TW202044139A - Academic experience data preservation method using blockchain and system thereof store academic experience fata to the blockchain corresponding to the system so as to effectively prevent data from losing or being manipulated host - Google Patents

Abstract

A blockchain system for preserving academic experience data includes multiple computer hosts connected to each other via a communication network. The computer hosts include multiple general purpose computer hosts, a first audit computer host, a second audit computer host, and a target computer host. A first general purpose computer host in the general purpose computer hosts generates and transmits a first newly added employee data containing the academic experience data to the first audit computer host. The first audit computer host is configured to determine whether receiving a first confirmation command indicating that the academic experience data is correct. While determining the receiving of the first confirmation command, the first audit computer host transmits the academic experience data to the target computer host. The target computer host generates a newly added block containing the academic experience data and adds it to a blockchain.

Description

Method and system for preserving academic experience data using blockchain

The present invention relates to a data preservation system, in particular to a blockchain system for preservation of academic experience data.

At present, the domestic banking industry is a highly supervised industry and is based on the needs of internal control and internal audit. Therefore, the competent authority will record the work content and work experience of bank personnel in the staff’s academic history documents in order to facilitate subsequent work rounds in the bank. Reference basis for adjustment assignment and system authority setting.

However, the current banking industry mostly uses paper and online systems to record employee academic experience and other related materials. However, in the process of paper records that rely on manual memory and file data submission, there are often omissions or errors that affect the final online system. As a result of the publication, in addition to the preservation of paper-based academic experience documents, every person who applies for borrowing may also be easily lost or tampered with during the transmission process, which may affect the rights of employees and the bank.

In view of this, how to provide a method that can effectively store the academic experience data of the employees is the primary problem that this creation intends to solve.

Therefore, the purpose of the present invention is to provide a method for preserving academic experience data using blockchain.

Therefore, the present invention utilizes the method for preserving learning experience data of the blockchain, and is implemented by a blockchain system that includes a plurality of computer hosts connected to each other via a communication network. The computer hosts include multiple general computer hosts, one The first review computer host, a second review computer host and a target computer host. The method for preserving academic experience data using blockchain includes one step (A), one step (B), one step (C), and one Step (D).

The step (A) is to generate and transmit a first addition containing the academic experience data based on at least one academic experience data related to an employee’s academic experience through one of the first general computer hosts in the general computer hosts Employee data to the first review computer host.

The step (B) is to use the first auditing computer host to determine whether there is an input operation generated by the user and indicating the first new employee after receiving the first new employee data The first confirmation instruction that the academic experience data in the data is correct.

In step (C), when the first auditing computer host determines that the first confirmation command has been received, the first auditing computer host transmits the academic experience data to the second auditing computer host or the target Computer host.

The step (D) is to use the target computer host to generate a new block corresponding to the blockchain system and include the learning experience data after receiving the learning experience data, and add the new block to it A block chain corresponding to the block chain system.

Another object of the present invention is to provide a blockchain system that preserves academic experience data.

Therefore, the blockchain system for preserving academic experience data of the present invention includes multiple computer hosts connected to each other via a communication network. The computer hosts include multiple general computer hosts, a first auditing computer, and a second auditing computer. Host and a target computer host.

Wherein, one of the general-purpose computer hosts, the first general-purpose computer host, generates and transmits a first new employee data including the academic experience data to the first review based on at least one academic experience data related to an employee’s academic experience The computer host, after receiving the first new employee data, the first audit computer determines whether it has received an input operation generated by the user and indicates the learning experience in the first new employee data The first confirmation instruction that the data is correct. When the first verification computer host determines that the first confirmation instruction has been received, the first verification computer host transmits the academic experience data to the second review computer host or the target The host computer, after receiving the learning experience data, the target host computer generates a new block corresponding to the blockchain system and contains the learning experience data, and adds the new block to the blockchain system. Corresponds to a blockchain.

The effect of the present invention is: through the block chain system, the learning experience data is stored in the block chain corresponding to the block chain system, and the characteristics of the block chain can be used to effectively prevent the learning experience data. Experience data loss or tampering.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

Referring to FIG. 1, an embodiment of a blockchain system for preserving academic experience data of the present invention. The blockchain system 1 includes a plurality of computer hosts connected to each other via a communication network 200. The computer hosts include multiple general computer hosts 11, a first audit computer host 12, a second audit computer host 13 and a target computer host 14.

Each computer host of the blockchain system 1 has a corresponding public key and a private key.

Each universal computer host 11 includes a universal terminal communication module 111 connected to the communication network 200, a universal terminal storage module 112, a universal terminal input module 113, a universal display module 114, and an electrical connection to the The universal terminal communication module 111 and the universal terminal storage module 112 and the universal terminal input module 113 and the universal terminal processing module 115 of the universal display module 114. Among them, the general computer hosts 11 include a first general computer host 11 and a second general computer host 11.

The first audit computer host 12 includes a first audit end communication module 121 connected to the communication network 200, a first audit end storage module 122, a first audit end input module 123, and a first audit end Display module 124, and an electrical connection between the first review terminal communication module 121 and the first review terminal storage module 122, the first review terminal input module 123 and the first review terminal display module 124 An audit end processing module 125.

The second audit computer host 13 includes a second audit end communication module 131 connected to the communication network 200, a second audit end storage module 132, a second audit end input module 133, and a second audit end Display module 134, and an electrical connection between the second review terminal communication module 131 and the second review terminal storage module 132, the second review terminal input module 133 and the second review terminal display module 134 Second, the review end processing module 135.

The target computer host 14 includes a target communication module 141 connected to the communication network 200, a target storage module 142, a target input module 143, a target display module 144, and an electrical connection to the The target communication module 141 and the target storage module 142 and the target input module 143 and the target processing module 145 of the target display module 144.

In this embodiment, the implementation modes of the general computer host 11, the first audit computer host 12, the second audit computer host 13, and the target computer host 14 are, for example, a personal computer, a server or a cloud host. But not limited to this.

The following will explain the general computer hosts 11 of the blockchain system 1 and the first review by implementing a method for preserving academic experience data using the blockchain by this embodiment of the blockchain system for preserving academic experience data of the present invention The computer host 12, the second audit computer host 13, and the operation details of each component of the target computer host 14. The learning experience data preservation method using the blockchain includes a learning experience establishment process and a job assignment process.

Refer to Figures 2 and 3, the learning experience establishment procedure is to create a learning experience data related to an employee through the blockchain system 1, and includes a step 51, a step 52, a step 53, a step 54, and a step 55. One step 56, one step 57, one step 58, one step 59, one step 60, one step 61, one step 62, and one step 63.

In this step 51, the universal terminal processing module 115 of the first universal computer host 11 is used to respond to a user (the user who operates the first universal computer host 11) inputted by the universal terminal input module 113 An input operation, and based on the public key of the first auditing computer host 12 in the blockchain system 1 and an academic experience data related to an employee’s academic experience, generate a public key encryption by the first auditing computer host And the first newly added employee data including the academic experience data, and the first newly added employee data is transmitted to the first auditing computer host 12 through the universal terminal communication module 111. The first universal computer host 11 is one of the universal computer hosts 11. In particular, the academic experience data includes at least one of academic experience information, license information, and verification information, but is not limited to this.

In the step 52, the first reviewing terminal processing module 125 receives the first newly added employee data through the first reviewing terminal communication module 121, and decrypts it according to the private key of the first reviewing computer host 12 The learning experience data is obtained, and the learning experience data is displayed on the first review terminal display module 124 for review by the user operating the first review computer host 12.

In this step 53, the first review end processing module 125 determines whether a response to another user (the user operating the first review computer host 12) is received via the first review end input module The first confirmation command generated by another input operation entered by 123 and indicating that the academic experience data in the first newly added employee data is correct. When the first review end processing module 125 determines that the first confirmation instruction has not been received, proceed to step 54; when the first review end processing module 125 determines that the first confirmation instruction has been received, proceed Process step 56.

In step 54, the first review end processing module 125 generates a first error message indicating that the academic experience data in the first newly added employee data is incorrect, and passes the first review end communication module 121 transmits the first error message to the first universal computer host 11.

In the step 55, the universal terminal processing module 115 of the first universal computer host 11 receives the first error message through the universal terminal communication module 111, and displays the first error message on the universal terminal. Module 114.

In this step 56, the first review end processing module 125 encrypts the academic experience data according to the public key of the second review computer host 13 to generate a second new employee data containing the academic experience data. And send the second newly added employee data to the second audit computer host 13 through the first audit terminal communication module 121.

In the step 57, the second audit terminal processing module 135 receives the second newly added employee data through the second audit terminal communication module 131, and decrypts it according to the private key of the second audit computer host. The academic experience data is obtained, and then the academic experience data is displayed on the second review end display module 134 for review by the user operating the second review computer host 13.

In this step 58, the second review end processing module 135 determines whether a response to another user (the user who operates the second review computer host 13) has been received via the second review end input module The second confirmation command generated by another input operation input by 133 and indicating that the academic experience data in the second newly added employee data is correct. When the second review end processing module 135 determines that the second confirmation instruction has not been received, proceed to step 59; when the second review end processing module 135 determines that the second confirmation instruction has been received, proceed Process step 61.

In this step 59, the second review end processing module 135 generates a second error message indicating that the academic experience data in the second newly added employee data is incorrect, and passes the second review end communication module 131 sends the second error message to the first auditing computer host 12.

In the step 60, the second verification terminal processing module 135, after receiving the first error message through the second verification terminal communication module 131, displays the second error message on the second verification terminal display module Group 134.

In the step 61, the second review end processing module 135 transmits the learning experience data to the target computer host 14.

In step 62, the target processing module 145, after receiving the learning experience data through the target communication module 141, generates a new block corresponding to the blockchain system 1 and containing the learning experience data , And add the newly added block to a block chain corresponding to the block chain system 1.

In step 63, the target processing module 145 broadcasts the newly added block to the general computer host 11 other than the target computer host 14 in the blockchain system 1, so that the storage of each general computer host 11 The modules (the universal storage module 112, the first audit storage module 122, the second audit storage module 132, and the target storage module 142) all store the learning experience data.

It is worth noting that the learning experience establishment process can also only use the first auditing computer host 12 or the second auditing computer host 13 to perform a single-layer audit mechanism, without a two-layer audit mechanism. For a single-layer audit mechanism, for example, after it is determined in step 55 that the first confirmation command is received, steps 61 to 63 are directly executed, and the second audit computer host does not need to perform the second layer Review to add the academic experience data to the blockchain.

Refer to Figures 4 and 5, the job transfer procedure is to transfer an employee from the original job to a new job via the blockchain system 1, and includes a step 71, a step 72, a step 73, a step 74, and a step 75 , A step 76, a step 77, a step 78, a step 79, and a step 80.

In step 71, the universal terminal processing module 115 of the second universal computer host 11 is used to respond to the input of another user (the user who operates the second universal computer host 11) through the universal terminal input module 113 Another input operation, and based on the public key of the first auditing computer host 12 in the blockchain system 1 and a job assignment data related to an employee’s job assignment, generate a public key that passed the first auditing computer host The first dispatched employee data is encrypted by the key and contains the job dispatch data, and the first dispatched employee data is transmitted to the first auditing computer host 12 through the universal terminal communication module 111. Wherein, the second universal computer host 11 is one of the universal computer hosts 11. In particular, the job assignment data includes an employee's information and a job information that includes the required academic experience and certificates for the job to be transferred, but it is not limited to this.

In this step 72, after the first reviewer processing module 125 receives the first dispatched employee data through the first reviewer communication module 121, it decrypts and decrypts it according to the private key of the first reviewing computer host 12 Obtain the job assignment data, and then display the job assignment data on the first review end display module 124 for review by the user operating the first review computer host 12.

In the step 73, the first review end processing module 125 determines whether a response to another user (the user who operates the first review computer host 12) is received via the first review end input module The third confirmation command that is generated by another input operation entered by 123 and indicates that the job assignment data in the first assignment employee data is correct. When the first review end processing module 125 determines that the third confirmation instruction has not been received, proceed to step 74; when the first review end processing module 125 determines that the third confirmation instruction has been received, proceed Process step 76.

In the step 74, the first review end processing module 125 generates a third error message indicating that the job assignment data in the first dispatched employee data is incorrect, and passes the first review end communication module 121 The third error message is sent to the second universal computer host 11.

In the step 75, the universal terminal processing module 115 of the second universal computer host 11 receives the first error message through the universal terminal communication module 111, and displays the third error message on the universal terminal. Module 114.

In this step 76, the first review end processing module 125 encrypts the job assignment data according to the public key of the second review computer host 13 to generate a second job assignment data containing the job assignment data, and The data of the second dispatched employee is transmitted to the second auditing computer host 13 through the first auditing terminal communication module 121.

In step 77, after the second reviewer processing module 135 receives the second dispatched employee data through the second reviewer communication module 131, it decrypts according to the private key of the second review computer host to obtain The job assignment data is then displayed on the second review terminal display module 134 for review by the user operating the second review computer host 13. It is worth noting that, in this embodiment, the second reviewer processing module 135 also generates a personnel change message based on the employee information in the job assignment data, and uses the second reviewer communication module 131 The personnel change message is sent to the general computer host 11 operated by the superior supervisor of the employee indicated by the employee information.

In this step 78, the second review end processing module 135 transmits the job assignment data to the target computer host 14.

In the step 79, the target processing module 145, after receiving the job assignment data through the target communication module 141, generates another new area corresponding to the blockchain system 1 and containing the job assignment data Block, and add the other newly added block to the block chain corresponding to the block chain system 1.

In this step 80, the target processing module 145 broadcasts the other newly added block to the general computer host 11 other than the target computer host 14 in the blockchain system 1, so that each general computer host 11 The storage modules (the universal storage modules 112, the first audit storage module 122, the second audit storage module 132, and the target storage module 142) all store the job assignment data.

In summary, the present invention utilizes the method and system for preserving academic experience data of the blockchain, by storing the reviewed academic experience data and the job assignment data in the blockchain corresponding to the blockchain system 1. And each general computer host 11 can effectively prevent the academic experience data and the job assignment data from being lost or deliberately altered during access. Therefore, it can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope of the patent for the present invention.

200: Communication network 1: Blockchain system 11: General computer host 111: Universal terminal communication module 112: Universal storage module 113: Universal input module 114: Universal terminal display module 115: Universal end processing module 12: First review computer host 121: The first audit terminal communication module 122: The first audit end storage module 123: Input module of the first audit end 124: The first review end display module 125: The first review end processing module 13: The second audit computer host 131: The second audit terminal communication module 132: The second audit end storage module 133: The second audit end input module 134: The second audit end display module 135: The second review end processing module 14: Target computer host 141: Target communication module 142: Target storage module 143: Target input module 144: Target display module 145: Target-side processing module 51~63: Step 71~80: steps

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a block diagram illustrating an embodiment of the blockchain system for preserving academic experience data of the present invention; Figure 2 It is a flowchart illustrating steps 51 to 56 and step 60 of the learning experience establishment procedure, which is one of the methods for preserving academic experience data using blockchain; Figure 3 is a flowchart illustrating the academic experience data using blockchain Step 57~Step 59 and Step 61~Step 63 of the preservation method of the learning experience establishment procedure; Figure 4 is a flowchart illustrating the step 71~steps of the job assignment procedure, one of the methods of preservation of academic experience data using blockchain 76; and Figure 5 is a flowchart illustrating steps 77 to 80 of the job assignment procedure of the method for preserving academic experience data using blockchain.

200: Communication network

1: Blockchain system

11: General computer host

111: Universal terminal communication module

112: Universal storage module

113: Universal input module

114: Universal terminal display module

115: Universal end processing module

12: First review computer host

121: The first audit terminal communication module

122: The first audit end storage module

123: Input module of the first audit end

124: The first review end display module

125: The first review end processing module

13: The second audit computer host

131: The second audit terminal communication module

132: The second audit end storage module

133: The second audit end input module

134: The second audit end display module

135: The second review end processing module

14: Target computer host

141: Target communication module

142: Target storage module

143: Target input module

144: Target display module

145: Target-side processing module

Claims (16)

A method for preserving academic experience data using blockchain is implemented by a blockchain system including multiple computer hosts connected to each other via a communication network. The computer hosts include multiple general-purpose computer hosts and a first audit The computer host, a second audit computer host, and a target computer host. The method for preserving academic experience data using the blockchain includes the following steps: (A) With one of the general computer hosts, at least the first general computer host According to an academic experience data related to an employee’s academic experience, generate and send a first newly added employee data containing the academic experience data to the first auditing computer; (B) through the first auditing computer, After receiving the first newly added employee data, determine whether there is a first confirmation command generated by the user's input operation and indicating that the academic experience data in the first newly added employee data is correct; C) When the first auditing computer host determines that the first confirmation command is received, the first auditing computer host transmits the academic experience data to the second auditing computer host or the target computer host; and (D) After the target computer host receives the learning experience data, it generates a new block corresponding to the blockchain system and contains the learning experience data, and adds the new block to the block A blockchain corresponding to the chain system. According to the method for preserving academic experience data using blockchain as described in claim 1, each computer host corresponds to a public key and a private key, wherein, in step (A), with the first general computer host, According to the public key of the first auditing computer host and the academic experience data in the blockchain system, generate and transmit the first newly added employee encrypted by the public key of the first auditing computer host and containing the academic experience data Data to the first auditing computer; this step (B) also includes the following steps: (B-1) through the first auditing computer, after receiving the first new employee data, according to the first audit The private key of the computer host decrypts and obtains the academic experience data; and (B-2) through the first auditing computer host, it is determined whether the first confirmation command indicating that the academic experience data is correct is received. According to the method for preserving academic experience data using blockchain as described in claim 1, each computer host corresponds to a public key and a private key. In this step (C), when the first auditing computer host determines When the first confirmation command is received, the first auditing computer host first encrypts the academic experience data to be sent to the second auditing computer host according to the public key of the second auditing computer host. Generate a second newly added employee data containing the academic experience data, and send the second newly added employee data to the second auditing computer host; after this step (C), it also includes the following steps: (E) Borrow The second auditing computer host, after receiving the second newly added employee data, decrypts according to the private key of the second auditing computer host to obtain the academic experience data; (F) using the second auditing computer host , Determine whether a second confirmation command generated by the user's input operation and indicating that the academic experience data is correct is received; and (G) when the second auditing computer host determines that the second confirmation has been received When instructing, the second reviewing computer host is used to transmit the learning experience data to the target computer host. The method for preserving academic experience data using blockchain as described in claim 1, wherein, after step (D), it further includes the following steps: (H) broadcast the newly added block through the target computer host To a computer host other than the target computer host in the blockchain system. The method for preserving academic experience data using blockchain as described in claim 4, wherein, after this step (H), it further includes the following steps: (I) One of the general computer hosts is a second general computer The host, based on at least one job assignment data related to an employee’s job assignment, generates and transmits a first assignment employee data containing the job assignment data to the first audit computer host; (J) through the first audit computer host After receiving the first dispatched employee data, it is determined whether a third confirmation command is received which is generated by the user's input operation and indicates that the job dispatch data in the first dispatched employee data is correct; K) When the first auditing computer host determines that it has received the third confirmation command, the first auditing computer host transmits the job assignment data to the second auditing computer host or the target computer host; and (L) After the target computer host receives the job assignment data, it generates another new block corresponding to the blockchain system and contains the job assignment data, and adds the other new block The blockchain corresponding to the blockchain system. For the method for preserving academic experience data using blockchain as described in claim 5, each computer host corresponds to a public key and a private key, wherein, in this step (I), with the second general computer host, According to at least the public key of the first auditing computer host and the job assignment data, generate and transmit the first assignment employee data encrypted by the public key of the first auditing computer host and containing the job assignment information to the first auditing computer Host; this step (J) also includes the following steps: (J-1) through the first auditing computer host, after receiving the first dispatched employee data, decrypt and decrypt it according to the private key of the first auditing computer host Obtain the job assignment information; and (J-2) Use the first audit computer host to determine whether the third confirmation command indicating that the job assignment information is correct is received. For the method for preserving academic experience data using blockchain as described in claim 5, each computer host corresponds to a public key and a private key. In step (K), when the first auditing computer host determines When the third confirmation command is received, the first auditing computer host first encrypts the job assignment data to be sent to the second auditing computer host according to the public key of the second auditing computer host. Generate a second dispatched employee data containing the job dispatching data, and send the second dispatched employee data to the second auditing computer host; and after this step (K), it also includes the following steps: (M) By The second auditing computer host, after receiving the second dispatched employee data, decrypts according to the private key of the second auditing computer host to obtain the job dispatching data, and transmits the job dispatching data to the target computer host. The method for preserving academic experience data using the blockchain as described in claim 5, wherein, after the step (L), the following steps are further included: (N) using the target computer host to add another area The block is broadcast to a computer host other than the target computer host in the blockchain system. A blockchain system for preserving academic experience data includes multiple computer hosts connected to each other via a communication network. The computer hosts include multiple general computer hosts, a first audit computer host, a second audit computer host, and a Target computer host; wherein, one of the general computer hosts, the first general computer host, generates and transmits a first newly added employee data containing the academic experience data to at least one academic experience data related to an employee’s academic experience The first auditing computer host, after receiving the first new employee data, the first auditing computer determines whether it has received an input operation generated by the user and indicates that the first new employee data The first confirmation instruction that the academic experience data is correct. When the first verification computer host determines that the first confirmation instruction has been received, the first verification computer host transmits the academic experience data to the second review computer The host or the target computer host, after receiving the learning experience data, the target computer host generates a new block corresponding to the blockchain system and contains the learning experience data, and adds the new block to the area A block chain corresponding to the block chain system. The block chain system for preserving academic experience data according to claim 9, wherein each computer host corresponds to a public key and a private key, and the first general computer host is based on the first review in the blockchain system The public key of the computer host and the academic experience data are generated and transmitted to the first auditing computer host by the public key encryption of the first auditing computer host and containing the academic experience data of the first newly added employee data. After the auditing computer host receives the first new employee data, it decrypts it according to the private key of the first auditing computer host and obtains the academic experience data. The first auditing computer host determines whether it has received an instruction indicating the academic experience The first confirmation command with correct data. The blockchain system for preserving academic experience data as described in claim 9, wherein each computer host corresponds to a public key and a private key, wherein, when the first audit computer host determines that the first confirmation has been received When instructing, the first auditing computer host first encrypts the academic experience data to be sent to the second auditing computer host according to the public key of the second auditing computer host to generate a second auditing computer host containing the academic experience data. Add employee data, and send the second newly added employee data to the second auditing computer. After receiving the second newly added employee data, the second auditing computer will use the second auditing computer’s private information The key is decrypted to obtain the academic experience data, the second auditing computer host determines whether it has received a second confirmation command generated by the user's input operation and indicating that the academic experience data is correct, when the second auditing When the computer host determines that the second confirmation command is received, the second audit computer host transmits the academic experience data to the target computer host. The blockchain system for preserving academic experience data according to claim 9, wherein the target computer host broadcasts the newly added block to a computer host other than the target computer host in the blockchain system. The blockchain system for preserving academic experience data according to claim 12, wherein one of the general-purpose computer hosts, the second general-purpose computer host, generates and transmits a job assignment data related to an employee’s job assignment at least The first dispatched employee data containing the job dispatch data is sent to the first auditing computer host, and the first auditing computer host determines whether it has received an input operation generated by the user after receiving the first dispatched employee data And indicate the third confirmation instruction that the job assignment information in the first dispatched employee data is correct. When the first review computer host determines that the third confirmation instruction has been received, the first review computer host will The job assignment data is sent to the second auditing computer host or the target computer host. After receiving the job assignment data, the target computer host generates another new block corresponding to the blockchain system and containing the job assignment data , And add the other newly added block to the block chain corresponding to the block chain system. According to claim 13, the blockchain system for preserving academic experience data, wherein each computer host corresponds to a public key and a private key, and the second general computer host is at least based on the public key and the public key of the first auditing computer host The job assignment data is generated and transmitted to the first review computer host which is encrypted by the public key of the first review computer host and contains the job assignment data. The first review computer host receives the After the first dispatched employee information, decrypt it according to the private key of the first audited computer host and obtain the job assignment information. The first audited computer host determines whether it has received the third confirmation indicating that the job assignment information is correct instruction. The blockchain system for preserving academic experience data according to claim 13, wherein each computer host corresponds to a public key and a private key, and when the first auditing computer host determines that the third confirmation command has been received , The first auditing computer host first encrypts the job assignment data to be sent to the second auditing computer host based on the public key of the second auditing computer host to generate a second assignment employee containing the job assignment information And send the second dispatched employee data to the second auditing computer host. After receiving the second dispatched employee information, the second auditing computer host decrypts it according to the private key of the second auditing computer host to obtain The job assignment information, and the job assignment information is sent to the target computer host. The blockchain system for preserving academic experience data according to claim 13, wherein the target computer host broadcasts the other newly added block to a computer host other than the target computer host in the blockchain system.

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