CN111861425B - Individual resume sharing system based on block chain - Google Patents
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Abstract
The invention relates to a block chain-based individual record sharing system, which comprises a registration login module, a certificate management module, an electronic signing module, a signature/signature verification module, a consensus processing module, an information maintenance module, an encryption/decryption module, an information verification module and a data storage module, wherein the individual record sharing is realized by using a block chain technology, colleges and universities are responsible for maintaining the education experiences of students, personnel units are responsible for maintaining the working experiences of employees, training institutions are responsible for maintaining the training experiences of students, after the individuals are confirmed, all past record data are stored on a block chain, the records are guaranteed not to be falsified and prevented from being leaked, the real-time verification of the individual records by the colleges and universities, the personnel units and the training institutions is realized, the time and the economic cost are effectively reduced, the efficiency is improved, the individual privacy is protected, and the talent market which is convenient, efficient, fair, stable and transparent is created.
Description
Technical Field
The invention relates to the technical field of information management, in particular to a personal record sharing system based on a block chain.
Background
In the traditional recruitment process, a employing unit generally obtains the resume of an applicant through a recruitment website or a mailbox, and after screening, a proper talent is verified, and the most important link in the recruitment process is to verify whether the personal history provided by the applicant is real so that the employing unit can make an accurate judgment. Nowadays, the phenomenon of resume counterfeiting generally exists, and due to fierce competition, a plurality of applicants can add unrealistic contents in the resume, distort and exaggerate past work experience, even forge study history, so as to adapt to the position of expected delivery. The employment unit has difficulty recognizing the unrealistic content in the resume, and may make erroneous decisions that the employed applicant does not coordinate, and a large portion of the liquidity cost of the employment unit is due to poor recruitment. The traditional recruitment method has the problems of low efficiency, false information and the like, an effective solution is lacked at present, a person-using unit usually carries out background survey (hereinafter referred to as a back tone) on an applicant by a full-time HR or depending on a third-party mechanism, and the existing processing method has the following pain points:
1. verifying the authenticity of the applicant's history is costly for the human entity. Whether the verification is carried out by a self-set human resource management department or a third-party organization, high time, labor and expense cost are brought to a human unit, and the verification process has to be simplified for some small and medium-sized enterprises.
2. The verification result cannot be ensured to be accurate and reliable. The risk of information forgery cannot be completely eliminated by the authentication process relying on a third party, and the problems of fraud and opaqueness still exist. In addition, third party organizations may sell data for profitability purposes and may also be subject to network attacks, resulting in disclosure of private information of users. And a single mechanism is used as a credit endorsement, so that high credit maintenance cost is required, a centralized mechanism cannot be completely transparent, data is stored in a centralized mode, the risk of data tampering and leakage exists, and the trust and safety problems of all parties in information exchange and sharing are not really solved.
3. In the event of improper employment, the user units not only incur additional costs for re-hiring and training new candidates, but may also bear significant business, legal, and reputation risks. And when false information is encountered in the operation process, the source cannot be traced.
4. The personnel unit usually needs to cooperate with different platforms to pay corresponding fees; the applicant also needs to post resumes on different platforms, causing repeated precipitation of data. The economic and time costs of backtracking are high, the entire process may take days or even weeks, further delays due to time zone differences may be encountered for across-country enterprises, and only recent work experiences of the applicant may be verified, and it is almost impossible to contact an earlier enterprise for verification if the applicant has worked through multiple enterprises. More importantly, under the technical scheme, the risk of information forgery still exists, and the verification result cannot be guaranteed to be true and reliable.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a personal resume sharing system based on a block chain, which can effectively reduce time and economic cost, improve efficiency, trace records and realize information sharing safety.
The purpose of the invention can be realized by the following technical scheme:
a block chain-based individual history sharing system for realizing individual history sharing of an individual, a college, a person using unit, or a training institution using a block chain technique, the college acquiring and maintaining education history information of individual histories of students, the person using unit acquiring and maintaining work history information of individual histories of employees, and the training institution acquiring and maintaining training histories of individual histories of a college. The system specifically comprises a registration login module, a certificate management module, an electronic signing module, a signature/signature verification module, a consensus processing module, an information maintenance module, an encryption/decryption module, an information verification module and a data storage module.
And the registration login module is used for registering and recording users for individuals, colleges and universities, personnel units or training institutions, and after the users successfully register, the users log in through passwords and verification codes. The keys for different users can be generated according to the encryption algorithm in the prior art, such as the RSA encryption algorithm, the secure hash algorithm, etc., and the key contents of different users are different. The private key is used for being stored in the local node where the user is located, and the public key is used for being issued to the outside. The present embodiment preferably generates the key using a secure hash algorithm.
And the certificate management module is used for issuing a certificate to the user who is registered successfully and generating a public and private key pair. Further, the certificate management module adopts a CA service mode to realize the issuing and management of the certificate.
And the electronic signing module is used for encrypting the electronic labor contract or the training contract signed by the individual and the personnel unit or the individual and the training institution on line through an intelligent contract and storing the encrypted electronic labor contract or the training contract into the block chain.
And the signature/signature verification module is used for carrying out signature verification on the user who issues the information and writing the information issued by the user who passes the verification into the block chain. Further, the signature/signature verification module adopts an asymmetric encryption system for encryption verification. The concrete contents are as follows:
when a user issues information, firstly, a digest is obtained through a Hash function, then, a private key of a personal node is used for signing the digest, after a consensus node receives digest data with a signature, the consensus node decrypts the data according to a public key of the personal node to obtain an original digest, meanwhile, a Hash value is calculated for the information to obtain a calculated digest, the calculated digest and the received digest with the signature are carried out, if the two are the same, verification is passed, the information issued by the user is written into a block chain, and if the verification is not passed, verification operation is executed again.
And the consensus processing module is used for sending the transaction after the signature verification is passed to the queue to be issued by using the accounting node and issuing the transaction according to a first-in first-out mechanism, and the consensus node verifies the signature and judges the validity of the signature after receiving the transaction and packs and issues the transaction after the signature verification is passed to the block chain at regular intervals. Further, the consensus processing module realizes consensus processing by adopting the co-cooperation of Kafka and ZooKeeper.
The information maintenance module is used for recording personal education experiences, working experiences or training experiences by calling an intelligent contract by colleges and universities, personnel units or training institutions, confirming information by individuals, then carrying out transaction issuing, and meanwhile writing transaction data into a block chain after consensus processing.
And the encryption/decryption module is used for encrypting the data by adopting the public key of the authorized user before transmitting the data to the authorized user, and the authorized user decrypts the data by utilizing the own private key after receiving the data and checks the data.
The information verification module, colleges and universities, personnel taking units and training institutions serve as requesters to firstly request authorization from individual users, the individual users call intelligent contracts to inquire various resume data of the colleges and the universities and the personnel taking the resume data after the authorization passes, the resume data are integrated, the data are required to be processed by the encryption/decryption module before and after being transmitted, and the requesters check and verify the decrypted data.
And the data storage module is used for storing the association relationship between the transaction address where the historical data of each stage is located and the Hash of the public key of the personal user. Further, the data storage module stores the incidence relation between the transaction address of the historical data of each stage and the Hash of the public Key of the individual user into a relational database, and a Key-Value type database is used for realizing chain data storage, such as a LevelDB.
The information sharing process of the system for realizing the individual resume comprises two stages of information maintenance and information verification, and the specific steps of the system for realizing the information maintenance comprise:
a1 Colleges and universities, personnel units or training institutions utilize intelligent contracts to execute personal history recording operation and send recorded information to individuals for confirmation;
a2 The individual confirms the history data input by the colleges and universities, the personnel units or the training institutions, if the confirmation is passed, the public key of the individual is used for encrypting the history data and the Hash value of the history data is calculated through a safe Hash algorithm, the next step is executed, and if the confirmation is not passed, the history data is returned to the colleges and universities, the personnel units or the training institutions for modification;
a3 Signing the encrypted resume data and the Hash value by using a private key of a college, a human unit or a training institution and then issuing, wherein all issuing operations are subjected to consensus processing, if the consensus is passed, the resume data is written into a block chain, and if the consensus fails, the resume data is not written into the block chain;
a4 Store the association between the transaction address and the Hash of the personal public key in a relational database.
The specific steps of the system for realizing the information verification comprise:
b1 A college, a human-using unit, or a training institution sends a verification request to an individual;
b2 If the person agrees to authorize, then the next step is executed, otherwise the process ends;
b3 Using Hash value of personal public key to inquire trade address corresponding to history data of each stage, and inquiring corresponding history data through trade address;
b4 Using a personal private key to decrypt the historical data, calculating a Hash value and comparing the Hash value with the original Hash value, if the two Hash values are equal, proving that the data is not tampered, executing the next step, otherwise, indicating that the data is tampered, and ending the process;
b5 Integrating the historical data of each stage obtained by query according to a timestamp, encrypting the integrated data by using a public key of a college, a human-using unit or a training institution, calculating a Hash value of the integrated data, and sending the encrypted data and the Hash value to the college, the human-using unit or the training institution;
b6 Colleges and universities, personnel units or training institutions decrypt the data after receiving the data by using the private keys of the colleges and universities or the personnel units or the training institutions, calculate the Hash value of the decrypted data, compare the calculated Hash value with the received Hash value in the step 25), prove that the data is not tampered if the two Hash values are equal, and pass the verification, otherwise, prove that the data is tampered, and finish the process.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention utilizes the block chain technology to realize individual record sharing, colleges and universities are responsible for maintaining the educational experiences of students, the personnel units are responsible for maintaining the working experiences of employees, the training institutions are responsible for maintaining the training experiences of students, and after personal confirmation, all past record data are stored on the block chain, so that the records are ensured not to be falsified and prevented from being leaked, the real-time verification of the colleges and universities, the personnel units and the training institutions on the individual records is realized, the information of the individual educational experiences, the working experiences, the training experiences and the like is written into the block chain by using the intelligent contract technology, all records can be traced, and the trust and safety problems of all parties are solved;
2. the signature/signature verification module is arranged to perform signature and verification processing on the user issued information, the processed signature is issued after being subjected to consensus processing through the consensus processing module, and data can be guaranteed not to be falsified and forged;
3. the intelligent contract is used for providing information verification service for users, colleges and universities, personnel taking units and training institutions are used as requesters to request authorization from individual users, the individual users call the intelligent contract to inquire various resume data of the colleges and the universities after the authorization is passed and integrate the resume data, the encryption/decryption module is used for processing before and after data transmission, the requesters check and verify the decrypted data, data sharing is achieved on the basis of ensuring authenticity, and meanwhile the problem of resume counterfeiting of individual behaviors is avoided.
Drawings
FIG. 1 is a block chain-based personal story sharing system according to an embodiment;
FIG. 2 is a schematic flow chart illustrating information maintenance performed by a block chain-based personal resume sharing system according to an embodiment;
FIG. 3 is a flowchart illustrating a block chain-based personal record sharing system for information verification according to an embodiment.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
The invention relates to a block chain-based personal resume sharing system, which comprises a registration login module, a certificate management module, an electronic signing module, a signature/signature verification module, a consensus processing module, an information maintenance module, an encryption/decryption module, an information verification module and a data storage module. As shown in fig. 1, wherein:
1. a registration login module:
user registration and login services are provided. Individuals, colleges, personnel units and training institutions register and record through the module. After the user successfully registers, the user can log in through the password and the verification code.
2. A certificate management module:
the issuing and management of certificates is achieved using a mode of CA service. After the user is successfully registered, the certificate management module signs a certificate for the user and generates a public key pair and a private key pair, namely a public key and a private key of a person, a college, a personnel unit or a training institution. The keys for different users can be generated according to the encryption algorithm in the prior art, such as the RSA encryption algorithm, the secure hash algorithm, etc., and the key contents of different users are different. The private key is used for being stored in the local node where the user is located, and the public key is used for being issued to the outside. The present embodiment preferably employs a secure hash algorithm to generate the key.
3. An electronic signing module:
and realizing the electronic signing function by using the intelligent contract. And the individual, the personnel unit and the training institution sign an electronic labor contract and a training contract on line, and the electronic contract is encrypted and stored on the block chain through an intelligent contract so as to realize traceability and checkup of the contract.
4. Signature/signature verification module:
when a user releases information, an asymmetric encryption system is adopted, firstly, a digest is obtained through a Hash function, then, a private key of a personal node is used for signing the digest, after a consensus node (all nodes participating in a consensus mechanism are consensus nodes) receives digest data with signatures, decryption is carried out according to a public key of the personal node (the node where the user is located) to obtain an original digest, a Hash value is calculated for original digest information to obtain a calculated digest, the calculated digest and the received digest with signatures are compared to see whether the two digests are the same or not, if the two digests are the same, verification is passed, and the information is written into a block chain. If the difference is not the same, the verification is not passed and the operation is carried out again.
5. A consensus processing module:
the consensus mechanism service is realized by using the co-operation of Kafka and ZooKeeper. And arranging an accounting node which is used for temporarily storing the transaction to be issued and broadcasting the transaction to the consensus nodes in the network. The accounting node may be generated using a voting method. The bookkeeping node sends the signed transaction to a queue to be issued, the transaction is issued according to a first-in first-out mechanism, the consensus node verifies the signature and judges the validity of the signature after receiving the transaction, and the transaction passing the verification is packed and issued to the block chain after a certain time interval. The validity determination is prior art and will not be described herein in any greater detail. The interval time can be set according to the data volume and the network transmission capacity, so that the nodes can be prevented from frequently sending and receiving data, and the processing efficiency of the nodes is improved. The present embodiment is preferably performed at intervals of 1 hour.
6. An information maintenance module:
colleges and universities, personnel units and training institutions realize the input of personal education experiences, work experiences and training experiences by calling intelligent contracts, and after the information is confirmed by the individuals, the transactions can be issued and written into a block chain after consensus processing.
7. An encryption/decryption module:
before transmitting data to an authorized user, the data is encrypted by using a public key of the authorized user, and the authorized user receives the data, decrypts the data by using a private key of the authorized user and checks the data.
8. An information verification module:
an intelligent contract is used to provide information verification services for users. Colleges and universities, personnel taking units and training institutions as requesters need to request authorization from individual users, after the authorization is passed, the individual users call intelligent contracts to inquire various resume data of the colleges and universities and integrate the resume data, before and after data transmission, the data are processed by an encryption/decryption module, and the requesters check and verify the decrypted data.
9. A data storage module:
since the educational experience, the work experience and the training experience are respectively issued by different organization nodes, personal historical data may exist in different blocks, and in order to acquire complete personal records, the association relationship between the transaction address where the historical data of each stage is located and the Hash of the public key of the personal user needs to be stored, and the association relationship is stored in a relational database. And (3) realizing chain data storage, such as levelDB, by using a Key-Value type database.
The system realizes the information sharing process of the individual resume, comprises two stages of information maintenance and information verification, the functions of the information maintenance, the information verification and the like are all established on an intelligent contract based on a block chain technology, and the processing logic is realized through the functional codes in the intelligent contract, so that all data can be ensured not to be tampered and is easy to trace. The system utilizes blockchain technology to realize individual history sharing of individuals, colleges and universities, and personnel units or training institutions, wherein the colleges and universities acquire and maintain education experience information of individual histories of students, the personnel units acquire and maintain work experience information of individual histories of employees, and the training institutions acquire and maintain training experiences of individual histories of colleges.
The colleges and universities, the people using units and the training institutions respectively maintain the education experiences, the work experiences and the training experiences of individuals by calling the intelligent contracts, and the people using units call the 'information maintenance function' in the intelligent contracts to execute the input operation of the personal work experiences according to the code logic defined in the contracts and send the operation to the individuals for confirmation. Fig. 2 is a schematic flow chart of information maintenance. The following detailed description takes the flow of the maintenance work experience of a human unit as an example, and the specific execution steps of the information maintenance process comprise:
step 1, confirming the work experience input by a person unit by an individual, if the confirmation is passed, encrypting the work experience data by using a public key of the individual and calculating a Hash value of the work experience data by a secure Hash algorithm; if the confirmation fails, the system returns to the user unit for modification.
Step 2, signing the encrypted work experience data and the Hash value by using a private key of a human unit node, and then issuing, wherein all issuing operations need to be subjected to consensus processing, and if the consensus passes, the data is written into a block chain; if the consensus fails, the data is not written into the blockchain.
And 3, storing the association relationship between the transaction address and the Hash of the personal public key into a relational database.
Colleges and universities, human units and training institutions execute information verification operation according to code logic defined in contracts by calling an information verification function in intelligent contracts, and fig. 3 is a flow diagram of information verification. The following is a detailed description by taking a flow of verifying individual history by a human unit as an example, and the information verification process specifically comprises the following steps:
step 1, sending a verification request to an individual by a person unit.
And 2, if the individual agrees to authorize, entering the step 3, otherwise, ending the process.
And 3, inquiring a transaction address corresponding to the historical data of each stage by using the Hash of the personal public key, and inquiring corresponding historical data through the transaction address.
Step 4, using the personal private key to decrypt the resume data, calculating a Hash value and comparing the Hash value with the original Hash value, if the two Hash values are equal, proving that the data is not tampered, and entering step 5); otherwise, the data is tampered, and the process is ended.
And 5, integrating the inquired history data of each stage according to the time stamp, encrypting the integrated data by using the public key of a human unit, and calculating the Hash value of the integrated data. The encrypted data is sent to the human entity together with the Hash value.
Step 6, the human unit decrypts the data by using the private key thereof after receiving the data, calculates the Hash value of the decrypted data and compares the Hash value with the received Hash value, if the two Hash values are equal, the data is proved not to be falsified, and the verification is passed; otherwise, the data is tampered, and the process is ended.
The existing methods for verifying individual records in talent recruitment, talent communication, job mobilization and learning promotion processes are limited, talents are backed by a full-time HR or a third-party organization, or are managed by a centralized system, so that the defects of high cost, low efficiency, easy data falsification and leakage and the like exist. The invention realizes individual record sharing by using a block chain technology, colleges and universities are responsible for maintaining the education experiences of students, personnel units are responsible for maintaining the working experiences of employees, training institutions are responsible for maintaining the training experiences of students, and after individual confirmation, all past record data are stored on the block chain, so that the records are ensured not to be falsified and prevented from being leaked, the real-time verification of the individual records by the colleges and universities, the personnel units and the training institutions is realized, the time and the economic cost are effectively reduced, the efficiency is improved, the individual privacy is protected, and the talent market which is convenient, efficient, fair, competitive, stable and transparent is created.
In addition, the technical scheme of the invention also provides possibility for fine screening, personalized service and batch processing of the human resources. The block chain is used as the most valuable credit asset, so that the field of human resources becomes more harmonious and efficient in future workplaces, the integration of the human resource industry is improved, the trust problem of each party is solved, and the occurrence of default phenomena is reduced. Colleges and universities can pay attention to the subsequent development of graduates through the platform, assessment and supervision of talent culture quality are facilitated through secondary utilization of manpower resource data, and career planning and feedback teaching of students are assisted.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (1)
1. A block chain-based personal resume sharing system, comprising:
the system comprises a registration login module, a password input module and a verification code input module, wherein the registration login module is used for registering and recording users for individuals, colleges and universities, personnel units or training institutions, and the users log in through the passwords and the verification codes after the users successfully register;
the certificate management module is used for issuing a certificate to the user who successfully registers and generating a public and private key pair;
the electronic signing module encrypts an electronic labor contract or a training contract signed by a personal and a person using unit or a personal and a training institution on line through an intelligent contract and stores the encrypted electronic labor contract or the training contract into a block chain;
the signature/signature verification module is used for carrying out signature verification on the user who issues the information and writing the information issued by the user who passes the verification into the block chain;
the consensus processing module is used for sending the transaction after the signature verification is passed to a queue to be issued by using the bookkeeping node and issuing the transaction according to a first-in first-out mechanism, verifying the signature and judging the validity of the signature after the consensus processing module receives the transaction, and packaging and issuing the transaction after the signature verification is passed to a block chain at regular intervals;
the information maintenance module is used for recording personal education experiences, working experiences or training experiences by calling an intelligent contract by colleges and universities, personnel units or training institutions, confirming information by individuals, then carrying out transaction release, and meanwhile writing transaction data into a block chain after consensus processing;
the encryption/decryption module is used for encrypting the data by adopting a public key of the authorized user before transmitting the data to the authorized user, and the authorized user decrypts the data by utilizing a private key of the authorized user after receiving the data and checks the data;
the information verification module is used for requesting authorization to an individual user by taking colleges and universities, personnel units and training institutions as requesters, the individual user calls an intelligent contract to inquire various resume data of the college and integrate the resume data after the authorization is passed, the data are required to be processed by the encryption/decryption module before and after being transmitted, and the requesters check and verify the decrypted data;
the signature/signature verification module adopts an asymmetric encryption system for encryption verification, and the specific contents are as follows:
when a user issues information, firstly, a digest is obtained through a Hash function, then, a private key of a personal node is used for signing the digest, after a consensus node receives digest data with a signature, the consensus node decrypts the data according to a public key of the personal node to obtain an original digest, meanwhile, a Hash value is calculated for the information to obtain a calculated digest, the calculated digest and the received digest with the signature are carried out, if the two are the same, verification is passed, the information issued by the user is written into a block chain, and if the verification is not passed, verification operation is executed again;
the colleges and universities acquire and maintain education experience information of individual records of students, the personnel units acquire and maintain work experience information of individual records of employees, and the training institutions acquire and maintain training experiences of individual records of colleges;
the system also comprises a data storage module, wherein the data storage module stores the incidence relation between the transaction address where the resume data of each stage is located and the Hash of the public key of the individual user;
the data storage module stores the incidence relation between the transaction address of the resume data of each stage and the Hash of the public Key of the personal user into a relational database, and a Key-Value type database is used for realizing chain data storage;
the certificate management module adopts a CA service mode to realize the issuing and management of the certificate;
the consensus processing module realizes consensus processing by adopting the joint cooperation of Kafka and ZooKeeper;
the system for realizing information maintenance specifically comprises the following steps:
11 Colleges and universities, personnel units or training institutions utilize intelligent contracts to execute recording operation of personal histories, and input information is sent to individuals for confirmation;
12 Individual confirms the history data input by colleges and universities, personnel units or training institutions, if the confirmation is passed, the public key of the individual is used for encrypting the history data and the Hash value of the history data is calculated through a secure Hash algorithm, the next step is executed, and if the confirmation is not passed, the history data is returned to the colleges and universities, personnel units or training institutions for modification;
13 Signing the encrypted resume data and the Hash value by using a private key of a college, a human unit or a training institution and then issuing, wherein all issuing operations are subjected to consensus processing, if the consensus passes, the resume data is written into the block chain, and if the consensus fails, the resume data is not written into the block chain;
14 Store the association between the transaction address and the Hash of the personal public key in a relational database;
the system realizes the information verification and comprises the following specific steps:
21 A college, a human-using unit, or a training institution sends a verification request to an individual;
22 If the person agrees to the authorization, the next step is executed, otherwise the process is ended;
23 Using Hash value of personal public key to inquire trade address corresponding to history data of each stage, and inquiring corresponding history data through trade address;
24 Using a personal private key to decrypt the resume data, calculating a Hash value and comparing the Hash value with the original Hash value, if the two Hash values are equal, proving that the data is not tampered, executing the next step, otherwise, indicating that the data is tampered, and ending the process;
25 Integrating the historical data of each stage obtained by query according to a timestamp, encrypting the integrated data by using a public key of a college, a human-using unit or a training institution, calculating a Hash value of the integrated data, and sending the encrypted data and the Hash value to the college, the human-using unit or the training institution;
26 Receiving the data by colleges and universities, personnel units or training institutions, decrypting the data by using the private keys of the colleges and universities or the training institutions, calculating the Hash value of the decrypted data, comparing the Hash value with the received Hash value in the step 25), if the two Hash values are equal, proving that the data is not tampered, and if the two Hash values are equal, verifying that the data passes, otherwise, indicating that the data is tampered, and ending the process.
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| CN112333192A (en) * | 2020-11-06 | 2021-02-05 | 广州笑脸教育科技有限公司 | Data sharing method and system |
| CN112328687A (en) * | 2020-11-06 | 2021-02-05 | 广州笑脸教育科技有限公司 | Data storage method and system based on block chain |
| CN112328789A (en) * | 2020-11-06 | 2021-02-05 | 广州笑脸教育科技有限公司 | Data processing method and system based on block chain |
| CN112837036A (en) * | 2021-02-06 | 2021-05-25 | 北京中科云泮智能科技有限公司 | Method for realizing 1+ x certificate acquisition based on block chain technology |
| CN113065849A (en) * | 2021-04-02 | 2021-07-02 | 上海日羲科技有限公司 | Resume management method based on block chain |
| CN113329060B (en) * | 2021-05-07 | 2024-02-02 | 河海大学 | Training experience proving system and method based on Fabric alliance chain |
| CN113761559A (en) * | 2021-09-08 | 2021-12-07 | 霍普智库(南京)信息科技有限公司 | AI training data storage management system based on block chain |
| CN114997818A (en) * | 2022-05-16 | 2022-09-02 | 大连理工大学 | Block chain-based college student in-school record storage and verification system and record verification method |
| CN115631075A (en) * | 2022-12-22 | 2023-01-20 | 中教云智数字科技有限公司 | Master and resource training system based on block chain |
| CN117149769B (en) * | 2023-08-30 | 2024-03-19 | 华中科技大学 | Construction worker occupation archive management method and system based on blockchain |
| CN117411728B (en) * | 2023-12-14 | 2024-02-13 | 成都极数链科技有限公司 | Personnel resume privatization management method, computer equipment and storage medium |
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| CN107832907A (en) * | 2017-09-25 | 2018-03-23 | 中央财经大学 | Students ' behavior information authentication system based on block chain technology |
| CN109102288B (en) * | 2018-08-13 | 2021-03-23 | 浙江大学 | Block chain and big data based employment relationship evaluation and recommendation system |
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| CN109446232A (en) * | 2018-09-28 | 2019-03-08 | 火币（广州）区块链科技有限公司 | A kind of academic approaches to IM of individual based on block chain intelligence contract and system |
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