CN116644130A - Conversation management method and system based on blockchain - Google Patents

Conversation management method and system based on blockchain Download PDF

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Publication number
CN116644130A
CN116644130A CN202210704646.2A CN202210704646A CN116644130A CN 116644130 A CN116644130 A CN 116644130A CN 202210704646 A CN202210704646 A CN 202210704646A CN 116644130 A CN116644130 A CN 116644130A
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CN
China
Prior art keywords
information
blockchain
related information
talking
conversation
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN202210704646.2A
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Chinese (zh)
Inventor
鲁维逸
陈向明
陈威
程宗坤
陈明平
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FUJIAN RONGJI SOFTWARE CO LTD
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FUJIAN RONGJI SOFTWARE CO LTD
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Priority to CN202210704646.2A priority Critical patent/CN116644130A/en
Publication of CN116644130A publication Critical patent/CN116644130A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2455—Query execution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The application relates to the technical field of blockchains, in particular to a conversation management method and system based on a blockchain. The conversation management method based on the block chain comprises the following steps: writing related information into the blockchain in response to the talking information uplink request; and responding to the talking information inquiry request, and acquiring corresponding related information on the blockchain. The method stores the talking information into the blockchain, can effectively ensure that the talking information is not tampered, and can equally initiate talking information inquiry requests by any mechanism in the blockchain system, thereby ensuring that the talking information can be inquired by each mechanism and ensuring the working efficiency.

Description

Conversation management method and system based on blockchain
Technical Field
The application relates to the technical field of blockchains, in particular to a conversation management method and system based on a blockchain.
Background
Blockchain (Blockchain) is a billing technology commonly maintained by multiple parties that uses cryptography to secure transmission and access, enabling consistent storage of data, non-tamperable, and tamper-proof, also known as distributed ledger technology (Distributed Ledger Technology).
In recent years, informatization and networking are realized in most fields, but talking still stays in the traditional stage, handwriting of 'pen + paper' is difficult to preserve and backup, and in addition, ambiguity is easily caused due to the problems of writing habit, unclear writing, easy tampering of data and the like, so that the working requirement of the current department for carrying out case examination and investigation cannot be met.
In addition, the examination of a case often requires cooperation of a plurality of examination departments, and the examination departments are handled in a certain order. The current inspection system cannot ensure that the information of one case is transferred between different inspection departments to obtain the error-free and fairness of the information transfer.
Therefore, how to improve the efficiency in the working process, the error-free performance, the fairness and the like of information transmission in the process are all technical problems to be solved.
Disclosure of Invention
In view of the above, the present application provides a blockchain-based conversation management method for solving the technical problems mentioned in the background art. The specific technical scheme is as follows:
a blockchain-based conversation management method, comprising the steps of:
writing related information into the blockchain in response to the talking information uplink request;
and responding to the talking information inquiry request, and acquiring corresponding related information on the blockchain.
Further, before the response to the talking information uplink request, the method further comprises the steps of:
establishing a talk management blockchain system, the talk management blockchain system comprising: a hospital server node, a public security system server node and a court server node;
the hospital server node is used for responding to the talking information uplink request and synchronizing the related information written into the blockchain to other blockchain nodes in the talking management blockchain system.
Further, the writing of the related information into the blockchain in response to the talking information uplink request specifically further includes:
and verifying the identity authority of an initiator initiating the uplink request, judging whether the initiator has talking information uplink authority, if the initiator has talking information uplink authority, further verifying the identification information of the related information, judging whether the related information is the related information uploaded before, and if the related information is not the related information uploaded before, writing the corresponding related information into a blockchain.
Further, the responding to the talking information inquiry request obtains the corresponding related information on the blockchain, and specifically further includes:
and verifying the identity authority of a query party initiating a query request, judging whether the query party has the talking information query authority, and if the query party has the talking information query authority, acquiring corresponding related information on the blockchain.
Further, the writing the related information into the blockchain further includes:
encrypting the related information through a first preset rule to generate key information, and writing the key information into a blockchain;
the obtaining the corresponding related information on the blockchain further includes:
decrypting the obtained encrypted related information through a second preset rule, and returning the decrypted related information to the inquiring party.
Further, if the key information does not include talking information, the corresponding talking information is queried in the hospital server node through the decrypted identification information.
Further, the method further comprises the steps of:
a conversation information state is acquired in real time or at a timing, and when the conversation information state changes, the conversation information state in the blockchain is defined as being in conversation or ending in conversation based on an intelligent contract, and the updated conversation information state is synchronized to other blockchain nodes in the conversation management blockchain system.
Further, before the writing of the related information into the blockchain, the method further includes the steps of:
acquiring a unique storage address of a talking case on a blockchain;
the writing of the related information into the blockchain further comprises the steps of:
and writing the related information into a unique storage address of the corresponding talking case on the blockchain.
In order to solve the technical problems, the application also provides a talk management system based on block chain, which comprises the following specific technical scheme:
a blockchain-based conversation management system, comprising: the system comprises a response uplink request module, an information writing module, a response information inquiry module and an information return module;
the response uplink request module is used for responding to the talking information uplink request;
the information writing module is used for writing related information into the block chain;
the response information inquiry module is used for responding to the talking information inquiry request;
the information return module is used for acquiring corresponding related information on the block chain.
Further, the method further comprises the following steps: a first authentication module and a second authentication module;
the first verification module is configured to perform identity authority verification on an initiator that initiates a ul request, determine whether the initiator has talk information uplink authority, further verify identification information of the related information if the initiator has talk information uplink authority, determine whether the related information is related information that has been uploaded before, and write corresponding related information into a blockchain if the related information is not related information that has been uploaded before;
the second verification module is configured to perform identity authority verification on a querying party that initiates a query request, determine whether the querying party has a talking information query authority, and if the querying party has the talking information query authority, acquire corresponding related information on the blockchain.
The beneficial effects of the application are as follows: a blockchain-based conversation management method, comprising the steps of: writing related information into the blockchain in response to the talking information uplink request; and responding to the talking information inquiry request, and acquiring corresponding related information on the blockchain. The method stores the talking information into the blockchain, can effectively ensure that the talking information is not tampered, and can equally initiate talking information inquiry requests by any mechanism in the blockchain system, thereby ensuring that the talking information can be inquired by each mechanism and ensuring the working efficiency.
The foregoing summary is merely an overview of the present application, and may be implemented according to the text and the accompanying drawings in order to make it clear to a person skilled in the art that the present application may be implemented, and in order to make the above-mentioned objects and other objects, features and advantages of the present application more easily understood, the following description will be given with reference to the specific embodiments and the accompanying drawings of the present application.
Drawings
The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present application and are not to be construed as limiting the application.
In the drawings of the specification:
FIG. 1 is a flowchart of a blockchain-based conversation management method in accordance with the present application;
FIG. 2 is a flowchart II of a blockchain-based conversation management method in accordance with the present application;
FIG. 3 is a flowchart III of a blockchain-based conversation management method in accordance with the present application;
FIG. 4 is a flowchart diagram of a blockchain-based conversation management method in accordance with the present application;
fig. 5 is a block diagram illustrating a block chain-based conversation management system according to an embodiment.
Reference numerals referred to in the above drawings are explained as follows:
500. a talk management system based on a blockchain,
501. in response to the uplink request module,
502. the information is written into the module by the information writing module,
503. in response to the information query module,
504. and (5) information return module.
Detailed Description
In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present application in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only for more clearly illustrating the technical aspects of the present application, and thus are only exemplary and not intended to limit the scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment may be combined in any manner to form a corresponding implementable technical solution.
Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the purpose of describing particular embodiments only and is not intended to limit the application.
In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, which means that three relationships may exist, for example a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.
In the present application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.
Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this specification is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.
In the present application, the expressions "greater than", "less than", "exceeding", etc. are understood to exclude this number; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of" and the like, unless specifically defined otherwise.
As mentioned in the background art, how to improve efficiency in working process, and no error and fairness of information transmission in process are all technical problems to be solved. Therefore, the application can carry out safety protection, tamper prevention and audit trace of data operation on the electronic data in the whole life cycle of generating, collecting, transmitting and storing the talking management electronic data by utilizing the blockchain and the expansion technology thereof, thereby providing an effective means for relevant institutions to examine.
A description will be given below of a specific embodiment of a blockchain-based conversation management method with reference to fig. 1 to 4.
Fig. 1 shows a flowchart of a blockchain-based conversation management method, as shown in fig. 1, including steps S101 to S104.
In step S101, a talk information uplink request is responded to. It should be noted that, before step S101, a talking management blockchain system needs to be established, and the talking management blockchain system includes: a hospital server node, a public security system server node and a court server node; the hospital server node is used for responding to the talking information uplink request and synchronizing the related information written into the blockchain to other blockchain nodes in the talking management blockchain system.
In an actual application scenario, when a change related to the talking information occurs in the hospital server node, such as a new talking information is added, or an inherent talking information is changed, or a talking information is deleted, the corresponding state is immediately synchronized to other blockchain nodes in the talking management blockchain system, and a next data blockchain is generated for recording the change of the talking information, so that the subsequent tracing is facilitated.
In step S102, related information is written into the blockchain.
In steps S101 to S102, not any initiator initiates a talk information uplink request, but the talk information uplink request may be successfully written into the blockchain. The identity authority of the initiator and the like are also required to be verified. Fig. 2 shows a specific verification process. The steps S202-S203 in fig. 2 are the same as the steps S103-S104, so that the description is not repeated.
In step S201, identity authority verification is performed on the initiator that initiates the uplink request, it is determined whether the initiator has talk information uplink authority, if the initiator has talk information uplink authority, further verification is performed on the identification information of the related information, it is determined whether the related information is related information that has been uploaded before, and if the related information is not related information that has been uploaded before, the corresponding related information is written into the blockchain.
Wherein the content of the related information is divided into two cases:
1. the related information directly contains talking information content;
2. in some application scenarios, the relevant information does not directly include the talking information content, but includes identification information that can uniquely identify the talking information content, considering that the talking information content may occupy more memory space. While the original contents of the conversation information are still stored in the other servers, when the conversation information contents are subsequently acquired, the corresponding conversation information contents can be acquired by the identification information.
Wherein the conversation information content includes, but is not limited to: case information, case related person information, talk registration information, electronic pen information. The case information includes, but is not limited to: case name, case number, case handling department, case cover, case type, case level, case state, and brief case; the case related information includes, but is not limited to: name, gender, date of birth, certificate number, unit, contact phone, present address, type of person involved, etc.; the conversation registration information includes, but is not limited to: case name, room name, talking object, talking times, start time, end time, etc.
In practical application, because some people with special mind can modify talking information or upload false talking information to the blockchain, the identity authority of the initiator needs to be verified, and the legal initiator without the identity authority verification can upload related information, in order to avoid repeating the uploading of the same related information, the uploaded related information is also judged, and as long as the uploading of the same related information is not repeated, new related information is successfully written into the blockchain.
The identification information of the related information can be generated by a time stamp uploaded by the conversation information and a corresponding code number of the initiator (each initiator has a respective code number and is different from each other), and each identification information can uniquely correspond to one conversation information.
In step S103, a talking information inquiry request is responded to.
In step S104, corresponding related information on the blockchain is acquired.
In step S103 to step S104, not any inquirer can inquire about the relevant information. Fig. 3 shows the verification process of its query. The steps S301 to S302 are the same as the steps S101 to S102, and will not be repeated here.
In step S303, identity authority verification is performed on the querying party that initiates the query request, and it is determined whether the querying party has the talking information querying authority, and if the querying party has the talking information querying authority, corresponding relevant information on the blockchain is obtained.
In practical applications, the permission of the different institutions to query the talking information is different, which further relates to different permission levels, for example, the institution a can query the whole content of the talking information, and the institution B can query only part of the content, so that further judgment on the permission level is needed, and corresponding related information is returned in a targeted manner. Of course, before this, the contents of the talking information corresponding to the different rights are stored in the corresponding server in the form of a table.
As mentioned above, if the relevant information does not directly include the talking information content, the talking information content needs to be retrieved by the identification information to the corresponding server.
In some embodiments, further, to further ensure that the content of the relevant information is not exposed by theft. As shown in fig. 4, step S102 specifically further includes step S402: and encrypting the related information through a first preset rule to generate key information, and writing the key information into the blockchain. Step S104 specifically further includes step S404: decrypting the obtained encrypted related information through a second preset rule, and returning the decrypted related information to the inquiring party.
The related information can be
The first preset rule may be: the related information is encrypted by a preset public key to generate key information, and the second preset rule can be that the related information is decrypted by a preset corresponding private key. Wherein the public and private keys are issued to the authorities with authority in advance.
The steps S401 and S403 are the same as the steps S101 and S103, and will not be repeated here.
In some embodiments, the method further comprises the step of: a conversation information state is acquired in real time or at a timing, and when the conversation information state changes, the conversation information state in the blockchain is defined as being in conversation or ending in conversation based on an intelligent contract, and the updated conversation information state is synchronized to other blockchain nodes in the conversation management blockchain system. Timely follow-up and synchronization of the conversation information state progress can maximize case processing efficiency.
In some embodiments, before writing the related information into the blockchain, the method further includes the steps of: acquiring a unique storage address of a talking case on a blockchain; the writing of the related information into the blockchain further comprises the steps of: and writing the related information into a unique storage address of the corresponding talking case on the blockchain. Therefore, the content of the same talking case can be stored in the same storage address, and the follow-up tracing is facilitated.
By storing the talking information into the blockchain by the method, the talking information can be effectively prevented from being tampered, and any mechanism in the blockchain system can equally initiate the talking information inquiry request, thereby ensuring that the talking information can be inquired by each mechanism and ensuring the working efficiency.
In the actual application scene: in the prior art, when a case is executed, the next department needs to wait for the data of the previous department to be processed completely, and then the corresponding data can be seen, which often results in low processing efficiency of the case and cannot guarantee the safety of the data in the transmission process.
Referring now to fig. 5, a description will be given of an embodiment of a blockchain-based conversation management system 500:
a blockchain-based conversation management system 500, comprising: a response uplink request module 501, an information writing module 502, a response information inquiry module 503 and an information return module 504;
the response uplink request module 501 is configured to respond to a talking information uplink request;
the information writing module 502 is configured to write related information into a blockchain;
the response information query module 503 is configured to respond to a talking information query request;
the information return module 504 is configured to obtain corresponding related information on the blockchain.
Further, the method further comprises the following steps: a first authentication module and a second authentication module;
the first verification module is configured to perform identity authority verification on an initiator that initiates a ul request, determine whether the initiator has talk information uplink authority, further verify identification information of the related information if the initiator has talk information uplink authority, determine whether the related information is related information that has been uploaded before, and write corresponding related information into a blockchain if the related information is not related information that has been uploaded before;
the second verification module is configured to perform identity authority verification on a querying party that initiates a query request, determine whether the querying party has a talking information query authority, and if the querying party has the talking information query authority, acquire corresponding related information on the blockchain.
Further, the information writing module 502 is further configured to encrypt related information according to a first preset rule to generate key information, and write the key information into the blockchain. The information return module 504 is further configured to decrypt the obtained encrypted related information according to a second preset rule, and return the decrypted related information to the querying party.
Further, if the key information does not include talking information, the corresponding talking information is queried in the hospital server node through the decrypted identification information.
Further, an information synchronization module is included for acquiring a conversation information state in real time or at a fixed time, defining the conversation information state in the blockchain as being in or ending the conversation based on a smart contract when the conversation information state changes, and synchronizing the updated conversation information state to other blockchain nodes in the conversation management blockchain system.
Further, the information writing module 502 is further configured to write the relevant information into a unique storage address of the corresponding talking case on the blockchain.
Through the above management system 500, the conversation information is stored in the blockchain, so that the conversation information is effectively ensured not to be tampered, and any mechanism in the blockchain system can equally initiate a conversation information inquiry request, so that the conversation information can be inquired by each mechanism, and the working efficiency is ensured.
Finally, it should be noted that, although the embodiments have been described in the text and the drawings, the scope of the application is not limited thereby. The technical scheme generated by replacing or modifying the equivalent structure or equivalent flow by utilizing the content recorded in the text and the drawings of the specification based on the essential idea of the application, and the technical scheme of the embodiment directly or indirectly implemented in other related technical fields are included in the patent protection scope of the application.

Claims (10)

1. A blockchain-based conversation management method, comprising the steps of:
writing related information into the blockchain in response to the talking information uplink request;
and responding to the talking information inquiry request, and acquiring corresponding related information on the blockchain.
2. The blockchain-based conversation management method of claim 1, further comprising the step of, prior to said responding to a conversation information uplink request:
establishing a talk management blockchain system, the talk management blockchain system comprising: a hospital server node, a public security system server node and a court server node;
the hospital server node is used for responding to the talking information uplink request and synchronizing the related information written into the blockchain to other blockchain nodes in the talking management blockchain system.
3. The blockchain-based conversation management method of claim 1 wherein the writing of relevant information into the blockchain in response to a conversation information uplink request, in particular further comprises:
and verifying the identity authority of an initiator initiating the uplink request, judging whether the initiator has talking information uplink authority, if the initiator has talking information uplink authority, further verifying the identification information of the related information, judging whether the related information is the related information uploaded before, and if the related information is not the related information uploaded before, writing the corresponding related information into a blockchain.
4. The blockchain-based conversation management method of claim 1, wherein the responding to the conversation information query request obtains corresponding related information on the blockchain, and specifically further comprising:
and verifying the identity authority of a query party initiating a query request, judging whether the query party has the talking information query authority, and if the query party has the talking information query authority, acquiring corresponding related information on the blockchain.
5. A blockchain-based conversation management method as in any of claims 1-4 wherein the writing of related information into the blockchain further comprises:
encrypting the related information through a first preset rule to generate key information, and writing the key information into a blockchain;
the obtaining the corresponding related information on the blockchain further includes:
decrypting the obtained encrypted related information through a second preset rule, and returning the decrypted related information to the inquiring party.
6. The blockchain-based conversation management method of claim 5, wherein if the key information does not include conversation information, the corresponding conversation information is queried at the hospital server node by the decrypted identification information.
7. A blockchain-based conversation management method as in any of claims 1 to 4 further comprising the steps of:
a conversation information state is acquired in real time or at a timing, and when the conversation information state changes, the conversation information state in the blockchain is defined as being in conversation or ending in conversation based on an intelligent contract, and the updated conversation information state is synchronized to other blockchain nodes in the conversation management blockchain system.
8. The blockchain-based conversation management method of claim 1, further comprising the step of, prior to writing the related information into the blockchain:
acquiring a unique storage address of a talking case on a blockchain;
the writing of the related information into the blockchain further comprises the steps of:
and writing the related information into a unique storage address of the corresponding talking case on the blockchain.
9. A blockchain-based conversation management system, comprising: the system comprises a response uplink request module, an information writing module, a response information inquiry module and an information return module;
the response uplink request module is used for responding to the talking information uplink request;
the information writing module is used for writing related information into the block chain;
the response information inquiry module is used for responding to the talking information inquiry request;
the information return module is used for acquiring corresponding related information on the block chain.
10. The blockchain-based conversation management system of claim 9, further comprising: a first authentication module and a second authentication module;
the first verification module is configured to perform identity authority verification on an initiator that initiates a ul request, determine whether the initiator has talk information uplink authority, further verify identification information of the related information if the initiator has talk information uplink authority, determine whether the related information is related information that has been uploaded before, and write corresponding related information into a blockchain if the related information is not related information that has been uploaded before;
the second verification module is configured to perform identity authority verification on a querying party that initiates a query request, determine whether the querying party has a talking information query authority, and if the querying party has the talking information query authority, acquire corresponding related information on the blockchain.
CN202210704646.2A 2022-06-21 2022-06-21 Conversation management method and system based on blockchain Pending CN116644130A (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210704646.2A CN116644130A (en) 2022-06-21 2022-06-21 Conversation management method and system based on blockchain

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