KR102231867B1 - System and method for verifying data in block-chain network - Google Patents

Abstract

In one embodiment, the first detailed protocol information to the N-th detailed protocol information are received from a first terminal device that generates and transmits the first detailed protocol information to the N-th detailed protocol information constituting the data creation protocol defined by the first company. And a first linkage device that generates first to Nth transaction data individually including first to Nth detailed rule information and transmits the generated first to Nth transaction data to the blockchain network; And a verification tool for verifying work-related data, which is data related to work between the second company and the first company, and the first detailed protocol after inquiring the first detailed protocol information or the N detailed protocol information in the blockchain network. After applying the information to the N-th detailed protocol information to the verification tool, and after receiving the work-related data from the second terminal device that generated the work-related data, the work-related data is transferred to the first detailed protocol information through the N-th A second linkage that verifies whether all the protocol information is met, and if the work-related data meets the first detailed protocol information or the N-th detailed protocol information, generates registration transaction data including work-related data and transmits it to the blockchain network. Provides a data verification system in a blockchain network including devices.

Description

Data verification system and method in blockchain network {SYSTEM AND METHOD FOR VERIFYING DATA IN BLOCK-CHAIN NETWORK}

This embodiment relates to a data verification system and method in a blockchain network.

With the development of information and communication technology, companies that computerize work-related data and process business with other companies are increasing.

Most of these companies build their own internal systems, and through the internal systems, they can handle business with other companies, namely, suppliers that supply products or services to them.

Here, the delivery company may register work-related data by accessing the internal system of the purchasing company that purchases their products or services.

At this time, the supplier must create business-related data in accordance with the data creation rules defined in the purchasing company's internal system, and register it in the purchasing company's internal system.

If the supplier company writes work-related data that does not meet the data preparation rules and registers it in the purchasing company's internal system, the person in charge of the purchasing company may not be able to check the work-related data.

Here, when the work-related data is electronic document data such as a contract document, an estimate, etc., the data creation rule may be a rule for the document writing standard defined by the purchasing company, and if the work-related data is data other than electronic document data, the data The writing rules may be rules for the data standard format defined by the purchasing company.

In the past, in order to share the above data creation rules with the supplying companies, the person in charge of the purchasing company documents the data creation rules and distributes them to the person in charge of the delivery company through e-mail, internal system, etc. A lot of time had to be spent sharing data writing protocols with these suppliers.

In addition, the supply company has to spend a lot of time on data verification because it has verified the error or integrity of the business-related data by looking at the documented data creation rules when creating business-related data, and there is a problem that the accuracy of data verification is poor. there was.

Against this background, the purpose of this embodiment is, in one aspect, to share data creation protocols within a short time using the characteristics of a blockchain network that shares data registered in one node with other nodes within a short time, and It is to provide a data verification system and method that performs verification of work-related data within a short period of time using data creation rules.

In order to achieve the above object, an embodiment is the first detailed protocol from a first terminal device that generates and transmits the first detailed protocol information or the N-th detailed protocol information constituting the data creation protocol defined by the first company. A first linkage device that receives information through N-th detailed protocol information, generates first to N-th transaction data individually including the first to N-th detailed protocol information, and transmits the first to N-th transaction data to the blockchain network; And a verification tool for verifying work-related data, which is work-related data between the second company and the first company, and after inquiring the first detailed rule information to the Nth detailed rule information in the blockchain network, the After applying the first detailed protocol information to the N-th detailed protocol information to the verification tool and receiving the work-related data from the second terminal device that generated the work-related data, the work-related data is converted using the verification tool. A registration transaction including the business-related data is verified if all of the first detailed protocol information to the N-th detailed protocol information are met, and if the business-related data meets all the first detailed protocol information to the N-th detailed protocol information It provides a data verification system in a blockchain network including a second linkage device that generates data and transmits it to the blockchain network.

The first linking device receives update information for any one of the first detailed protocol information to the N-th detailed protocol information from the first terminal device, generates update transaction data including the update information, and generates the It can be transmitted to the blockchain network.

The second linking device retrieves the update information from the blockchain network, and retrieves any one of the detailed protocol information related to the update information from among the first detailed protocol information to the N-th detailed protocol information applied to the verification tool. After confirmation, the verification tool may update any one of the detailed protocol information with the update information.

If the work-related data does not conform to one or more detailed protocol information among the first detailed protocol information to the N-th detailed protocol information, the second linking device sends a verification failure message including the one or more detailed protocol information to the second terminal device. Can be transmitted.

Another embodiment is a first transaction that generates first detailed rule information to Nth detailed rule information constituting the data creation rule defined by the first company, and individually includes the first detailed rule information to the Nth detailed rule information. A first terminal device for generating data to Nth transaction data and transmitting the data to the blockchain network; And a verification tool for verifying work-related data, which is work-related data between the second company and the first company, and after inquiring the first detailed rule information to the Nth detailed rule information in the blockchain network, the After applying the first detailed protocol information to the N-th detailed protocol information to the verification tool and generating the task-related data, the task-related data is converted to the first detailed protocol information to the N-th detailed protocol information using the verification tool. It verifies whether all of the business-related data meets the first detailed protocol information to the N-th detailed protocol information, generates registration transaction data including the business-related data and transmits it to the blockchain network. 2 Provides a data verification system in a blockchain network including terminal devices.

The first terminal device may generate update information for any one of the first detailed protocol information to the N-th detailed protocol information, generate update transaction data including the update information, and transmit it to the blockchain network. have.

The second terminal device receives and stores the update transaction data from the blockchain network, and if any one of the first to Nth transaction data stored in advance exists, the transaction data related to the update transaction data. After confirming the one of the detailed protocol information included in the one of the transaction data, the verification tool may update the one of the detailed protocol information with the update information included in the update transaction data.

If the work-related data does not conform to one or more detailed protocol information among the first detailed protocol information to the N-th detailed protocol information, the second terminal device may output a verification failure message including the one or more detailed protocol information on the screen. have.

In another embodiment, a protocol generation step of generating, in a first terminal device, first detailed protocol information to N-th detailed protocol information constituting a data creation rule defined by a first company; A protocol transmission step of transmitting, by the first terminal device, the first detailed protocol information to the N-th detailed protocol information to a first linking device; After the first connection device receives the first detailed protocol information through the N-th detailed protocol information, the first to Nth transaction data individually including the first detailed protocol information to the N-th detailed protocol information are generated, A network transmission step of transmitting to a blockchain network; A second linkage device equipped with a verification tool for verifying work-related data, which is work-related data between the second company and the first company, inquires the first detailed rule information to the Nth detailed rule information in the blockchain network. A protocol inquiry step; A rule applying step of applying the first detailed rule information to the Nth detailed rule information to the verification tool, by a second linking device; A data receiving step of generating the work-related data in a second terminal device and transmitting the data to the second linked device; A data verification step of verifying whether the business-related data conforms to all of the first detailed protocol information to the N-th detailed protocol information using the verification tool after the second linking device receives the task-related data; And when the work-related data conforms to all of the first detailed protocol information to the N-th detailed protocol information, the second linking device generates registration transaction data including the work-related data and transmits the data to the blockchain network. It provides a method of verifying data in a blockchain network including steps.

The data verification method in a blockchain network includes generating update information for any one of the first detailed protocol information to the N-th detailed protocol information in the first terminal device and transmitting it to the first linking device. step; Generating update transaction data including the update information after the first linking device receives the update information and transmitting it to the blockchain network; Inquiring, by the second linkage device, the update information in the blockchain network; Checking whether any of the detailed protocol information related to the update information exists among the first to N-th detailed protocol information applied to the verification tool; And if any one of the detailed protocol information exists, updating the one of the detailed protocol information with the update information in the verification tool.

In another embodiment, a protocol generation step of generating, in a first terminal device, first detailed protocol information to N-th detailed protocol information constituting a data creation rule defined by a first company; A network transmission step of generating, by the first terminal device, first to Nth transaction data individually including the first to Nth detailed protocol information and transmitting the data to a blockchain network; A second terminal device equipped with a verification tool for verifying work-related data, which is work-related data between the second company and the first company, inquires the first detailed protocol information to the N-th detailed protocol information in the blockchain network. A protocol inquiry step; A rule applying step of applying, by a second terminal device, the first detailed rule information to the Nth detailed rule information to the verification tool; A data verification step of verifying whether the business-related data conforms to all of the first detailed protocol information to the N-th detailed protocol information using the verification tool after the second terminal device generates the task-related data; And when the work-related data meets all of the first detailed protocol information to the N-th detailed protocol information, the second terminal device generates registration transaction data including the work-related data and transmits the data to the blockchain network. It provides a method of verifying data in a blockchain network including steps.

The data verification method in a blockchain network includes generating update information for any one of the first detailed protocol information to the N-th detailed protocol information in the first terminal device, and an update transaction including the update information. Generating data and transmitting it to the blockchain network; Inquiring, by the second terminal device, the update information in the blockchain network; Checking whether any of the detailed protocol information related to the update information exists among the first to N-th detailed protocol information applied to the verification tool; And if any one of the detailed protocol information exists, updating the one of the detailed protocol information with the update information in the verification tool.

As described above, according to this embodiment, the data creation protocol defined by the first company is short-time through a data verification system using the characteristics of a blockchain network that shares data registered in one node with other nodes within a short time. It can be shared with other companies within, and verification can be completed in a short time because other companies perform verification of work-related data through verification tools using the data creation protocol shared through the blockchain network.

1 is a configuration diagram of a data verification system according to an embodiment.
2 is a flowchart illustrating a process of transmitting a data creation protocol to a blockchain network by a first linkage device according to an embodiment.
3 is a flowchart illustrating a process of using a data creation protocol by a second linkage device according to an embodiment.
4 is a block diagram of a data verification system according to another embodiment.
5 is a flowchart illustrating a process of transmitting a data creation protocol to a blockchain network by a first terminal device according to another embodiment.
6 is a flowchart illustrating a process of using a data creation protocol by a second terminal device according to another embodiment.
7 and 8 are diagrams illustrating transaction data stored in a ledger storage according to an exemplary embodiment and another exemplary embodiment.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible, even if they are indicated on different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

In addition, in describing the constituent elements of the present invention, terms such as first, second, A, B, (a) and (b) may be used. These terms are only for distinguishing the component from other components, and the nature, order, or order of the component is not limited by the term. When a component is described as being "connected", "coupled" or "connected" to another component, the component may be directly connected or connected to that other component, but another component between each component It should be understood that elements may be “connected”, “coupled” or “connected”.

1 is a configuration diagram of a data verification system according to an embodiment.

Referring to FIG. 1, the data verification system 100 includes a first terminal device 110, a first linking device 115, a second terminal device 120 to an Nth terminal device 140, and a second linking device ( 125) to the Nth linkage device 145 and a block chain network 150.

The first terminal device 110 generates first detailed rule information or Nth detailed rule information constituting the data creation rule defined by the first company, and provides the first detailed rule information to the first linking device 115 to be described later. Transmit Nth detailed protocol information.

Specifically, the first terminal device 110 may be a terminal device of an internal system manager who manages business data related to the first company through a data creation rule defined by the first company.

The data creation rule may be a document data creation rule for electronic document data applied by the first company's internal system, a rule about a data format that can be registered in the first company's internal system, and the like.

When the data creation rule is a document data creation rule, the first detailed rule information to the Nth detailed rule information is the rule information on the unit elements constituting the electronic document data (e.g., input data type for each electronic document item, electronic The input data size for each document item, a configuration standard for each header part of the electronic document data shown in FIGS. 7 and 8, a configuration standard for each body part, a configuration standard for each tail part, etc.).

When the data creation rule is a rule for a data format, the first detailed rule information to the Nth detailed rule information may be a data file extension type, a file compression method, a file encoding method, etc. that can be registered in the internal system of the first company.

It goes without saying that these data creation rules can be applied in various ways depending on the internal situation of the company.

The first terminal device 110 receives the first detailed protocol information to the N-th detailed protocol information constituting the above-described data creation protocol from the internal system manager, and receives the first detailed protocol information to the N-th detailed protocol information. It may be generated and transmitted to the first linked device 115.

In addition, the first terminal device 110 may transmit update information on one of the first detailed protocol information to the N-th detailed protocol information to the first linking device 115.

In other words, each of the first detailed rule information to the Nth detailed rule information constituting the data creation rule defined by the first company may be partially or entirely changed according to the internal situation of the first company, and the first terminal device The 110 may generate update information by receiving partial contents of any one of the detailed protocol information or changes to the whole contents from a system manager. Here, the update information may be any one detailed protocol information in which some or all contents have been changed.

The first terminal device 110 may be a desktop computer, a notebook computer, an internal system server, or the like.

The first linking device 115 receives the first detailed protocol information to the N-th detailed protocol information from the first terminal device 110, and the first transaction data individually including the first detailed protocol information to the N-th detailed protocol information To Nth transaction data is generated and transmitted to the blockchain network 150 to be described later.

In other words, the first linkage device 115 sequentially processes the first transaction data including the first detailed protocol information, the second transaction data including the second detailed protocol information, and the third transaction data including the third detailed protocol information. It can be created and transmitted to the blockchain network 150.

Here, each of the first transaction data to the Nth transaction data individually includes the first detailed protocol information to the Nth detailed protocol information, as well as the creation time information of the transaction data, the transaction ID (TXID) for the corresponding transaction data, etc. It may further include.

Meanwhile, when the first terminal device 110 generates update information for any one of the detailed protocol information, the first linking device 115 receives the update information from the first terminal device 110 and includes the update information. Update transaction data may be generated and transmitted to the blockchain network 150.

The first linking device 115 may be an off-chain server linking the first terminal device 110 and the block chain network 150.

The second terminal device 120 to the N-th terminal device 140 may be a terminal device of a second company to an Nth company that transacts with the first company, and data related to the work between the first company and the corresponding company. Data can be generated and transmitted to the associated device. Here, the work-related data may be in the form of electronic document data or may be in the form of a general data file such as an image file, a video file, a word file, an HTML file, or an XML file.

In addition, the second terminal device 120 to the Nth terminal device 140 may query data related to work between another company and the first company.

For example, the second terminal device 120 may generate work-related data, which is work-related data between a first company and a second company, and transmit the data to the second linkage device 125.

In addition, the third terminal device 130 may inquire work-related data between the first company and the second company through the third linkage device 135.

The second terminal device 120 to the Nth terminal device 140 may be a desktop computer, a laptop computer, etc. installed in the second to Nth companies.

The second linking device 125 links the second terminal device 120 and the blockchain network 150.

In an embodiment, the second linkage device 125 may include a verification tool for verifying work-related data between the second company and the first company. Here, the verification tool may mean software capable of verifying the error or integrity of work-related data.

In addition, the block chain network 150 may query the first detailed protocol information to the N-th detailed protocol information.

In other words, when the blockchain network 150 receives and stores the first transaction data to the Nth transaction data from the first linkage device 115, other linkage devices including the second linkage device 125 inquire this. .

The second linking device 125 inquiring the first detailed protocol information to the N-th detailed protocol information applies the first detailed protocol information to the N-th detailed protocol information to the verification tool, that is, the first detailed protocol information to the N-th detailed protocol The information can be used as the verification criteria information of the verification tool. Here, the second linkage device 125 receives and stores the first detailed protocol information to the N-th detailed protocol information inquired from the blockchain network 150 from the blockchain network 150, and then stores the first detailed protocol information to the first detailed protocol information. N Detailed protocol information can be applied to the verification tool.

After applying the first detailed protocol information to the N-th detailed protocol information to the verification tool as above, the second linking device 125 receives work-related data from the second terminal device 120, and uses the verification tool to Data can be verified.

In more detail, the second linking device 125 verifies whether the work-related data conforms to all of the first detailed protocol information to the N-th detailed protocol information using a verification tool.

When the work-related data meets all of the first detailed protocol information to the N-th detailed protocol information, the second linking device 125 may generate registration transaction data including work-related data and transmit it to the blockchain network 150.

For example, when the work-related data is electronic document data and the data writing rule is the document data writing rule as shown in FIG. 7, the second linking device 125 includes a data header, a data body, and a data tail included in the work-related data. It is verified that each part of the document conforms to the detailed protocol information a to the detailed protocol information k, which is the detailed protocol information constituting the document data creation rule, and if the work-related data meets all the detailed protocol information a to the detailed protocol information k, the task Registered transaction data including related data may be generated and transmitted to the blockchain network 150.

Here, the registration transaction data may further include information on generation time of registration transaction data, a transaction ID for registration transaction data, etc. in addition to work-related data.

On the other hand, if the work-related data does not conform to one or more detailed protocol information among the first detailed protocol information to the N-th detailed protocol information, the second linking device 125 generates a verification failure message including one or more detailed protocol information, 2 Can be transmitted to the terminal device 120.

As described above, the second connection device 125 applies the first detailed protocol information to the N-th detailed protocol information to the verification tool, and repeats the process of verifying the work-related data of the second company and transmitting it to the blockchain network 150. During the execution, when update transaction data including update information for any one of the detailed protocol information is received from the blockchain network 150, the second linking device 125 can query the update information from the blockchain network 150. In addition, it is possible to check whether any of the detailed protocol information related to the update information exists among the first detailed protocol information to the N-th detailed protocol information applied to the verification tool.

If any of the detailed protocol information that is related to the update information among the first detailed protocol information to the N-th detailed protocol information applied to the verification tool exists, the second linking device 125 provides any of the detailed protocol information in the verification tool. Can be updated with update information.

For example, in a state in which detailed protocol information a to detailed rule information k included in the rule ledger data stored in the blockchain network 150 is being applied by the verification tool of the second linking device 125, as shown in FIG. 2 The linkage device 125 may inquire update information (marked with a square dotted line) as shown in FIG. 8 from the blockchain network 150. Here, the second linkage device 125 may check whether update information exists in the protocol ledger data by inquiring the rule ledger data of the blockchain network 150 at regular intervals.

In the second linkage device 125, at least one of the detailed protocol name and detailed protocol contents of detailed protocol information a to detailed protocol information k individually included in the protocol ledger data matches the detailed protocol name and detailed protocol content of the update information, or It can be confirmed that similar detailed protocol information a exists, and through the creation time information of the transaction data, it is also possible to confirm that the updated transaction data including the update information is the latest transaction data compared to the first transaction data including the detailed protocol information a. .

In this case, the second linkage device 125 may update detailed protocol information a applied to the verification tool with update information. Here, the second linkage device 125 may update detailed protocol information a applied to the verification tool as the update information after receiving and storing the update information in the blockchain network 150.

The second linkage device 125 performing the above function may be an off-chain server linking the second terminal device 120 and the blockchain network.

Blockchain network 150 may include a number of nodes. A plurality of nodes may perform data communication with each other through a communication network such as an Internet communication network or a local area network (LAN).

In addition, one or more of the plurality of nodes may perform data communication for processing a transaction with the first linking device 115 or data communication for processing a transaction with the second linking device 125 through a communication network. .

Here, a node may mean an entity for communication in a blockchain, and may be a unit divided into logical functions.

These nodes can be divided into client nodes, peer nodes, and ordering service nodes, and peer nodes are Ehndorsing Peers, Committing Peers, Anchor Peers, and Leading Peers. Leading Peer).

In other words, the blockchain network 150 may include one or more client nodes, one or more peer nodes, and one or more ordering service nodes. Here, each of the plurality of nodes stores the first to Nth transaction data, update transaction data, and registration transaction data transmitted from the second linkage device 125 in one storage. I can.

In addition, each of the plurality of nodes has 1 transaction data to Nth transaction data individually including the first detailed protocol information to the Nth detailed protocol information, and the update transaction data including update information for any one of the detailed protocol information is the first ledger. It is stored in the storage, and registration transaction data including work-related data may be stored in a second ledger storage separate from the first ledger storage.

The blockchain network 150 stores the first transaction data to the Nth transaction data and the update transaction data received from the first linkage device 115 in the ledger storage, and the first detailed protocol information to the Nth stored in the ledger storage. When one or more of the second linking device 125 to the Nth linking device 145 requests an inquiry of detailed protocol information, it may be provided.

In addition, the blockchain network 150 stores the registration transaction data received from the second linkage device 125 in the ledger storage, and queries the work-related data stored in the ledger storage with the first linkage device 115 and the third linkage. If requested by one or more of the device 135 to the N-th linking device 145, it may be provided.

Hereinafter, a process of verifying data using a data creation rule in a data verification system according to an exemplary embodiment will be described.

2 is a flowchart illustrating a process of transmitting a data creation protocol to a blockchain network by a first linkage device according to an embodiment.

Referring to FIG. 2, the first terminal device 110 generates a data creation rule by receiving contents of first detailed rule information or Nth detailed rule information constituting the data creation rule from the person in charge of the internal system management. 1 Detailed protocol information through N-th detailed protocol information are generated and transmitted to the first linking device 115 (S205 and S210).

The first linking device 115 receiving the first detailed protocol information through the N-th detailed protocol information from the first terminal device 110 includes the first transaction data individually including the first detailed protocol information to the N-th detailed protocol information. The Nth transaction data is generated and transmitted to the blockchain network 150 (S215 and S220). Here, each of the first transaction data to the Nth transaction data individually includes the first detailed protocol information to the Nth detailed protocol information, as well as the creation time information of the transaction data, the transaction ID (TXID) for the corresponding transaction data, etc. It may further include.

The blockchain network 150 receiving the first to Nth transaction data from the first linkage device 115 stores the first to Nth transaction data in the ledger storage (S225). Here, the blockchain network 150 may store first to Nth transaction data in the order of generation time of transaction data.

3 is a flowchart illustrating a process of receiving and using a data creation protocol by a second linked device according to an embodiment.

Referring to FIG. 3, the second linkage device 125 inquires the ledger storage of the blockchain network 150, that is, the first detailed protocol information to the N-th detailed protocol information stored in the ledger storage (S230). ). Here, the second linkage device 125 may receive and store the first detailed protocol information to the Nth detailed protocol information from the blockchain network 150.

The second linkage device 125 that inquired the first detailed protocol information to the N-th detailed protocol information in the blockchain network 150 applies the first detailed protocol information to the N-th detailed protocol information to the verification tool, that is, the first detailed protocol information. The protocol information to the N-th detailed protocol information may be used as verification reference information of the verification tool (S235). Here, the verification tool may mean software capable of verifying the error or integrity of work-related data.

As described above, after applying the first detailed protocol information to the N-th detailed protocol information to the verification tool by the second linking device 125, the second terminal device 120 generates work-related data to the second linking device 125. Can be transmitted (S240, S245).

After receiving the work-related data, the second linking device 125 verifies whether the work-related data conforms to all of the first detailed protocol information to the N-th detailed protocol information using a verification tool (S250).

If the work-related data does not conform to one or more detailed protocol information among the first detailed protocol information to the N-th detailed protocol information, the second linking device 125 generates a verification failure message including one or more detailed protocol information to the second terminal. It can be transmitted to the device 120 (S255, S260).

On the other hand, if the work-related data meets all of the first detailed protocol information to the N-th detailed protocol information, the second linkage device 125 may generate registration transaction data including work-related data and transmit it to the blockchain network 150. Yes (S265, S270). Here, the registration transaction data may further include information on generation time of registration transaction data, a transaction ID for registration transaction data, etc. in addition to work-related data.

Blockchain network 150 receives the registration transaction data and stores it in the ledger storage (S275). Here, the blockchain network 150 stores the first to Nth transaction data and registration transaction data in one ledger storage, or stores the first to Nth transaction data and registration transaction data in different ledger storage. I can.

After the step S275, if the first terminal device 110 generates update information for any one of the first detailed rule information to the Nth detailed rule information and transmits it to the first linking device 115, the first terminal device 110 1 The linkage device 115 may generate update transaction data including update information and transmit it to the blockchain network 150.

In addition, the second linkage device 125 retrieves the update information from the blockchain network 150, and then selects any one of the first detailed protocol information to the Nth detailed protocol information that is applied to the verification tool that is related to the update information. You can check whether the information exists.

If any one of the detailed protocol information exists, the second linking device 125 may update any one of the detailed protocol information with the update information in the verification tool.

Hereinafter, another embodiment in which a terminal device performs a function of an associated device according to an embodiment will be described.

4 is a block diagram of a data verification system according to another embodiment.

Referring to FIG. 4, the data verification system 400 may include a first terminal device 410, a second terminal device 420 to an Nth terminal device 440, and a blockchain network 450.

The first terminal device 410 may be a terminal device of an internal system manager who manages business data related to the first company through a data creation rule defined by the first company.

The first terminal device 410 generates first detailed rule information to Nth detailed rule information constituting the data creation rule defined by the first company.

Here, the data creation rule may be a document data creation rule for electronic document data applied by the first company's internal system, a rule about a data format that can be registered in the first company's internal system, and the like.

When the data creation rule is a document data creation rule, the first detailed rule information to the Nth detailed rule information is the rule information on the unit elements constituting the electronic document data (e.g., input data type for each electronic document item, electronic The input data size for each document item, a configuration standard for each header part of the electronic document data shown in FIGS. 7 and 8, a configuration standard for each body part, a configuration standard for each tail part, etc.).

When the data creation rule is a rule for a data format, the first detailed rule information to the Nth detailed rule information may be a data file extension type, a file compression method, a file encoding method, etc. that can be registered in the internal system of the first company.

It goes without saying that these data creation rules can be applied in various ways depending on the internal situation of the company.

The first terminal device 410 receives the first detailed protocol information to the N-th detailed protocol information constituting the above-described data creation protocol from the internal system manager, and then receives the first detailed protocol information to the N-th detailed protocol information. Can be generated.

In addition, the first terminal device 410 generates first to Nth transaction data individually including first to Nth detailed protocol information and transmits it to the blockchain network 450 to be described later.

In other words, the first terminal device 410 sequentially processes the first transaction data including the first detailed protocol information, the second transaction data including the second detailed protocol information, and the third transaction data including the third detailed protocol information. It can be created and transmitted to the blockchain network.

Here, each of the first transaction data to the Nth transaction data individually includes the first detailed protocol information to the Nth detailed protocol information, as well as the creation time information of the transaction data, the transaction ID (TXID) for the corresponding transaction data, etc. It may further include.

Meanwhile, the first terminal device 110 may generate update information for detailed protocol information from among the first detailed protocol information to the N-th detailed protocol information.

In other words, each of the first detailed rule information to the Nth detailed rule information constituting the data creation rule defined by the first company may be partially or entirely changed according to the internal situation of the first company, and the first terminal device The 410 may generate update information by receiving partial contents of any one of the detailed protocol information or changes to the whole contents from a system manager. Here, the update information may be any one detailed protocol information in which some or all contents have been changed.

The first terminal device 410 generating the update information as described above may generate update transaction data including the update information and transmit it to the blockchain network 450.

The second terminal device 420 to the N-th terminal device 440 may be a terminal device of a second company to an Nth company that transacts with the first company, and data related to the work between the first company and the corresponding company Data can be generated and transmitted to the blockchain network 450. Here, the work-related data may be in the form of electronic document data or may be in the form of a general data file such as an image file, a video file, a word file, an HTML file, or an XML file.

In addition, the second terminal device 420 to the Nth terminal device 440 may query data related to work between another company and the first company.

For example, the second terminal device 420 may generate work-related data, which is work-related data between a first company and a second company, and transmit it to the blockchain network 450.

In addition, the third terminal device 430 may query data related to work between the first company and the second company in the blockchain network 450.

Hereinafter, a configuration in which the second terminal device 420 verifies work-related data will be described in detail.

First, the second terminal device 420 may include a verification tool for verifying work-related data between the second company and the first company. Here, the verification tool may mean software capable of verifying the error or integrity of work-related data.

In addition, the second terminal device 420 may query the first detailed protocol information to the N-th detailed protocol information in the blockchain network 450.

In other words, when the blockchain network 150 receives and stores the first transaction data to the Nth transaction data from the first linkage device 115, other terminal devices including the second terminal device 420 inquire it. .

The second terminal device 420 inquiring for the first detailed protocol information to the N-th detailed protocol information applies the first detailed protocol information to the N-th detailed protocol information to the verification tool, that is, the first detailed protocol information to the N-th detailed protocol The information can be used as the verification criteria information of the verification tool. Here, the second linkage device 420 receives and stores the first detailed protocol information to the Nth detailed protocol information inquired from the blockchain network 450 from the blockchain network 450, and then stores the first detailed protocol information to the first detailed protocol information. N Detailed protocol information can be applied to the verification tool.

After applying the first detailed protocol information to the N-th detailed protocol information to the verification tool as described above, the second terminal device 420 may generate work-related data and verify the work-related data using the verification tool.

In more detail, the second terminal device 420 verifies whether the work-related data conforms to all of the first detailed protocol information to the N-th detailed protocol information using a verification tool.

If the work-related data meets all of the first detailed protocol information to the N-th detailed protocol information, the second terminal device 420 may generate registration transaction data including the work-related data and transmit it to the blockchain network 450.

For example, when the work-related data is electronic document data and the data writing rule is the document data writing rule as shown in FIG. 7, the second terminal device 420 may include a data header, a data body, and a data tail included in the work-related data. It is verified that each part of the document conforms to the detailed protocol information a to the detailed protocol information k, which is the detailed protocol information constituting the document data creation rule, and if the work-related data meets all the detailed protocol information a to the detailed protocol information k, the task Registered transaction data including related data may be generated and transmitted to the blockchain network 450.

Here, the registration transaction data may further include information on generation time of registration transaction data, a transaction ID for registration transaction data, etc. in addition to work-related data.

On the other hand, if the work-related data does not conform to one or more detailed protocol information among the first detailed protocol information to the N-th detailed protocol information, the second terminal device 420 generates a verification failure message including one or more detailed protocol information, This can be displayed on the screen.

As described above, the second terminal device 420 applies the first detailed protocol information to the N-th detailed protocol information to the verification tool, and repeats the process of verifying the work-related data of the second company and transmitting it to the blockchain network 450. During execution, when update transaction data including update information for any one of the detailed protocol information is received from the blockchain network 450, the second terminal device 420 can query the update information from the blockchain network 450. In addition, it is possible to check whether any of the detailed protocol information related to the update information exists among the first detailed protocol information to the N-th detailed protocol information applied to the verification tool.

If any one of the detailed protocol information that is related to the update information among the first detailed protocol information to the N-th detailed protocol information applied to the verification tool exists, the second terminal device 420 determines any one of the detailed protocol information in the verification tool. Can be updated with update information.

For example, in a state in which detailed protocol information a to detailed protocol information k included in the protocol ledger data stored in the blockchain network 450 is being applied by the verification tool of the second terminal device 420, as shown in FIG. 2 The terminal device 420 may inquire update information (marked with a square dotted line) as shown in FIG. 8 from the blockchain network 450. Here, the second terminal device 420 may check whether update information exists in the protocol ledger data by inquiring the rule ledger data of the blockchain network 450 at regular intervals.

In the second terminal device 420, at least one of the detailed protocol name and detailed protocol content of detailed protocol information a to detailed protocol information k individually included in the protocol ledger data matches the detailed protocol name and detailed protocol content of the update information, or It can be confirmed that similar detailed protocol information a exists, and through the creation time information of the transaction data, it is also possible to confirm that the updated transaction data including the update information is the latest transaction data compared to the first transaction data including the detailed protocol information a. .

In this case, the second terminal device 420 may update detailed protocol information a applied to the verification tool with update information. Here, the second terminal device 420 may update detailed protocol information a applied to the verification tool as the update information after receiving and storing the update information in the blockchain network 450.

Blockchain network 450 may include a number of nodes. A plurality of nodes may perform data communication with each other through a communication network such as an Internet communication network or a local area network (LAN).

In addition, one or more of the plurality of nodes may perform data communication for processing a transaction with the first terminal device 410 or data communication for processing a transaction with the second terminal device 420 through a communication network. .

Here, a node may mean an entity for communication in a blockchain, and may be a unit divided into logical functions.

These nodes can be divided into client nodes, peer nodes, and ordering service nodes, and peer nodes are Ehndorsing Peers, Committing Peers, Anchor Peers, and Leading Peers. Leading Peer).

In other words, the blockchain network 450 may include one or more client nodes, one or more peer nodes, and one or more ordering service nodes. Here, each of the plurality of nodes stores the first to Nth transaction data, update transaction data, and registration transaction data transmitted from the second terminal device 420 in one storage. I can.

In addition, each of the plurality of nodes has 1 transaction data to Nth transaction data individually including the first detailed protocol information to the Nth detailed protocol information, and the update transaction data including update information for any one of the detailed protocol information is the first ledger. It is stored in the storage, and registration transaction data including work-related data may be stored in a second ledger storage separate from the first ledger storage.

The blockchain network 450 stores the first to Nth transaction data and update transaction data received from the first terminal device 410 in the ledger storage, and the first detailed protocol information to the Nth stored in the ledger storage. When one or more of the second terminal device 420 to the Nth terminal device 440 requests the inquiry of detailed protocol information, it may be provided.

In addition, the blockchain network 450 stores the registration transaction data received from the second terminal device 420 in the ledger storage, and searches for work-related data stored in the ledger storage as the first terminal device 410 and the third terminal. If requested by at least one of the device 430 to the Nth terminal device 440, it may be provided.

Hereinafter, a process of verifying data using a data creation rule in a data verification system according to another embodiment will be described.

5 is a flowchart illustrating a process of transmitting a data creation protocol to a blockchain network by a first terminal device according to another embodiment.

Referring to FIG. 5, the first terminal device 410 generates a data creation rule by receiving the first detailed rule information or the Nth detailed rule information constituting the data creation rule from the person in charge of the internal system management. 1 Detailed protocol information to N-th detailed protocol information are generated (S505).

In addition, the first terminal device 410 generates the first transaction data to the Nth transaction data individually including the first detailed protocol information to the Nth detailed protocol information and transmits the generated first to the Nth transaction data to the blockchain network 450 (S510, S515). . Here, each of the first transaction data to the Nth transaction data individually includes the first detailed protocol information to the Nth detailed protocol information, as well as the creation time information of the transaction data, the transaction ID (TXID) for the corresponding transaction data, etc. It may further include.

The blockchain network 450 receiving the first to Nth transaction data from the first terminal device 410 stores the first to Nth transaction data in the ledger storage (S520). Here, the blockchain network 450 may store first to Nth transaction data in the order of generation time of transaction data.

6 is a flowchart illustrating a process of receiving and using a data creation protocol by a second terminal device according to another embodiment.

6, the second terminal device 420 inquires the ledger storage of the blockchain network 450, that is, the first detailed protocol information to the N-th detailed protocol information stored in the ledger storage (S525). ). Here, the second terminal device 420 may receive and store the first detailed protocol information to the N-th detailed protocol information from the blockchain network 450.

The second terminal device 420 that inquired for the first detailed protocol information to the N-th detailed protocol information in the blockchain network 450 applies the first detailed protocol information to the N-th detailed protocol information to the verification tool, that is, the first detailed protocol information. The protocol information to the N-th detailed protocol information may be used as verification reference information of the verification tool (S530). Here, the verification tool may mean software capable of verifying the error or integrity of work-related data.

After applying the first detailed protocol information to the N-th detailed protocol information to the verification tool as described above, the second terminal device 420 may generate work-related data (S535).

Then, the second terminal device 420 verifies whether the work-related data conforms to all of the first detailed protocol information to the N-th detailed protocol information using the verification tool (S540).

If the work-related data does not conform to one or more detailed protocol information among the first detailed protocol information to the N-th detailed protocol information, the second terminal device 420 generates a verification failure message including one or more detailed protocol information on the screen. Can be output (S545, S550).

On the other hand, if the work-related data meets all of the first detailed protocol information to the N-th detailed protocol information, the second terminal device 420 may generate registration transaction data including work-related data and transmit it to the blockchain network 450. Yes (S555). Here, the registration transaction data may further include information on generation time of registration transaction data, a transaction ID for registration transaction data, etc. in addition to work-related data.

Blockchain network 450 receives the registration transaction data and stores it in the ledger storage (S560). Here, the blockchain network 450 stores the first transaction data through the Nth transaction data and the registration transaction data in one ledger storage or the first through the Nth transaction data and the registration transaction data in different ledger storage. I can.

After the step S560, the first terminal device 110 generates update information for any one of the first detailed protocol information to the N-th detailed protocol information, and generates update transaction data including the update information to block It can be transmitted to the chain network 450.

In addition, the second terminal device 420 retrieves the update information from the blockchain network 450, and then selects any one of the first detailed protocol information to the Nth detailed protocol information applied to the verification tool that is related to the update information. You can check whether the information exists.

If any one of the detailed protocol information exists, the second terminal device 420 may update any one of the detailed protocol information with the update information in the verification tool.

As described above, according to this embodiment, the data creation protocol defined by the first company is short-time through a data verification system using the characteristics of a blockchain network that shares data registered in one node with other nodes within a short time. It can be shared with other companies within, and verification can be completed in a short time because other companies perform verification of work-related data through verification tools using the data creation protocol shared through the blockchain network.

The terms such as "include", "consist of" or "have" described above mean that the corresponding component may be embedded, unless otherwise specified, and thus other components are not excluded. It should be construed as being able to further include other components. All terms, including technical or scientific terms, unless otherwise defined, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms generally used, such as terms defined in the dictionary, should be interpreted as being consistent with the meaning in the context of the related technology, and are not interpreted as ideal or excessively formal meanings unless explicitly defined in the present invention.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

Claims (12)

Receives the first detailed rule information to the Nth detailed rule information from a first terminal device that generates and transmits the first detailed rule information to the Nth detailed rule information constituting the data creation rule defined by the first company, and the A first linkage device that generates first to Nth transaction data individually including 1 detailed rule information to N th detailed rule information and transmits it to the blockchain network; And
A verification tool for verifying work-related data, which is work-related data between the second company and the first company, is provided, and after inquiring the first detailed rule information to the Nth detailed rule information in the blockchain network, the first 1 Apply the detailed protocol information to the N-th detailed protocol information to the verification tool, and after receiving the work-related data from a second terminal device, which is a terminal device of the second company, that generates the work-related data, the verification tool is used. It is verified whether the work-related data meets all of the first detailed rule information to the Nth detailed rule information, and if the work-related data meets all of the first detailed rule information to the Nth detailed rule information, the Including a second linkage device that generates registration transaction data including work-related data and transmits it to the blockchain network,
The data creation rule includes a document data creation rule for electronic document data applied in the internal system of the first company and a rule for a data format that can be registered in the internal system of the first company,
The work-related data includes at least one of electronic document data, image files, video files, and word files,
If the work-related data does not correspond to one or more detailed protocol information among the first detailed protocol information to the N-th detailed protocol information, the second linking device sends a verification failure message including the one or more detailed protocol information to the second terminal. Data verification system in the blockchain network that is transmitted to the device. The method of claim 1,
The first linking device receives update information on any one of the first detailed protocol information to the N-th detailed protocol information from the first terminal device, and generates update transaction data including the update information. A data verification system in a blockchain network that transmits to the blockchain network. The method of claim 2,
The second linkage device retrieves the update information from the blockchain network, and any one of the detailed protocol information related to the update information from among the first detailed protocol information to the N-th detailed protocol information applied to the verification tool. A data verification system in a blockchain network in which the verification tool updates any one of the detailed protocol information with the update information after confirming. delete The first to Nth transaction data, which individually includes the first detailed protocol information to the N-th detailed protocol information, and individually including the first detailed protocol information to the N-th detailed protocol information, which constitute the data creation rule defined by the first company. A first terminal device that generates data and transmits it to a blockchain network; And
A terminal device of a second company, comprising a verification tool for verifying work-related data, which is work-related data between the second company and the first company, and the first detailed protocol information to the N-th in the blockchain network. After retrieving detailed protocol information, the first detailed protocol information to the N-th detailed protocol information are applied to the verification tool, and after generating the task-related data, the task-related data is converted to the first detailed protocol by using the verification tool. It verifies whether the protocol information to the N-th detailed protocol information is satisfied, and if the business-related data meets all of the first detailed protocol information to the N-th detailed protocol information, registration transaction data including the business-related data is generated. Including a second terminal device for transmitting to the blockchain network,
The data creation rule includes a document data creation rule for electronic document data applied in the internal system of the first company and a rule for a data format that can be registered in the internal system of the first company,
The work-related data includes at least one of electronic document data, image files, video files, and word files,
If the work-related data does not conform to one or more detailed protocol information among the first detailed protocol information to the N-th detailed protocol information, the second terminal device outputs a verification failure message including the one or more detailed protocol information on the screen. Data verification system in a blockchain network. The method of claim 5,
The first terminal device generates update information for any one of the first detailed protocol information to the N-th detailed protocol information, generates update transaction data including the update information, and transmits it to the blockchain network. Data verification system in a blockchain network. The method of claim 6,
The second terminal device retrieves the update information from the block chain network, and is one of the detailed protocol information associated with the update information from among the first detailed protocol information to the N-th detailed protocol information applied to the verification tool. A data verification system in a blockchain network in which the verification tool updates any one of the detailed protocol information with the update information after confirming. delete delete delete delete delete

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