primary match determination as to whether or not the code is stored in the information storage unit, and the code acquired by the code acquisition unit after the primary authentication is established. Secondary matching determination of whether or not a code to be subjected to secondary authentication matches a second code associated with a first code confirmed to be stored in the medium information storage unit at the time of the primary authentication. a secondary authentication unit that performs secondary authentication based on the result of the secondary authentication; and an electronic device that assigns electronic value corresponding to the value exchange medium to the user in response to the completion of the secondary authentication. This is an electronic value conversion device including a value conversion section.

(14) One aspect of the present embodiment is that the value is formed by combining a first code that is unique for each value exchange medium and a plurality of code parts that are divided and arranged in the value exchange medium; An electronic value comprising a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium to which a second code that is unique and different from the first code is attached. A computer in the conversion system is configured to include a code acquisition unit that acquires a code attached to a value exchange medium, and a first code that matches the code of the primary authentication target acquired by the code acquisition unit and is stored in the medium information storage unit. a primary authentication unit that performs primary authentication based on the result of the primary match determination as to whether the , based on the result of the secondary matching determination as to whether or not the second code corresponds to the first code confirmed to be stored in the medium information storage unit at the time of the primary authentication. to function as a secondary authentication unit that performs authentication, and an electronic value conversion unit that assigns electronic value corresponding to the value exchange medium to the user in response to the establishment of the secondary authentication; It is a program.

Reference Signs List 100 user terminal, 101 communication unit, 102 code reading unit, 103 operation unit, 104 display unit, 105 control unit, 106 storage unit, 200 electronic value conversion server, 201 communication unit, 202 control unit, 203 storage unit, 221 code acquisition unit, 222 primary authentication unit, 223 secondary authentication unit, 224 electronic value conversion unit, 225 interruption processing unit, 231 user information storage unit, 232 medium information storage unit, 300 electronic value management server, 301 communication unit, 302 control unit , 303 storage section, 331 electronic value imparting information storage section

Claims (14)

A first code that is unique for each value exchange medium and a code that is formed by combining a plurality of code parts that are divided and arranged in the value exchange medium, and that is unique for each value exchange medium and that is different from the first code. a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium to which a different second code is attached;
a code acquisition unit that acquires a code attached to a value exchange medium;
Primary authentication is performed based on a result of a primary match determination as to whether or not a first code that matches the code for primary authentication acquired by the code acquisition unit is stored in the medium information storage unit. Primary authentication department,
The code for secondary authentication acquired by the code acquisition unit after the primary authentication is established corresponds to the first code confirmed to be stored in the medium information storage unit at the time of the primary authentication. a secondary authentication unit that performs secondary authentication based on the result of secondary matching determination as to whether or not the second code matches;
An electronic value conversion system, comprising: an electronic value conversion unit that assigns electronic value corresponding to the value exchange medium to a user in response to the establishment of the secondary authentication; The electronic value conversion system according to claim 1, wherein the value exchange medium is a physical medium attached with the first code and the second code. In the value exchange medium, the second code is divided into two code parts, and the two code parts are spaced apart from each other due to a positional relationship in which virtual lines provided on the second code do not lie on the same straight line. The electronic value conversion system according to claim 2. The electronic value conversion system according to claim 3, wherein the secondary authentication confirms that the value exchange medium has been invalidated by being separated. The electronic value conversion system according to any one of claims 1 to 4, wherein the code acquisition unit acquires a code optically read from the value exchange medium by a user terminal. The secondary authentication unit performs the secondary authentication when the code used for the secondary authentication is read by the same user terminal that read the code used in the primary authentication. The electronic value conversion system according to claim 5. The code acquired by the code acquisition unit is given a time according to the timing at which it was read by the user terminal,
The secondary authentication unit performs the secondary authentication when the code is acquired by the code acquisition unit within a predetermined time from the time when the code used for the primary authentication was assigned. The electronic value conversion system according to any one of the above. The electronic value conversion system further includes a processing interrupting unit that interrupts the processing that has been executed so far in response to an application that operates on a user terminal and includes a function of reading the code becoming inactive. The electronic value conversion system according to any one of Items 1 to 4. The primary authentication unit uses a learned model that is trained by inputting images obtained by capturing the first code stored in the medium information storage unit under different imaging conditions into a learning device. The electronic value conversion system according to any one of claims 1 to 4, wherein a primary match determination is performed. The secondary authentication unit uses a trained model that is trained by inputting images obtained by capturing the second code stored in the medium information storage unit under different imaging conditions into a learning device. The electronic value conversion system according to any one of claims 1 to 4, wherein a secondary match determination is performed. During the secondary authentication, the secondary authentication unit uses a background image in the captured image including the code acquired by the code acquisition unit in response to the primary match determination, and the background image in the captured image that includes the code acquired by the code acquisition unit in response to the primary match determination, and the Based on the result of comparing the background image in the captured image containing the code acquired by the code acquisition unit, the location where the code was imaged corresponding to the primary matching determination and the code corresponding to the current secondary matching determination are determined. The electronic value conversion system according to any one of claims 1 to 4, further using a result as to whether the image matches the location where the image was taken. An electronic value conversion method in an electronic value conversion system,
The electronic value conversion system is formed by combining a first code that is unique for each value exchange medium and a plurality of code parts that are divided and arranged in the value exchange medium, and is unique for each value exchange medium. a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium to which a second code different from the first code is attached;
a code acquisition step of acquiring a code attached to the value exchange medium;
Primary authentication is performed based on a result of a primary match determination as to whether or not a first code that matches the code for the primary authentication acquired in the code acquisition step is stored in the medium information storage unit. a primary authentication step;
The code for the secondary authentication acquired in the code acquisition step after the primary authentication is established corresponds to the first code confirmed to be stored in the medium information storage unit at the time of the primary authentication. a secondary authentication step of performing secondary authentication based on the result of secondary matching determination as to whether or not the second code matches;
An electronic value conversion method comprising: an electronic value conversion step in which electronic value corresponding to the value exchange medium is assigned to a user in response to the establishment of the secondary authentication. A first code that is unique for each value exchange medium and a code that is formed by combining a plurality of code parts that are divided and arranged in the value exchange medium, and that is unique for each value exchange medium and that is different from the first code. An electronic value conversion device in an electronic value conversion system comprising a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium attached with a different second code,
a code acquisition unit that acquires a code attached to a value exchange medium;
Primary authentication is performed based on a result of a primary match determination as to whether or not a first code that matches the code for primary authentication acquired by the code acquisition unit is stored in the medium information storage unit. Primary authentication department,
The code for secondary authentication acquired by the code acquisition unit after the primary authentication is established corresponds to the first code confirmed to be stored in the medium information storage unit at the time of the primary authentication. a secondary authentication unit that performs secondary authentication based on the result of secondary matching determination as to whether or not the second code matches;
An electronic value conversion unit that causes an electronic value corresponding to the value exchange medium to be assigned to a user in response to the establishment of the secondary authentication. A first code that is unique for each value exchange medium and a code that is formed by combining a plurality of code parts that are divided and arranged in the value exchange medium, and that is unique for each value exchange medium and that is different from the first code. A computer in an electronic value conversion system comprising a medium information storage unit that stores the first code and the second code in association with each other for each value exchange medium attached with a different second code,
a code acquisition unit that acquires a code attached to a value exchange medium;
Primary authentication is performed based on a result of a primary match determination as to whether or not a first code that matches the code for primary authentication acquired by the code acquisition unit is stored in the medium information storage unit. Primary authentication department,
The code for secondary authentication acquired by the code acquisition unit after the primary authentication is established corresponds to the first code confirmed to be stored in the medium information storage unit at the time of the primary authentication. a secondary authentication unit that performs secondary authentication based on the result of secondary matching determination as to whether or not the attached second code matches;
A program for functioning as an electronic value conversion unit that causes electronic value corresponding to the value exchange medium to be assigned to a user in response to the establishment of the secondary authentication.

Images