CN113438293A - Service system, method, device and storage medium based on block chain - Google Patents
Service system, method, device and storage medium based on block chain Download PDFInfo
- Publication number
- CN113438293A CN113438293A CN202110691931.0A CN202110691931A CN113438293A CN 113438293 A CN113438293 A CN 113438293A CN 202110691931 A CN202110691931 A CN 202110691931A CN 113438293 A CN113438293 A CN 113438293A
- Authority
- CN
- China
- Prior art keywords
- user
- node
- module
- client
- private key
- Prior art date
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Abstract
The application relates to the technical field of block chains, and discloses a service system, a method, equipment and a storage medium based on the block chains, wherein the system comprises: at least two client side blockchain nodes and at least one service side blockchain node; all client-side block chain nodes and all service-side block chain nodes are in communication connection through a block chain network; the client-side block chain node is used for accessing the user data of a single user; and the service-side blockchain node is used for providing service for the client-side blockchain node, recording the user data of all the client-side blockchain nodes and monitoring the change of the user data of all the client-side blockchain nodes. Therefore, real-time calculation can be carried out, the calculation is moved forward to the client-side block chain node, and the problems of slow calculation response and time difference of calculation results are solved; and because the block chain node at the service end does not need a large amount of calculation data, the problems of high calculation resource cost and slow calculation response are avoided.
Description
Technical Field
The present application relates to the field of blockchain technologies, and in particular, to a service system, a method, a device, and a storage medium based on blockchain.
Background
Most service systems at present adopt a mode of calculating data by a server and displaying data by a client, and data of all clients need to be concentrated into a background system of the server for unified processing, so that the mode has the characteristics of simple development service logic, high data security and the like, but also brings many defects: (1) the computing resource overhead is large: all client data are processed in a centralized and unified manner at a server, data needing to be calculated are firstly found from massive data during calculation, the accuracy of the data is maintained in the massive data after the calculation is finished, the process already needs not small calculation resource expenditure, and the calculation resource expenditure of the degree is generated in large quantity at every moment, so that the calculation resource expenditure can be met only by needing very expensive hardware resources; (2) slow calculation response: a computing request initiated by a client in a service system usually needs to pass through a very multi-level network to finally reach a server, computing resources of the server are tight in a peak time period, so that the computing request needs to be queued, and a result still needs to be forwarded through the multi-level network to return to the client after computing is completed, so that the midway time lapse is possibly large, and the caused client experience is possibly poor; (3) the calculation result has a time difference: when the server side intensively and uniformly processes the client data, the data volume is large, and the client data is usually in a night batch form, so that the service system needs to obtain a calculation result in T +1(T is a calculated date) or even T +2 days, and the business opportunity is probably missed due to the time difference.
Disclosure of Invention
The application mainly aims to provide a service system, a method, equipment and a storage medium based on a block chain, and aims to solve the technical problems that in the prior art, the service system adopts a mode that a server calculates data and a client displays the data, and the data of all clients needs to be centralized in a background system of the server for uniform processing, so that the calculation resource overhead is large, the calculation response is slow, and the calculation result has time difference.
In order to achieve the above object, the present application provides a service system based on a block chain, including: at least two client side blockchain nodes and at least one service side blockchain node;
all the client-side blockchain nodes and all the service-side blockchain nodes are in communication connection through a blockchain network;
the client-side block chain node is used for accessing user data of a single user;
the service-side blockchain node is configured to provide a service to the client-side blockchain node, record the user data of all the client-side blockchain nodes, and monitor changes of the user data of all the client-side blockchain nodes.
Further, the client-side blockchain node includes: the system comprises a public key and private key set generation module, a user registration application module and a first encryption information database; one of the service-side blockchain nodes of all the service-side blockchain nodes comprises: a user registration receiving module;
the public key and private key set generating module is used for acquiring a public key and private key set generating request of a user to be registered, responding to the public key and private key set generating request, acquiring user basic information of the user to be registered, generating a public key and private key set according to the user basic information of the user to be registered to obtain a target public key and private key set, storing the target public key and private key set in the first encryption information database, sending the target public key and private key set to the user registration receiving module, and sending a public key of the target public key and private key set to the block chain network;
the user registration application module is configured to obtain a user registration request of the user to be registered, respond to the user registration request, obtain the user basic information of the user to be registered, and send the user basic information of the user to be registered to the user registration receiving module;
the user registration receiving module is used for carrying out user registration according to the user basic information of the user to be registered, generating a service user registration result and sending the service user registration result to the user registration application module;
and the block chain network is also used for broadcasting the public key of the target public key and private key set of the user to be registered.
Further, one of the service-side blockchain nodes of all the service-side blockchain nodes includes: the public key and private key set management module, the encryption module, the decryption module and the second encryption information database;
the public key and private key set management module is used for sending the target public key and private key set of the user to be registered, which is sent by the user registration receiving module, to the encryption module, acquiring the encrypted public key and private key set sent by the encryption module, and storing the encrypted public key and private key set in the second encryption information database;
the encryption module is used for encrypting the target public key and private key set of the user to be registered to obtain the encrypted public key and private key set, and sending the encrypted public key and private key set to the public key and private key set management module;
the public key and private key set management module is further configured to obtain a public key and private key set extraction request sent by the service end block chain node, where the public key and private key set extraction request carries target user basic information, obtain the encrypted public key and private key set from the second encrypted information database according to the target user basic information, obtain a public key and private key set to be decrypted, send the public key and private key set to be decrypted to the decryption module, obtain a decrypted public key and private key set sent by the decryption module, and send the decrypted public key and private key set to the service end block chain node corresponding to the public key and private key set extraction request;
the decryption module is used for decrypting the public key and private key set to be decrypted to obtain the decrypted public key and private key set, and sending the decrypted public key and private key set to the public key and private key set management module.
Further, the client-side blockchain node further includes: the system comprises a transaction module, an endorsement node selection module, an endorsement determination module and a blockchain wallet;
the blockchain wallet is used for managing a public key and private key set and transaction data and intelligent contracts of the client-side blockchain node;
the transaction module is used for receiving a transaction endorsement request sent by a target user, sending an endorsement node selection request to the endorsement node selection module according to the transaction endorsement request, acquiring an endorsement node set sent by the endorsement node selection module, and sending an endorsement request to the endorsement determination module according to the endorsement node set and the transaction data to be endorsed;
the endorsement node selection module is used for responding to the endorsement node selection request, acquiring address data corresponding to the endorsement node selection request, acquiring address data to be endorsed, selecting an endorsement node according to the address data to be endorsed by adopting a preset endorsement node selection rule, acquiring the endorsement node set, and sending the endorsement node set to the transaction module;
the endorsement determining module is used for acquiring a single-node transaction verification result from the endorsement module of each client-side block chain node corresponding to the endorsement node set according to the transaction data of the endorsement to be processed to obtain a single-node transaction verification result set, determining the verification result according to the single-node transaction verification result set to obtain a target transaction verification result, and storing the transaction data of the endorsement to be processed to the block chain wallet when the target transaction verification result is successful, wherein the single-node transaction verification result is obtained by the endorsement module in an endorsement mode according to the transaction data of the endorsement to be processed and the intelligent contract of the block chain wallet.
Further, the step of selecting endorsement nodes according to the address data to be endorsed by using a preset endorsement node selection rule to obtain the endorsement node set includes:
and acquiring a plurality of client-side block chain nodes with the closest distance by taking the address data to be endorsed as a center to serve as the endorsement node set, wherein the number of the client-side block chain nodes in the endorsement node set is greater than or equal to an endorsement node number threshold in the preset endorsement node selection rule.
Further, the client-side blockchain node further includes: a transaction signature module;
the transaction module is further configured to receive a transaction submission request sent by the target user, where the transaction submission request carries transaction data to be signed, send the transaction data to be signed to the transaction signature module, obtain signed transaction data sent by the transaction signature module, use the signed transaction data as the transaction data to be endorsed, and generate the transaction endorsement request according to the transaction data to be endorsed;
the transaction signing module is used for obtaining a private key from the target public key and private key set of the block chaining wallet to obtain a private key to be used, signing the transaction data to be signed according to the private key to be used to obtain signed transaction data, and sending the signed transaction data to the transaction module.
Further, the client-side blockchain node further includes: a user representation module;
one of the service-side blockchain nodes of all the service-side blockchain nodes comprises: an intelligent marketing module;
the user portrait module is used for acquiring a user portrait request, responding to the user portrait request, acquiring transaction data from the blockchain wallet, acquiring transaction data to be portrait, acquiring user basic information to be portrait, performing user portrait according to the transaction data to be portrait and the user basic information to be portrait, acquiring a single-node user portrait result, and sending the single-node user portrait result to the intelligent marketing module;
the intelligent marketing module is used for acquiring product portrait data, performing product recommendation calculation according to the single-node user portrait result and the product portrait data to obtain product recommendation data, and sending product recommendation information to the client-side block chain node corresponding to the single-node user portrait result according to the product recommendation data.
The application also provides a service method based on the block chain, which comprises the following steps:
providing services for client-side blockchain nodes through service-side blockchain nodes, recording user data of all the client-side blockchain nodes, and monitoring changes of the user data of all the client-side blockchain nodes;
wherein all of the client-side blockchain nodes and all of the service-side blockchain nodes are communicatively connected by a blockchain network, the client-side blockchain nodes being configured to access the user data of a single user.
The present application further proposes a computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the steps of the method described above when executing the computer program.
The present application also proposes a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method described above.
The block chain based service system, method, device and storage medium of the present application, the system includes: the system comprises at least two client-side block chain nodes and at least one service-side block chain node, wherein all the client-side block chain nodes and all the service-side block chain nodes are in communication connection through a block chain network, the client-side block chain nodes are used for accessing user data of a single user, and the service-side block chain nodes are used for providing service for the client-side block chain nodes, recording the user data of all the client-side block chain nodes and monitoring the change of the user data of all the client-side block chain nodes, so that the client-side block chain nodes can access the user data of the single user, complete data of one user can be obtained at any time, the data volume of the complete data of one user is less than that of a plurality of user data, real-time calculation can be carried out, calculation is moved forward to the client-side block chain nodes, and the calculation data volume of the service-side block chain nodes is reduced, the problems of slow calculation response and time difference of calculation results are avoided; and because the service-side block chain node provides the functions of service, recording and monitoring for the client-side block chain node, a large amount of calculation data is not needed, and the problems of high calculation resource cost and slow calculation response are avoided.
Drawings
Fig. 1 is a schematic block diagram of a block chain based service system according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a service method based on a block chain according to an embodiment of the present application;
fig. 3 is a block diagram illustrating a structure of a computer device according to an embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, an embodiment of the present application provides a service system based on a block chain, where the system includes: at least two client-side blockchain nodes 100 and at least one service-side blockchain node 200;
all the client side blockchain nodes 100 and all the service side blockchain nodes 200 are communicatively connected through a blockchain network 300;
the client-side blockchain node 100 is configured to access user data of a single user;
the service-side blockchain node 200 is configured to provide a service to the client-side blockchain node 100, record the user data of all the client-side blockchain nodes 100, and monitor changes of the user data of all the client-side blockchain nodes 100.
The system of the embodiment comprises: at least two client-side blockchain nodes 100 and at least one service-side blockchain node 200, all the client-side blockchain nodes 100 and all the service-side blockchain nodes 200 are connected by a blockchain network 300 in a communication manner, the client-side blockchain nodes 100 are used for accessing user data of a single user, the service-side blockchain nodes 200 are used for providing services for the client-side blockchain nodes 100, recording the user data of all the client-side blockchain nodes 100 and monitoring the change of the user data of all the client-side blockchain nodes 100, because the client-side blockchain nodes 100 access the user data of the single user, the complete data of the single user can be acquired at any time, and the data volume of the complete data of the single user is small compared with the data volume of a plurality of user data, so that real-time calculation can be performed, and forward calculation to the client-side blockchain nodes 100 is realized, the calculation data volume of the service-side block chain node 200 is reduced, and the problems of slow calculation response and time difference of calculation results are avoided; and because the service-side blockchain node 200 provides the functions of service, recording and monitoring for the client-side blockchain node 100, a large amount of calculation data is not needed, and the problems of high calculation resource overhead and slow calculation response are avoided.
Optionally, the service system based on the blockchain is a financial service system based on the blockchain.
It is understood that blockchain based service systems may also be used in other industries. For example, the service system based on the block chain can be used in the medical industry and the insurance claim settlement industry, and is not limited herein.
The service-side blockchain node 200 is used as a super node of the service system based on the blockchain, and is mainly responsible for software service, providing functions of summary data such as full user data backup and report ledger, and monitoring information.
Optionally, the service-side blockchain node 200 includes, but is not limited to: the system comprises a financial institution user management block chain node, a financial institution interest distribution block chain node, a financial institution transfer transaction block chain node, a financial institution fee collection block chain node and a financial institution commission charge collection block chain node.
The client-side blockchain node 100, as a common node of the blockchain-based service system, only needs to be responsible for accessing and calculating user data of one user.
The client-side blockchain node 100 includes, but is not limited to: the mobile phone APP and the television set box are applied to a mobile phone APP, a television set box, a personal computer and wearable equipment.
The user data includes: user basic information, a public key and private key set and transaction data. The user basic information includes but is not limited to: name, identity, gender, age, date of birth, identity including but not limited to: identification number, passport number. The public key and private key set is a globally unique public and private key pair (referring to the global of the blockchain network 300) generated by the client-side blockchain node 100 according to the basic information of the user, and the public key and private key set includes a public key and a private key. For example, when the transaction data is financial transaction data, the financial transaction data includes, but is not limited to: financial revenue expenditures, periodic revenue expenditures, transaction history data, financial revenue expenditures including, but not limited to: purchase of funds, sale of funds, purchase of financial products, sale of financial products, periodic revenue expenditure including, but not limited to: payroll income, water fee expenditure, electricity fee expenditure, house renting expenditure and property fee expenditure, and the transaction history data includes but is not limited to: loan data, shopping transactions, transferring data to others, receiving transfer data of others.
Wherein each of the serving-side blockchain nodes 200 in all of the serving-side blockchain nodes 200 has an account in the blockchain network 300. Each of the serving blockchain nodes 200 has an account in the blockchain network 300.
Optionally, all the service-side blockchain nodes 200 are located in the same local area network, and all the service-side blockchain nodes 200 are communicatively connected with each other through the local area network.
Optionally, the step of providing the service to the client-side blockchain node 100 means that the service-side blockchain node 200 (as a service side) directly provides the software service to the client-side blockchain node 100 (as a client), that is, the client-side blockchain node 100 is directly connected to the service-side blockchain node 200 in a communication manner.
Optionally, the step of recording the user data of all the client-side blockchain nodes 100 refers to that the service-side blockchain node 200 stores the user data of all the client-side blockchain nodes 100.
Optionally, the step of monitoring the changes of the user data of all the client-side blockchain nodes 100 refers to that at least one of the service-side blockchain nodes 200 in all the service-side blockchain nodes 200 monitors and records the changes of the user data of all the client-side blockchain nodes 100.
In one embodiment, the client block chain node 100 includes: the system comprises a public key and private key set generation module, a user registration application module and a first encryption information database; one of the serving-side blockchain nodes 200 of all the serving-side blockchain nodes 200 comprises: a user registration receiving module;
the public key and private key set generating module is configured to obtain a public key and private key set generating request of a user to be registered, respond to the public key and private key set generating request, obtain user basic information of the user to be registered, generate a public key and private key set according to the user basic information of the user to be registered, obtain a target public key and private key set, store the target public key and private key set in the first encryption information database, send the target public key and private key set to the user registration receiving module, and send a public key of the target public key and private key set to the blockchain network 300;
the user registration application module is configured to obtain a user registration request of the user to be registered, respond to the user registration request, obtain the user basic information of the user to be registered, and send the user basic information of the user to be registered to the user registration receiving module;
the user registration receiving module is used for carrying out user registration according to the user basic information of the user to be registered, generating a service user registration result and sending the service user registration result to the user registration application module;
the block chain network 300 is further configured to broadcast the public key of the target public key and private key set of the user to be registered.
In this embodiment, a target public key and private key set is generated at the client-side block chain node 100, the target public key and private key set is submitted to the service-side block chain node 200, and each client-side block chain node 100 is registered at the service-side block chain node 200, so that the client-side block chain node 100 is directly in communication connection with the service-side block chain node 200, and the client-side block chain node 100 is also accessed to the block chain network 300.
The public key and private key set generating module obtains a public key and private key set generating request sent by a user to be registered through an operation interface of a client-side blockchain node 100, obtains user basic information filled by the user to be registered, generates a public and private key pair according to the user basic information filled by the user to be registered, uses the generated public and private key pair as a target public key and private key set, stores the target public key and private key set into the first encryption information database of the client-side blockchain node 100 corresponding to the user to be registered, then sends the target public key and private key set to the user registration receiving module through direct communication connection between the client-side blockchain node 100 corresponding to the user to be registered and the service-side blockchain node 200 corresponding to the user registration receiving module, and finally sends a public key of the target private key set to the blockchain network 300, so as to access the client-side blockchain node 100 corresponding to the user to be registered to the blockchain network 300.
The public key and private key set generation request is a request for generating a public and private key pair.
The target public key and private key set is a public and private key pair.
The user registration application module obtains a user registration request sent by a user to be registered through an operation interface of the client-side block chain node 100, obtains user basic information filled by the user to be registered, and sends the user basic information of the user to be registered to the user registration receiving module through direct communication connection between the client-side block chain node 100 corresponding to the user to be registered and the service-side block chain node 200 corresponding to the user registration receiving module.
The user registration receiving module is used for carrying out user registration according to the user basic information of the user to be registered according to a preset user registration rule, and when the user basic information of the user to be registered accords with the preset user registration rule, a service user registration result is determined to be successful; and when the user basic information of the user to be registered does not accord with the preset user registration rule, determining that the service user registration result is failure.
The blockchain network 300 broadcasts the public key of the target public key and private key set of the user to be registered, and when receiving the public key, the blockchain nodes 100 of other client terminals store the public key into their respective blockchain wallets, so that the blockchain node 100 of the client terminal corresponding to the user to be registered is accessed to the blockchain network 300.
In one embodiment, one of the serving-side blockchain nodes 200 of all the serving-side blockchain nodes 200 comprises: the public key and private key set management module, the encryption module, the decryption module and the second encryption information database;
the public key and private key set management module is used for sending the target public key and private key set of the user to be registered, which is sent by the user registration receiving module, to the encryption module, acquiring the encrypted public key and private key set sent by the encryption module, and storing the encrypted public key and private key set in the second encryption information database;
the encryption module is used for encrypting the target public key and private key set of the user to be registered to obtain the encrypted public key and private key set, and sending the encrypted public key and private key set to the public key and private key set management module;
the public key and private key set management module is further configured to obtain a public key and private key set extraction request sent by the service-side blockchain node 200, where the public key and private key set extraction request carries target user basic information, obtain the encrypted public key and private key set from the second encrypted information database according to the target user basic information, obtain a public key and private key set to be decrypted, send the public key and private key set to be decrypted to the decryption module, obtain a decrypted public key and private key set sent by the decryption module, and send the decrypted public key and private key set to the service-side blockchain node 200 corresponding to the public key and private key set extraction request;
the decryption module is used for decrypting the public key and private key set to be decrypted to obtain the decrypted public key and private key set, and sending the decrypted public key and private key set to the public key and private key set management module.
In this embodiment, the service-side block chain node 200 is adopted to encrypt and store the target public key and private key set, so that when a problem occurs in the client-side block chain node 100, a user can retrieve the target public key and private key set of the user through the service-side block chain node 200, thereby avoiding the loss of the public key and private key set, avoiding the data stored in the service-side block chain node 200 from being leaked, improving the security, and improving the user experience.
The public key and private key set management module realizes encryption management and storage management of a target public key and private key set, avoids loss of the target public key and private key set, and also avoids leakage of data stored in the service terminal block chain node 200.
The encryption module encrypts the target public key and private key set of the user to be registered by adopting a preset encryption method, and takes the encrypted target public key and private key set as the encrypted public key and private key set.
The public key and private key set extraction request is a public key and private key set extraction request sent by a user to the service-side blockchain node 200 through the client-side blockchain node 100.
The request for extracting the public key and the private key set is a request for extracting the decrypted public key and private key set and storing the decrypted public key and private key set in the client-side block chain node 100.
And the public key and private key set management module is used for searching the basic information of the target user from the second encrypted information database and taking the encrypted public key and private key set corresponding to the searched basic information of the user as a public key and private key set to be decrypted.
The public key and private key set management module sends the decrypted public key and private key set to the service-side block chain node 200 corresponding to the public key and private key set extraction request, so that the service-side block chain node 200 corresponding to the public key and private key set extraction request sends the decrypted public key and private key set to the client-side block chain node 100 applying for obtaining the public key and private key set.
And the decryption module decrypts the public key and private key set to be decrypted by adopting a preset decryption method, and uses the decrypted data as the decrypted public key and private key set.
In one embodiment, the client-side blockchain node 100 further includes: the system comprises a transaction module, an endorsement node selection module, an endorsement determination module and a blockchain wallet;
the blockchain wallet is used for managing a public key and private key set and transaction data and intelligent contracts of the client-side blockchain node 100;
the transaction module is used for receiving a transaction endorsement request sent by a target user, sending an endorsement node selection request to the endorsement node selection module according to the transaction endorsement request, acquiring an endorsement node set sent by the endorsement node selection module, and sending an endorsement request to the endorsement determination module according to the endorsement node set and the transaction data to be endorsed;
the endorsement node selection module is used for responding to the endorsement node selection request, acquiring address data corresponding to the endorsement node selection request, acquiring address data to be endorsed, selecting an endorsement node according to the address data to be endorsed by adopting a preset endorsement node selection rule, acquiring the endorsement node set, and sending the endorsement node set to the transaction module;
the endorsement determining module is configured to obtain a single-node transaction verification result from the endorsement module of each client-side block chain node 100 corresponding to the endorsement node set according to the transaction data of the endorsement to be performed, obtain a single-node transaction verification result set, determine a verification result according to the single-node transaction verification result set, obtain a target transaction verification result, and store the transaction data of the endorsement to be performed to the block chain wallet when the target transaction verification result is successful, where the single-node transaction verification result is a result obtained by the endorsement module performing an endorsement according to the transaction data of the endorsement to be performed and the intelligent contract of the block chain wallet.
According to the embodiment, endorsement is performed by adopting part of client-side block chain nodes 100, so that endorsement efficiency is improved, and user experience is improved.
The block chain wallet is used for managing a public key and private key set, transaction data and an intelligent contract of the client-side block chain node 100 where the block chain wallet is located. Thus, the blockchain wallet adopts the light wallet mode.
Smart contracts (english: Smart contracts) are a computer protocol intended to propagate, verify or execute contracts in an informative way. Smart contracts allow trusted transactions to be conducted without third parties, which transactions are traceable and irreversible.
After a target user performs a transaction operation on an operation interface of the client-side block link node 100, the transaction module obtains a transaction endorsement request sent by the target user according to the transaction operation, that is, determines transaction data to be endorsed according to data of the operation interface; and when a transaction endorsement request is received, sending an endorsement node selection request to the endorsement node selection module.
When receiving the endorsement node selection request, the endorsement node selection module acquires address data of the client-side block link node 100 (also the client-side block link node 100 corresponding to the endorsement node selection module) corresponding to the endorsement node selection request, and takes the acquired address data as address data to be endorsed; selecting a plurality of endorsement nodes according to the address data to be endorsed by adopting a preset endorsement node selection rule, and taking all selected endorsement nodes as the endorsement node set; the endorsement node selection module sends the endorsement node set to the transaction module.
The endorsement determining module obtains a single-node transaction verification result from the endorsement module of each client-side block chain node 100 corresponding to the endorsement node set through a block chain network 300, and takes all the obtained single-node transaction verification results as a single-node transaction verification result set; determining a verification result according to the single-node transaction verification result set by adopting a preset endorsement determination rule, determining that the target transaction verification result is successful when the single-node transaction verification result set meets the requirement of the preset endorsement determination rule, and determining that the target transaction verification result is failed when the single-node transaction verification result set does not meet the requirement of the preset endorsement determination rule; the single-node transaction verification result is obtained by endorsement by the endorsement module of the client-side blockchain node 100 corresponding to the endorsement node set according to the transaction data to be endorsed and the intelligent contract of the blockchain wallet.
The preset endorsement determination rule comprises the following steps: and if the preset endorsement quantity is exceeded, determining that the target transaction verification result is successful.
The preset endorsement number is less than or equal to the number of client-side blockchain nodes 100 in the endorsement node set.
In an embodiment, the step of selecting an endorsement node according to the address data to be endorsed by using a preset endorsement node selection rule to obtain the endorsement node set includes:
and taking the address data to be endorsed as a center to acquire a plurality of client-side block chain nodes 100 with the closest distance as the endorsement node set, wherein the number of the client-side block chain nodes 100 in the endorsement node set is greater than or equal to an endorsement node number threshold in the preset endorsement node selection rule.
According to the embodiment, the plurality of client-side block chain nodes 100 with the shortest distance are obtained by taking the address data to be endorsed as the center, so that the data transmission distance is reduced, and the endorsement efficiency is improved.
And taking the address data to be endorsed as a center to acquire a plurality of client-side block chain nodes 100 with the shortest distance, namely selecting the client-side block chain node 100 with the shortest distance, and taking all the acquired client-side block chain nodes 100 as the endorsement node set.
In one embodiment, the client-side blockchain node 100 further includes: a transaction signature module;
the transaction module is further configured to receive a transaction submission request sent by the target user, where the transaction submission request carries transaction data to be signed, send the transaction data to be signed to the transaction signature module, obtain signed transaction data sent by the transaction signature module, use the signed transaction data as the transaction data to be endorsed, and generate the transaction endorsement request according to the transaction data to be endorsed;
the transaction signing module is used for obtaining a private key from the target public key and private key set of the block chaining wallet to obtain a private key to be used, signing the transaction data to be signed according to the private key to be used to obtain signed transaction data, and sending the signed transaction data to the transaction module.
According to the embodiment, the signed transaction data is used as the transaction data to be endorsed, so that the integrity of the transaction data to be endorsed is improved, and the security of the block chain network 300 is improved.
The transaction module receives a transaction submission request sent by the target user through an operation interface of the client-side block chain node 100, and takes data in the operation interface as transaction data to be signed.
The transaction signature module acquires a private key from the target public key and private key set of the block chaining wallet, and takes the acquired private key as a private key to be used; and signing the transaction data to be signed according to the private key to be used by adopting a preset signature rule, and taking the signed transaction data to be signed as the signed transaction data.
In one embodiment, the client-side blockchain node 100 further includes: a user representation module;
one of the serving end blockchain nodes 200 of all the serving end blockchain nodes 200 comprises: an intelligent marketing module;
the user portrait module is used for acquiring a user portrait request, responding to the user portrait request, acquiring transaction data from the blockchain wallet, acquiring transaction data to be portrait, acquiring user basic information to be portrait, performing user portrait according to the transaction data to be portrait and the user basic information to be portrait, acquiring a single-node user portrait result, and sending the single-node user portrait result to the intelligent marketing module;
the intelligent marketing module is used for acquiring product portrait data, performing product recommendation calculation according to the single-node user portrait result and the product portrait data to obtain product recommendation data, and sending product recommendation information to the client-side block chain node 100 corresponding to the single-node user portrait result according to the product recommendation data.
In the embodiment, the user portrait is performed on the client-side block chain node 100, so that real-time calculation can be performed, calculation is moved forward to the client-side block chain node 100, time of receiving product recommendation information by a user is shortened, and the product recommendation effect is improved.
The user portrait request input by the user at the client-side block chain node 100 may be obtained, or the user portrait request actively triggered by the client-side block chain node 100 where the user portrait module is located according to a preset portrait initiation rule may also be triggered by the client-side block chain node 100 where the user portrait module is located according to a portrait initiation signal sent by the service-side block chain node 200.
The user representation request is a request for describing a user by using a feature.
And the user portrait module acquires all transaction data from the block chain wallet, takes all acquired transaction data as the transaction data to be portrait, adopts a preset portrait rule, performs user portrait according to the transaction data to be portrait and the user basic information to be portrait, and takes the data obtained by user portrait as a single-node user portrait result.
And when the intelligent marketing module receives the product portrait data, the intelligent marketing module adopts a preset product recommendation rule to perform product recommendation calculation according to the single-node user portrait result and the product portrait data, and the calculated data is used as product recommendation data.
In one embodiment, the system further comprises: a supervision database and at least one supervision node server;
all the client-side blockchain nodes 100, all the service-side blockchain nodes 200 and all the supervisory node servers are communicatively connected through the blockchain network 300;
the supervision node server is configured to read transaction data from the blockchain network 300 and store the transaction data in the supervision database.
According to the embodiment, the third-party supervision of the block chain-based service system is realized by the supervision database and at least one supervision node server, so that the safety and reliability of the system are improved.
Referring to fig. 2, the present application further provides a service method based on a block chain, where the method includes:
s1: providing services to the client-side blockchain node 100 through the service-side blockchain node 200, recording user data of all the client-side blockchain nodes 100, and monitoring changes of the user data of all the client-side blockchain nodes 100;
wherein all of the client blockchain nodes 100 and all of the service blockchain nodes 200 are communicatively connected by a blockchain network 300, the client blockchain nodes 100 being configured to access the user data of a single user.
In the method of this embodiment, all client-side blockchain nodes 100 and all service-side blockchain nodes 200 are in communication connection through a blockchain network 300, the client-side blockchain node 100 is used to access user data of a single user, the service-side blockchain node 200 provides services to the client-side blockchain node 100, records the user data of all client-side blockchain nodes 100, and monitors changes of the user data of all client-side blockchain nodes 100, because the client-side blockchain node 100 accesses the user data of a single user, complete data of a user can be acquired at any time, and the data volume of the complete data of a user is small compared with the data volume of multiple user data, so that real-time calculation can be performed, calculation is advanced to the client-side blockchain node 100, the calculation data volume of the service-side blockchain node 200 is reduced, and slow calculation response is avoided, The problem of time difference exists in the calculation result; and because the service-side blockchain node 200 provides the functions of service, recording and monitoring for the client-side blockchain node 100, a large amount of calculation data is not needed, and the problems of high calculation resource overhead and slow calculation response are avoided.
Referring to fig. 3, a computer device, which may be a server and whose internal structure may be as shown in fig. 3, is also provided in the embodiment of the present application. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the computer designed processor is used to provide computational and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used for storing data such as service methods based on block chains. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of storing blockchain based services. The storage block chain-based service method comprises the following steps: providing services for client-side blockchain nodes through service-side blockchain nodes, recording user data of all the client-side blockchain nodes, and monitoring changes of the user data of all the client-side blockchain nodes; wherein all of the client-side blockchain nodes and all of the service-side blockchain nodes are communicatively connected by a blockchain network, the client-side blockchain nodes being configured to access the user data of a single user.
In the method of this embodiment, all client-side blockchain nodes and all service-side blockchain nodes are in communication connection through a blockchain network, the client-side blockchain nodes are used for accessing user data of a single user, the service-side blockchain nodes provide services to the client-side blockchain nodes, record user data of all client-side blockchain nodes, and listening for changes to user data of all client-side blockchain nodes, since the client-side blockchain nodes access user data of a single user, therefore, the complete data of one user can be obtained at any time, the data volume of the complete data of one user is less than that of the data of a plurality of users, therefore, real-time calculation can be carried out, the calculation is moved forward to the client-side block chain node, the calculation data volume of the service-side block chain node is reduced, and the problems of slow calculation response and time difference of calculation results are solved; and because the service-side block chain node provides the functions of service, recording and monitoring for the client-side block chain node, a large amount of calculation data is not needed, and the problems of high calculation resource cost and slow calculation response are avoided.
An embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for displaying an augmented reality image based on a similarity value is implemented, including: providing services for client-side blockchain nodes through service-side blockchain nodes, recording user data of all the client-side blockchain nodes, and monitoring changes of the user data of all the client-side blockchain nodes;
wherein all of the client-side blockchain nodes and all of the service-side blockchain nodes are communicatively connected by a blockchain network, the client-side blockchain nodes being configured to access the user data of a single user.
The executed service method based on the block chain is characterized in that all client-side block chain nodes and all service-side block chain nodes are in communication connection through a block chain network, the client-side block chain nodes are used for accessing user data of a single user, the service-side block chain nodes provide services for the client-side block chain nodes, the user data of all the client-side block chain nodes are recorded, and the change of the user data of all the client-side block chain nodes is monitored The problem of time difference exists in the calculation result; and because the service-side block chain node provides the functions of service, recording and monitoring for the client-side block chain node, a large amount of calculation data is not needed, and the problems of high calculation resource cost and slow calculation response are avoided.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium provided herein and used in the examples may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double-rate SDRAM (SSRSDRAM), Enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that includes the element.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A blockchain based service system, the system comprising: at least two client side blockchain nodes and at least one service side blockchain node;
all the client-side blockchain nodes and all the service-side blockchain nodes are in communication connection through a blockchain network;
the client-side block chain node is used for accessing user data of a single user;
the service-side blockchain node is configured to provide a service to the client-side blockchain node, record the user data of all the client-side blockchain nodes, and monitor changes of the user data of all the client-side blockchain nodes.
2. The blockchain-based services system of claim 1, wherein the client-side blockchain node comprises: the system comprises a public key and private key set generation module, a user registration application module and a first encryption information database; one of the service-side blockchain nodes of all the service-side blockchain nodes comprises: a user registration receiving module;
the public key and private key set generating module is used for acquiring a public key and private key set generating request of a user to be registered, responding to the public key and private key set generating request, acquiring user basic information of the user to be registered, generating a public key and private key set according to the user basic information of the user to be registered to obtain a target public key and private key set, storing the target public key and private key set in the first encryption information database, sending the target public key and private key set to the user registration receiving module, and sending a public key of the target public key and private key set to the block chain network;
the user registration application module is configured to obtain a user registration request of the user to be registered, respond to the user registration request, obtain the user basic information of the user to be registered, and send the user basic information of the user to be registered to the user registration receiving module;
the user registration receiving module is used for carrying out user registration according to the user basic information of the user to be registered, generating a service user registration result and sending the service user registration result to the user registration application module;
and the block chain network is also used for broadcasting the public key of the target public key and private key set of the user to be registered.
3. The blockchain-based service system of claim 2, wherein one of the service-side blockchain nodes of all the service-side blockchain nodes comprises: the public key and private key set management module, the encryption module, the decryption module and the second encryption information database;
the public key and private key set management module is used for sending the target public key and private key set of the user to be registered, which is sent by the user registration receiving module, to the encryption module, acquiring the encrypted public key and private key set sent by the encryption module, and storing the encrypted public key and private key set in the second encryption information database;
the encryption module is used for encrypting the target public key and private key set of the user to be registered to obtain the encrypted public key and private key set, and sending the encrypted public key and private key set to the public key and private key set management module;
the public key and private key set management module is further configured to obtain a public key and private key set extraction request sent by the service end block chain node, where the public key and private key set extraction request carries target user basic information, obtain the encrypted public key and private key set from the second encrypted information database according to the target user basic information, obtain a public key and private key set to be decrypted, send the public key and private key set to be decrypted to the decryption module, obtain a decrypted public key and private key set sent by the decryption module, and send the decrypted public key and private key set to the service end block chain node corresponding to the public key and private key set extraction request;
the decryption module is used for decrypting the public key and private key set to be decrypted to obtain the decrypted public key and private key set, and sending the decrypted public key and private key set to the public key and private key set management module.
4. The blockchain-based services system of claim 3, wherein the client-side blockchain node further comprises: the system comprises a transaction module, an endorsement node selection module, an endorsement determination module and a blockchain wallet;
the blockchain wallet is used for managing a public key and private key set and transaction data and intelligent contracts of the client-side blockchain node;
the transaction module is used for receiving a transaction endorsement request sent by a target user, sending an endorsement node selection request to the endorsement node selection module according to the transaction endorsement request, acquiring an endorsement node set sent by the endorsement node selection module, and sending an endorsement request to the endorsement determination module according to the endorsement node set and the transaction data to be endorsed;
the endorsement node selection module is used for responding to the endorsement node selection request, acquiring address data corresponding to the endorsement node selection request, acquiring address data to be endorsed, selecting an endorsement node according to the address data to be endorsed by adopting a preset endorsement node selection rule, acquiring the endorsement node set, and sending the endorsement node set to the transaction module;
the endorsement determining module is used for acquiring a single-node transaction verification result from the endorsement module of each client-side block chain node corresponding to the endorsement node set according to the transaction data of the endorsement to be processed to obtain a single-node transaction verification result set, determining the verification result according to the single-node transaction verification result set to obtain a target transaction verification result, and storing the transaction data of the endorsement to be processed to the block chain wallet when the target transaction verification result is successful, wherein the single-node transaction verification result is obtained by the endorsement module in an endorsement mode according to the transaction data of the endorsement to be processed and the intelligent contract of the block chain wallet.
5. The block chain-based service system according to claim 4, wherein the step of selecting endorsement nodes according to the address data to be endorsed by using a preset endorsement node selection rule to obtain the endorsement node set comprises:
and acquiring a plurality of client-side block chain nodes with the closest distance by taking the address data to be endorsed as a center to serve as the endorsement node set, wherein the number of the client-side block chain nodes in the endorsement node set is greater than or equal to an endorsement node number threshold in the preset endorsement node selection rule.
6. The blockchain-based services system of claim 5, wherein the client-side blockchain node further comprises: a transaction signature module;
the transaction module is further configured to receive a transaction submission request sent by the target user, where the transaction submission request carries transaction data to be signed, send the transaction data to be signed to the transaction signature module, obtain signed transaction data sent by the transaction signature module, use the signed transaction data as the transaction data to be endorsed, and generate the transaction endorsement request according to the transaction data to be endorsed;
the transaction signing module is used for obtaining a private key from the target public key and private key set of the block chaining wallet to obtain a private key to be used, signing the transaction data to be signed according to the private key to be used to obtain signed transaction data, and sending the signed transaction data to the transaction module.
7. The blockchain-based services system of claim 4, wherein the client-side blockchain node further comprises: a user representation module;
one of the service-side blockchain nodes of all the service-side blockchain nodes comprises: an intelligent marketing module;
the user portrait module is used for acquiring a user portrait request, responding to the user portrait request, acquiring transaction data from the blockchain wallet, acquiring transaction data to be portrait, acquiring user basic information to be portrait, performing user portrait according to the transaction data to be portrait and the user basic information to be portrait, acquiring a single-node user portrait result, and sending the single-node user portrait result to the intelligent marketing module;
the intelligent marketing module is used for acquiring product portrait data, performing product recommendation calculation according to the single-node user portrait result and the product portrait data to obtain product recommendation data, and sending product recommendation information to the client-side block chain node corresponding to the single-node user portrait result according to the product recommendation data.
8. A method for blockchain based services, the method comprising:
providing services for client-side blockchain nodes through service-side blockchain nodes, recording user data of all the client-side blockchain nodes, and monitoring changes of the user data of all the client-side blockchain nodes;
wherein all of the client-side blockchain nodes and all of the service-side blockchain nodes are communicatively connected by a blockchain network, the client-side blockchain nodes being configured to access the user data of a single user.
9. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of claim 8 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method as claimed in claim 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691931.0A CN113438293A (en) | 2021-06-22 | 2021-06-22 | Service system, method, device and storage medium based on block chain |
| PCT/CN2021/109600 WO2022267180A1 (en) | 2021-06-22 | 2021-07-30 | Blockchain-based service system and method, and device and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691931.0A CN113438293A (en) | 2021-06-22 | 2021-06-22 | Service system, method, device and storage medium based on block chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113438293A true CN113438293A (en) | 2021-09-24 |
Family
ID=77756939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110691931.0A Pending CN113438293A (en) | 2021-06-22 | 2021-06-22 | Service system, method, device and storage medium based on block chain |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113438293A (en) |
| WO (1) | WO2022267180A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116881972B (en) * | 2023-09-04 | 2023-11-24 | 奇点数联(北京)科技有限公司 | Information interaction method, electronic equipment and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351285A (en) * | 2017-02-08 | 2019-10-18 | 腾讯科技（深圳）有限公司 | A kind of data processing method, applications client and system |
| CN112671881A (en) * | 2020-12-18 | 2021-04-16 | 成都质数斯达克科技有限公司 | Node organization management method and device, electronic equipment and readable storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108833081B (en) * | 2018-06-22 | 2021-01-05 | 中国人民解放军国防科技大学 | Block chain-based equipment networking authentication method |
| CN110544095A (en) * | 2019-09-03 | 2019-12-06 | 腾讯科技（深圳）有限公司 | Transaction processing method of block chain network and block chain network |
| CN110851857B (en) * | 2019-10-14 | 2022-07-01 | 上海唯链信息科技有限公司 | Method and device for realizing identity endorsement on block chain |
| CN111314066B (en) * | 2020-01-23 | 2022-02-11 | 腾讯科技（深圳）有限公司 | Block chain-based data transfer method, terminal and computer-readable storage medium |
| CN111340469A (en) * | 2020-03-10 | 2020-06-26 | 苏州区盟链数字科技有限公司 | Digital currency wallet and digital currency double-off-line payment method |
-
2021
- 2021-06-22 CN CN202110691931.0A patent/CN113438293A/en active Pending
- 2021-07-30 WO PCT/CN2021/109600 patent/WO2022267180A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351285A (en) * | 2017-02-08 | 2019-10-18 | 腾讯科技（深圳）有限公司 | A kind of data processing method, applications client and system |
| CN112671881A (en) * | 2020-12-18 | 2021-04-16 | 成都质数斯达克科技有限公司 | Node organization management method and device, electronic equipment and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022267180A1 (en) | 2022-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111666576B (en) | Data processing model generation method and device, and data processing method and device | |
| KR102201235B1 (en) | Service process system, service data processing method and device | |
| CN109802957B (en) | Interface docking method and device, computer equipment and storage medium | |
| US20220036366A1 (en) | Blockchain-based method and apparatus for managing biological asset object | |
| EP3673640B1 (en) | Processing data elements stored in blockchain networks | |
| CN110599137A (en) | Electronic bill data processing method and device and computer equipment | |
| CN112202554B (en) | Information processing method, device and equipment for generating key based on attribute of information | |
| CN110633963A (en) | Electronic bill processing method, electronic bill processing device, computer-readable storage medium and equipment | |
| CN111861477A (en) | Block chain-based post-transaction data processing method and device and computer equipment | |
| CN111723385B (en) | Data information processing method, device, electronic equipment and storage medium | |
| CN111127150A (en) | Intelligent contract demand matching method and device based on block chain and computer equipment | |
| CN114500093A (en) | Safe interaction method and system for message information | |
| CN110442654A (en) | Promise breaking information query method, device, computer equipment and storage medium | |
| CN110516467B (en) | Data distribution method and device, storage medium and terminal | |
| CN113438293A (en) | Service system, method, device and storage medium based on block chain | |
| CN111597060B (en) | Data calling method and device, computer equipment and storage medium | |
| CN109472661B (en) | Data processing method, system and computer equipment based on electronic contract | |
| CN115563212A (en) | Supply chain data management method, device, equipment and storage medium under cloud chain cooperation | |
| CN111125734B (en) | Data processing method and system | |
| CN116567008A (en) | Business privacy data transmission method and device, computer equipment and storage medium | |
| EP1797666A2 (en) | Concept based message security system | |
| CN114697114B (en) | Data processing method, device, electronic equipment and medium | |
| CN111241574B (en) | Privacy protection method, device and storage medium based on blockchain | |
| CN115037521B (en) | Service data verification method, device, computer equipment and storage medium | |
| CN115277593B (en) | Method and system for safely storing under-chain data based on blockchain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 40053934 Country of ref document: HK |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210924 |