CN114169853A - Block chain based distributed salary settlement system and method thereof - Google Patents
Block chain based distributed salary settlement system and method thereof Download PDFInfo
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Abstract
The invention discloses a block chain-based distributed compensation settlement system and a method thereof, wherein the method comprises the following steps: building block chain network between the paying enterprise, the payment generation enterprise and the bank; the salary enterprise generates salary information and generates a public key and a private key pair which are only used by the salary information at the current time; the salary information of each employee and the current salary total are encrypted and then submitted to the block chain network together with the plaintext information of the current salary total; the generation salary enterprise checks the salary information; and the bank receives the request of the salary enterprise, decrypts and verifies the salary information by using the public key for encryption, if the verification is passed, salary is issued, and the salary issuing request is marked to be completed. The distributed salary settlement system is constructed by adopting a block chain technology, the authenticity of data is checked by carrying out multiple audits on the salary information, the error input of a filling and reporting end is avoided, and the accuracy of the salary is improved.
Description
Technical Field
The invention relates to the technical field of salary settlement, in particular to a distributed salary settlement system and a distributed salary settlement method based on a block chain.
Background
Payroll management is an important part of company management. As the number of business personnel increases, the payroll management efforts for businesses also become more complex. Payroll management is both related to the management of enterprise labor and is an important component of enterprise financial management. The payroll management needs to be related to personnel management, and simultaneously, work hour attendance, medical insurance and the like are connected to generate basic payroll, allowance, medical insurance, insurance fee, actual payroll and the like of each employee of the enterprise. Early payroll statistics and distribution are performed by manually processing paper materials, so that a great deal of time is spent by financial staff, the paper materials are not easy to store, and the phenomenon of errors in payroll distribution is caused by careless transcription or calculation negligence of personal factors. Thus, many businesses typically seek partners, such as banks, to pay for the business employee's generation.
At present, a secondary payment partner directly transfers payroll to an account of an employee according to an employee payroll of an enterprise, and lacks an auditing process, so that secondary payment errors are likely to be caused, such as the problems of inconsistency of payroll grade with employee positions, payroll tax deduction errors and the like, the multiple or less payment needs to be returned or reissued in the next or subsequent payroll issuing, and the loss of a company can be caused if the multiple or less payment is not returned or reissued. In addition, the tax problem related to the amount to be recovered or reissued must be considered when the subsequent compensation or reissue of the payroll, so as to avoid repeated tax deduction or tax omission. At present, when the missed paid salaries are added into the next salaries or the multiple salaries are deducted from the next salaries, the salary share for paying tax needs to be manually re-counted, and the system is recorded after counting, the post-tax salaries are issued after the system normally deducts money, the manual counting efficiency is low, and errors are easy to generate. Therefore, how to issue correct salaries for enterprises becomes a problem to be solved urgently for the generation and payment cooperative.
Meanwhile, because the salary, account and tax information in the agent payroll information also belongs to personal sensitive information, enterprises are not willing to reveal sensitive information too much for paying partners, and risks are brought to data security of the enterprises. It is also necessary to explore how salary generation is performed without revealing sensitive information.
Disclosure of Invention
The invention aims to provide a block chain-based distributed salary settlement system, which solves the problem of how to accurately issue salaries for enterprises, improves the accuracy and efficiency of salary issuance, avoids sensitive information in salary information from being leaked to a salary issuer through homomorphic encryption, records salary issuance details each time on a block chain network, and can trace data and avoid disputes.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, a block chain-based distributed compensation settlement method is provided, which includes the following steps:
s10, building block chain network between the paying enterprise, the generation paying enterprise and the bank through block chain technique;
s20, the salary enterprise generates salary information which includes salary information of each employee and current salary total, and generates public key and private key pair only used by current salary information;
s30, encrypting the salary information of each employee and the current salary total, submitting the encrypted salary information to the block chain network, and simultaneously submitting the plaintext information of the current salary total to the block chain network, wherein the block chain network generates a salary issuing request;
s40, after receiving the salary sending request, the salary generation enterprise checks the salary information, and after the salary sending request passes the check, the salary generation enterprise generates salary sending confirmation information;
s50, after receiving the salary issuance confirmation information, the bank requests the salary issuing enterprise to use the encrypted public key, the salary issuing enterprise transmits the public key to the bank through a block chain by adopting a private data mode, after obtaining the public key, the bank decrypts and verifies the salary issuance information, if the verification is passed, the salary issuance is carried out, and the salary issuance request is marked to be completed.
As a preferred scheme of the distributed compensation settlement method based on the block chain, in step S30, compensation information of each employee and the current salary total adopt homomorphic encryption satisfying addition, that is:
the encrypted compensation (employee 1) + the encrypted compensation (employee 2) + the encrypted compensation (…) is the total amount of the encrypted compensation.
As a preferred scheme of the block chain-based distributed compensation settlement method, in step S40, the generation salary enterprise checks salary information:
the first check condition is that whether the encrypted payment sum of each employee is equal to the encrypted current total amount of payment after being added is:
the encrypted salary (employee 1) + the encrypted salary (employee 2) + the encrypted salary (…) being the total amount of the current salary encrypted;
the second checking condition is whether the current total amount of the plaintext information is within the range of the salary amount signed by the salary enterprise, namely:
the current salary total of the plaintext information is less than or equal to the salary amount range;
if the first check condition and the second check condition are met, the generation salary enterprise passes the verification of the salary issuing request and generates a salary issuing confirmation message.
As a preferred solution of the block chain based distributed compensation settlement method, in step S50, the bank decrypts and verifies the salary information:
the first verification condition is whether the result of the decryption of the current salary sum is equal to the current salary sum of the plaintext information, namely:
the result after the salary total amount is decrypted is the salary total amount of the plain text information;
the second verification condition is that whether the sum of the decrypted payment amount of each employee is equal to the current payment total amount of the plaintext information, namely:
the decrypted salary (employee 1) + the decrypted salary (employee 2) + the decrypted salary (…) is the current salary total of the plaintext information;
if the two verifications are passed, the bank issues the salary and marks that the salary issuing request is completed.
As a preferred scheme of the block chain-based distributed compensation settlement method, the compensation information of each employee includes an employee name, identity information, account information, and an issued compensation amount.
In another aspect, a block chain based distributed compensation settlement system is provided, including:
the block chain network is established among a paying enterprise, a secondary paying enterprise and a bank, the block chain network comprises an object node arranged in the paying enterprise and a secondary paying node arranged in the secondary paying enterprise, and the secondary paying node is connected with a bank interface;
the object node is used for receiving salary information of a salary enterprise and encrypting the salary information, wherein the salary information comprises salary information of each employee and current salary total amount;
the generation salary node is used for receiving a salary issuing request of the object node and checking the salary information;
the bank interface is used for receiving salary issuing confirmation information of the generation salary issuing node, decrypting and verifying the salary issuing confirmation information, issuing salary after verification is passed, and marking the completion of the salary issuing request.
As a preferred embodiment of the block chain-based distributed compensation settlement system, the object node includes:
the attendance checking system comprises an attendance checking module, a processing module and a processing module, wherein the attendance checking module is used for generating and storing attendance checking information, and the attendance checking module is used for responding to a first condition and broadcasting the attendance checking information, and the first condition is one or more of a specified time, a specified period and a specified instruction;
the performance module is used for generating performance information according to the attendance information, and the performance module is used for responding to a second condition and broadcasting the performance information, wherein the second condition is one or more of a specified time, a specified period and a specified instruction;
the salary module is used for generating salary information according to the attendance information and the performance information, responding to a third condition, and broadcasting the salary information, wherein the third condition is one or more of a specified time, a specified period and a specified instruction;
the first auditing module is used for auditing the identity information, salary information and account information of the salary object in the received salary information;
and the encryption module is used for generating a public key and a private key pair only used by the current salary information and encrypting the salary information.
As a preferred solution to the block chain based distributed compensation settlement system, the generation payroll node comprises:
the second auditing module is used for auditing the salary information of the salary enterprise;
and the generating module generates salary issuing confirmation information according to the auditing result of the second auditing module and sends the salary issuing confirmation information to the bank interface.
As a preferred scheme of the distributed compensation settlement system based on the block chain, the first auditing module comprises a standard auditing unit and a fluctuation auditing unit, and the salary information enters the fluctuation auditing unit for auditing after being approved and qualified by the standard auditing unit.
As a preferred scheme of the distributed salary settlement system based on the block chain, the standard auditing unit comprises a standard database, and the standard database stores preset fixed salaries, preset attendance time and preset performance k; the fluctuation auditing unit comprises a fluctuation database, and the fluctuation database stores the historical performance, the contemporaneous average performance and the annual average performance, and the department historical performance, the contemporaneous average performance and the annual average performance.
The invention has the beneficial effects that:
(1) the block chain network is constructed among the paying enterprises, the generation paying enterprises and the banks by adopting the block chain technology, the authenticity of data is further checked by carrying out multiple audits on the identity information, the paying amount, the collection account and other information of a paying object, the error input of a filling end is avoided, and the traceability is realized, so that the problem of errors in generation paying is effectively avoided, and the accuracy of generation paying is improved;
(2) the salary information of the invention adopts homomorphic encryption on one hand to avoid sensitive information in the salary information from being leaked to a salary generation party, and on the other hand, all the salary information is recorded in the block chain, so that the salary information has non-tamper property, the reliability of salary generation is improved, and for a salary generation enterprise, the labor cost, the time cost and the money cost of salary accounting are saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a flowchart illustrating a block chain-based distributed compensation settlement method according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a block chain-based distributed compensation settlement system according to an embodiment of the present invention.
In fig. 2:
1. an object node; 11. an attendance module; 12. a performance module; 13. a compensation module; 14. a first audit module; 15. an encryption module;
2. a generation salary node; 21. a second review module; 22. a generation module;
3. and (4) banks.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the present invention provides a block chain based distributed compensation settlement method, which includes the following steps:
s10, building block chain network between the paying enterprise, the generation paying enterprise and the bank 3 through block chain technology;
s20, the salary enterprise generates salary information which includes salary information of each employee and current salary total, and generates public key and private key pair only used by current salary information;
the salary information of each employee comprises employee names, identity information, account information and issued salary amount;
salary information table of salary enterprise
S30, submitting salary information of each employee and the current salary total to the blockchain network after homomorphic encryption satisfying addition, and simultaneously submitting plaintext information of the current salary total to the blockchain network, and the blockchain network generates a salary issuing request;
the homomorphic encryption algorithm is as follows:
the encrypted compensation (employee 1) + the encrypted compensation (employee 2) + the encrypted compensation (…) being the total amount of the encrypted compensation;
s40, after receiving the salary sending request, the salary enterprise checks the salary information:
the first check condition is that whether the encrypted payment sum of each employee is equal to the encrypted current total amount of payment after being added is:
the encrypted salary (employee 1) + the encrypted salary (employee 2) + the encrypted salary (…) being the total amount of the current salary encrypted;
the second checking condition is whether the current total amount of the plaintext information is within the range of the salary amount signed with the salary enterprise, namely:
the current salary total of the plaintext information is less than or equal to the salary amount range;
if the first check condition and the second check condition are met, the salary issuing enterprise passes the verification of the salary issuing request and generates a salary issuing confirmation message;
s50, after receiving the salary issuing confirmation information, the bank 3 requests the salary enterprise to use the public key for encryption, the salary enterprise transmits the public key to the bank 3 through the block chain in a private data mode, and after obtaining the public key, the bank 3 decrypts and verifies the salary information:
the first verification condition is whether the result of the decryption of the current salary sum is equal to the current salary sum of the plaintext information, namely:
the result after the salary total amount is decrypted is the salary total amount of the plain text information;
the second verification condition is that whether the sum of the decrypted payment amount of each employee is equal to the current payment total amount of the plaintext information, namely:
the decrypted salary (employee 1) + the decrypted salary (employee 2) + the decrypted salary (…) is the current salary total of the plaintext information;
if the two verifications are passed, the bank 3 issues the salary and marks that the salary issuing request is completed.
The salary information of the invention adopts homomorphic encryption on one hand to avoid sensitive information in the salary information from being leaked to a salary generation party, and on the other hand, all the salary information is recorded in the block chain, so that the salary information has non-tamper property, the reliability of salary generation is improved, and for a salary generation enterprise, the labor cost, the time cost and the money cost of salary accounting are saved.
As shown in fig. 2, the present invention further provides a block chain-based distributed compensation settlement system, for implementing the compensation settlement method, including:
the block chain network is established among a paying enterprise, a secondary paying enterprise and a bank 3, the block chain network comprises an object node 1 arranged in the paying enterprise and a secondary paying node 2 arranged in the secondary paying enterprise, and the secondary paying node 2 is connected with the bank 3 through an interface;
the object node 1 is used for receiving salary information of a salary enterprise and encrypting the salary information, wherein the salary information comprises salary information of each employee and current salary total amount;
the salary generation node 2 is used for receiving the salary issuing request of the object node 1 and checking the salary information;
the interface of the bank 3 is used for receiving salary issuing confirmation information of the salary issuing node 2, decrypting and verifying the salary issuing confirmation information, issuing salary after verification is passed, and marking the completion of the salary issuing request.
Specifically, the object node 1 includes:
the attendance module 11 is used for generating and storing attendance information, and the attendance module 11 responds to a first condition and broadcasts the attendance information; the first condition may be a time condition, for example, n days before a salary day is calculated every month, a periodic condition, for example, one time per month, or an instruction condition, for example, when the object node 1 needs attendance information, the object node 1 sends an instruction to the attendance module 11 to instruct the object node to broadcast the attendance information.
The performance module 12 is used for generating performance information according to the attendance information, and the performance module 12 is used for responding to a second condition and broadcasting the performance information; likewise, the second condition may be a time or cycle or instruction condition.
The salary module 13 is used for generating salary information according to the attendance information and the performance information, and the salary module 13 is used for responding to a third condition and broadcasting the salary information; likewise, the third condition may be a time or cycle or instruction condition.
When the first condition, the second condition and the third condition are time or periods, the time or periods of the first condition, the second condition and the third condition are different, so that data transmission congestion is avoided, and the data processing pressure of the object node 1 is relieved;
the first auditing module 14 is configured to audit the identity information, salary information and account information of the salary object in the received salary information;
and the encryption module 15 is used for generating a public key and a private key pair only used by the current salary information, and encrypting the salary information.
More specifically, the first auditing module 14 includes a standard auditing unit and a fluctuation auditing unit, and the commission amount is passed through the standard auditing unit and then passed through the fluctuation auditing unit for auditing.
The standard auditing unit comprises a standard database, wherein a preset fixed salary, preset attendance time and a preset performance k are stored in the standard database; and if the fixed salary in the salary object is not more than the corresponding item preset, and the attendance time in the attendance information and the performance in the performance information are not less than the corresponding item preset, the result is qualified. The unqualified information is correspondingly returned to the salary enterprise for manual analysis and correction until the qualified information is obtained.
The fluctuation auditing unit comprises a fluctuation database, wherein the fluctuation database stores historical month performance, contemporaneous average performance and previous year average performance, and department historical month performance, contemporaneous average performance and previous year average performance; the fluctuation auditing unit sets a fluctuation range by referring to the data information of the fluctuation database, checks the performance information of the salary object, judges whether the performance information is in the fluctuation range, and if the performance information is in the fluctuation range, the performance is qualified. Unqualified performance information is returned to the salary enterprise for manual analysis, and whether data errors occur is judged.
More specifically, the attendance module 11 includes:
the first acquisition unit is used for acquiring a first image, wherein the first image is an image of a specific environment within the attendance checking time;
the second acquisition unit is used for acquiring a second image with a time stamp, wherein the second image comprises a human face and a specific environment;
and the generating unit is used for extracting the features from the second image to be matched with the first image when the time stamp of the second image is within the attendance checking time, and generating attendance checking information when the matching is successful.
The specific environment is an environment within an attendance checking range to judge whether the employee is within the attendance checking range, and the specific environment can be an environment within a company. Meanwhile, a specific identifier is preferably set in the specific environment according to different attendance checking times, for example, different projection graphs are set on different dates to obtain the specific environment image in the attendance checking time, so that the environment has identification characteristics and correspondence to the attendance checking time. And uploading the group photo of the employee in the specific environment during attendance checking, judging through the timestamp of the second image, comparing the characteristics in the next step within the attendance checking time, and when the face information in the second image is matched with the attendance checking identifier and the environment information is matched with the first image, indicating that the attendance checking of the employee is successful.
Specifically, the generation salary node 2 includes:
the second auditing module 21, the second auditing module 21 is used for verifying the salary information of the salary enterprise;
and the generating module 22, the generating module 22 generates a salary issuance confirmation message according to the auditing result of the second auditing module 21, and sends the salary issuance confirmation message to the bank 3 interface.
The invention adopts the block chain technology to construct the block chain network between the paying enterprises, the generation paying enterprises and the bank 3, and further checks the authenticity of data by carrying out multiple audits on the identity information, the paying amount, the collection account and other information of a paying object, thereby avoiding the error input of a filling end and having traceability, thereby effectively avoiding the problem of error generation paying and improving the accuracy of generation paying.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (10)
1. A distributed salary settlement method based on a block chain is characterized by comprising the following steps:
s10, building block chain network between the paying enterprise, the generation paying enterprise and the bank through block chain technique;
s20, the salary enterprise generates salary information which includes salary information of each employee and current salary total, and generates public key and private key pair only used by current salary information;
s30, encrypting the salary information of each employee and the current salary total, submitting the encrypted salary information to the block chain network, and simultaneously submitting the plaintext information of the current salary total to the block chain network, wherein the block chain network generates a salary issuing request;
s40, after receiving the salary sending request, the salary generation enterprise checks the salary information, and after the salary sending request passes the check, the salary generation enterprise generates salary sending confirmation information;
s50, after receiving the salary issuance confirmation information, the bank requests the salary issuing enterprise to use the encrypted public key, the salary issuing enterprise transmits the public key to the bank through a block chain by adopting a private data mode, after obtaining the public key, the bank decrypts and verifies the salary issuance information, if the verification is passed, the salary issuance is carried out, and the salary issuance request is marked to be completed.
2. The distributed compensation settlement method of claim 1, wherein in step S30, compensation information of each employee and the current salary total are encrypted with homomorphic encryption satisfying the addition, that is:
the encrypted compensation (employee 1) + the encrypted compensation (employee 2) + the encrypted compensation (…) is the total amount of the encrypted compensation.
3. The block chain-based distributed compensation settlement method of claim 1, wherein in step S40, the generation salary enterprise checks the salary information:
the first check condition is that whether the encrypted payment sum of each employee is equal to the encrypted current total amount of payment after being added is:
the encrypted salary (employee 1) + the encrypted salary (employee 2) + the encrypted salary (…) being the total amount of the current salary encrypted;
the second checking condition is whether the current total amount of the plaintext information is within the range of the salary amount signed by the salary enterprise, namely:
the current salary total of the plaintext information is less than or equal to the salary amount range;
if the first check condition and the second check condition are met, the generation salary enterprise passes the verification of the salary issuing request and generates a salary issuing confirmation message.
4. The block chain-based distributed compensation settlement method of claim 1, wherein in step S50, the bank decrypts and verifies the compensation information:
the first verification condition is whether the result of the decryption of the current salary sum is equal to the current salary sum of the plaintext information, namely:
the result after the salary total amount is decrypted is the salary total amount of the plain text information;
the second verification condition is that whether the sum of the decrypted payment amount of each employee is equal to the current payment total amount of the plaintext information, namely:
the decrypted salary (employee 1) + the decrypted salary (employee 2) + the decrypted salary (…) is the current salary total of the plaintext information;
if the two verifications are passed, the bank issues the salary and marks that the salary issuing request is completed.
5. The blockchain-based distributed compensation settlement system of claim 1, wherein the compensation information of each employee includes employee name, identity information, account information and issued compensation amount.
6. A block chain-based distributed compensation settlement system for implementing the compensation settlement method according to any one of claims 1 to 5, comprising:
the block chain network is established among a paying enterprise, a secondary paying enterprise and a bank, the block chain network comprises an object node arranged in the paying enterprise and a secondary paying node arranged in the secondary paying enterprise, and the secondary paying node is connected with a bank interface;
the object node is used for receiving salary information of a salary enterprise and encrypting the salary information, wherein the salary information comprises salary information of each employee and current salary total amount;
the generation salary node is used for receiving a salary issuing request of the object node and checking the salary information;
the bank interface is used for receiving salary issuing confirmation information of the generation salary issuing node, decrypting and verifying the salary issuing confirmation information, issuing salary after verification is passed, and marking the completion of the salary issuing request.
7. The block chain based distributed compensation settlement system of claim 6, wherein the object node comprises:
the attendance checking system comprises an attendance checking module, a processing module and a processing module, wherein the attendance checking module is used for generating and storing attendance checking information, and the attendance checking module is used for responding to a first condition and broadcasting the attendance checking information, and the first condition is one or more of a specified time, a specified period and a specified instruction;
the performance module is used for generating performance information according to the attendance information, and the performance module is used for responding to a second condition and broadcasting the performance information, wherein the second condition is one or more of a specified time, a specified period and a specified instruction;
the salary module is used for generating salary information according to the attendance information and the performance information, responding to a third condition, and broadcasting the salary information, wherein the third condition is one or more of a specified time, a specified period and a specified instruction;
the first auditing module is used for auditing the identity information, salary information and account information of the salary object in the received salary information;
and the encryption module is used for generating a public key and a private key pair only used by the current salary information and encrypting the salary information.
8. The blockchain-based distributed compensation settlement system of claim 7, wherein the brokering payroll node comprises:
the second auditing module is used for auditing the salary information of the salary enterprise;
and the generating module generates salary issuing confirmation information according to the auditing result of the second auditing module and sends the salary issuing confirmation information to the bank interface.
9. The block chain-based distributed compensation settlement system of claim 8, wherein the first auditing module comprises a standard auditing unit and a fluctuation auditing unit, and the payroll information is passed through the standard auditing unit and then enters the fluctuation auditing unit for auditing.
10. The blockchain-based distributed compensation settlement system of claim 9, wherein the standard auditing unit includes a standard database in which a preset fixed salary, a preset attendance time and a preset performance k are stored; the fluctuation auditing unit comprises a fluctuation database, and the fluctuation database stores the historical performance, the contemporaneous average performance and the annual average performance, and the department historical performance, the contemporaneous average performance and the annual average performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111453306.9A CN114169853A (en) | 2021-12-01 | 2021-12-01 | Block chain based distributed salary settlement system and method thereof |
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| CN202111453306.9A CN114169853A (en) | 2021-12-01 | 2021-12-01 | Block chain based distributed salary settlement system and method thereof |
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