CN110688634B - Intelligent execution method for alliance chain affairs - Google Patents
Intelligent execution method for alliance chain affairs Download PDFInfo
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Abstract
The invention discloses a method for intelligently executing alliance chain affairs, which comprises the following steps: (1) the transaction publisher registers or registers in the authentication center, and uploads the electronic version of the preprocessed or executed transaction to the alliance chain authentication center; (2) the authentication center judges the transaction type, matches the intelligent contract strategy and scheme, and performs the operation of the designated node; (3) according to the matched intelligent contract strategy and scheme, the nodes communicate with each other on the basis of a alliance chain consensus mechanism; (4) and matching message encryption protection strategies among the nodes in the communication process. The method provided by the invention utilizes a alliance chain multi-center mode and adopts an intelligent contract with a tree structure, so that the cost and time for reading and writing at different places are greatly reduced, a simpler consensus service with higher efficiency is provided, the efficiency of issuing and auditing the transaction can be improved, the execution time is shortened, the transparency is increased, the cost is reduced, and the safety is ensured.
Description
Technical Field
The invention belongs to the technical field of alliance chains, and particularly relates to an intelligent alliance chain transaction execution method.
Background
The development of the Chinese consumer market is gradually becoming the most key seed power for pulling the national economy to grow. The well-blowout type growth of the market and the support of national policies enable the Internet and emerging Internet entrepreneurship companies to lay out various large consumption fields in a dispute, and many enterprises find many problems by continuously exploring how the Internet is laid out in the consumption fields, for example, compared with a large number of novel Internet consumption financial institutions and traditional banks, the cost is high, and the large factor for restricting the development of the Internet in the financial consumption field is high.
The block chain technology is concerned by more and more high and new enterprises in recent years, the block chain technology is applied to various fields, the transaction release and audit cost can be reduced by using the block chain technology, the transaction release and audit efficiency is improved, and the influence on the financial field is more and more great. Blockchain technology is essentially a collection of several technical solutions, including peer-to-peer network transport protocols, cryptographic algorithms, distributed consensus mechanisms, and intelligent contracts. Which can be classified into a public chain, a federation chain, and a private chain according to the type of authority. Generally, a alliance chain technical scheme is adopted in enterprises. A alliance chain, also called an alliance block chain, adopts a multi-center mode, sets authority and control, provides simpler and more efficient consensus service, is established by participation of a specific organization or an individual, takes a plurality of nodes commonly permitted in the group as bookkeepers, formulates a consensus rule to finish block outlet, and other access nodes can send transactions, can only carry out limited inquiry and do not participate in the block chain of the consensus process.
Generally, the process of performing a transaction by a federation chain is automatically performed by using an intelligent contract, for example, the transaction processing flow is as follows: after the alliance chain is normally started, a user generates files such as a legal identity certificate, a signature private key and the like from an authentication node or through a tool based on a user (client) node to obtain a legal node identity, and the user enters a network after authentication, so that the user can normally send a transaction to the network to request processing. (1) The client node sends a signature proposal message to a backup node (endorsement node) to request processing; (2) the backup node (endorsement node) simulates and executes a transaction proposal and signs an endorsement; (3) the backup node (endorsement node) returns a proposal response message to the client and distributes a private data plaintext; (4) the client node processes the proposal response message; (5) sending transaction data to a consensus node (sequencing node) to request sequencing; (6) the consensus node (sorting node) sorts the transactions and constructs a new block; (7) a backup node (main node) requests a consensus node (sequencing node) to send a channel account book block; (8) the backup node (accounting node) verifies the transaction and submits the account book; (9) the backup node (main node) distributes data and synchronizes the state; (10) the backup node (accounting node) validates the transaction and submits the ledger. However, the application of the existing alliance chain intelligent contract technology is not mature, and the intelligent contract technology needs to be perfected by combining various fields.
Although the above factors are limited, compared with the financial services in the mature markets abroad, the financial services in domestic banks are relatively blank, and from the business and data perspectives, a plurality of pain problems exist. When a product in the traditional industry executes a publishing and auditing function, the problems of difficult connection of a capital end, low data transfer efficiency and the like generally exist, and the efficient publishing and auditing of the product cannot be met.
Disclosure of Invention
Based on the background and the problems in the prior art, the invention proposes to design a method for intelligently executing alliance chain transactions, which can solve the problems of data release and audit and improve the efficiency of transaction design and release links. Namely, by utilizing the consensus algorithm, the tamper resistance and the distributed technology of the alliance chain, the issue and the execution of the affair issuer affair in the issue link can be effectively carried out, so that the affair with the execution value can be selected for execution, namely, the intelligent execution of the affair can be realized through the scheme of matching the intelligent contract. The strategy that the total intelligent contract is matched with different sub intelligent contracts is designed, so that the data circulation efficiency can be improved, and the transaction issuing and auditing efficiency can be improved.
To achieve these objects and other advantages and in accordance with the purpose of the invention, a method for intelligent execution of federation chain transactions is provided, comprising:
(1) the transaction publisher registers or registers in the authentication center, uploads the electronic version of the preprocessed or executed transaction to the alliance chain authentication center, performs identity authentication and signature private key, and stores the generated data in the alliance chain database;
(2) the authentication center judges the transaction type, matches the intelligent contract strategy and scheme according to different transaction types, and performs the operation of the designated node according to the matched intelligent contract strategy and scheme, wherein the type of the designated node comprises a client node, a consensus node, a backup node and a recording node;
(3) according to the matched intelligent contract strategy and scheme, the authentication center transmits the transaction to a backup node appointed according to the intelligent contract, and distributes the message transmitted by the transaction to other nodes in the alliance chain, and the nodes communicate with each other on the basis of an alliance chain consensus mechanism, wherein the communication comprises the transmission of information data such as the transaction content, the audit result, the release condition, the execution condition and the like of the transaction by each node;
(4) and matching message encryption protection strategies among the nodes in the communication process.
Furthermore, the method is realized by adopting a multi-center mode through a alliance chain, the nodes of the participants are preset, are organized and completed by intelligent contracts and related strategies, are confirmed through a consensus mechanism, and the safety of alliance established items is ensured through an encryption mode.
Preferably, the specific implementation method of step (1) is as follows:
1.1, the authentication center generates a legal identity certificate and a signature private key by performing initial examination on uploaded transactions after registration in the authentication center;
1.2, transmitting the initial examination result message to a node needing to process a lower-level task;
1.3 issuing the transaction passing the initial review, and reminding the whole network node to carry out transaction preprocessing preparation by the authentication center.
Further, in step 1.1, the content of the legal identity certificate includes: the identity certificate content comprises an uploader name, uploading time, a transaction name, a transaction type, a transaction number and creation time; the transaction numbers are numbered according to the initial examination result; the authentication center finds, creates and reports the transaction request processing; the backup node carries out endorsement and verification of the chain establishment; recording by the recording node; and the consensus node performs sequencing, consensus, transaction and block output of the standing items on the chain.
Preferably, the selecting intelligent contract policies and schemes described in step (2) include: firstly, executing a general intelligent contract to carry out transaction issue verification judgment, wherein the judged object is the transaction type of an identity certificate provided by a transaction authentication center; selecting a sub intelligent contract for executing the affair according to the affair type, and executing the sub intelligent contract to judge whether the affair has an execution value; recording the final audit result of the transaction into a database, and issuing a notice; and adding a sub intelligent contract label for executing the affair in the identity certificate of the affair which is finally audited so as to execute the affair according to the sub intelligent contract every time, without executing a total intelligent contract for judgment, and realizing the intelligent execution of the affair according to the intelligent contract design method.
Furthermore, the operations of the designated nodes in different intelligent contracts and schemes are different, namely, the nodes with different functions are selected according to requirements, and the corresponding node quantity is designated.
Preferably, the operation of the designated node in step (2) specifically includes:
2.1 specifying an authentication center for discovering, creating and reporting transactions;
2.2 appointing a backup node to decide to establish items and send out assignment after obtaining the transaction which is preliminarily agreed to establish;
2.3, the designated backup node is used for receiving the assignment of the backup node in the step 2.2 and providing an attentive initial review opinion;
2.4 appointing a recording node to be used for final audit of the transaction, obtaining an audit result and returning a notice of allowing the transaction to be issued;
2.5 appointing a consensus node for reviewing the notice according to the transaction review and providing format and non-format text contracts;
2.6, the appointed consensus node is used for providing a comprehensive primary opinion to the backup node in the step 2.2 according to comprehensive analysis after obtaining the full-tone primary opinion of the backup node in the step 2.3, and the backup node in the step 2.2 performs a standard for entering a review resolution into review, and issues a project review notice;
2.7, the appointed consensus node is used for performing transaction execution condition audit by combining the consensus node in the step 2.6 and performing post-transaction response after the transaction is executed;
2.8 the client node is designated for executing the transaction upon receiving notification of the allowed transaction execution.
Further, the node operation is limited by role control and authority control information on the alliance chain, the related nodes can read the role control and authority control information to ensure that the work of the nodes is legal, circulation information is written in when the work of the nodes is completed, and the whole alliance chain carries out role control and authority control authentication (each department/organization is used as an organization/node on the alliance chain).
Further, the project establishment process comprises: and agreeing to the issue of the transaction, verifying the execution effect of the transaction and replying a verification result.
Preferably, wherein the audit system comprises: after the alliance chain is initialized and started, installing chain codes for realizing intelligent contracts, calling related chain code functions for instantiation, calling the chain codes for realizing the intelligent contracts according to actual scenes after the chain codes are deployed, and finishing intelligent contract deployment of the alliance chain after the chain codes are determined to normally run by inquiring chain code information; the process of deploying the intelligent contracts comprises the formulation of an endorsement strategy, an instantiation strategy and a channel management strategy.
Preferably, the consensus of step (3) for agreeing on work authority over a federation chain to ensure that data writing and work flow are normally performed includes: and (3) approving the establishment items through the backup node in the step 2.2, sending a message assigned to the backup node in the step 2.3 for simulating and executing the transaction proposal, requesting to endorse signatures such as a simulation execution result, providing an adjusted initial review intention to see the consensus node in the step 2.6 for comprehensive arrangement, providing a comprehensive initial review opinion, returning a request message to the backup node in the step 2.2, sending a transaction review notice, reviewing the consensus node in the step 2.5, auditing the transaction execution by the consensus nodes in the step 2.6 and the step 2.7, sequencing the establishment items by the consensus node in the step 2.6, packaging the establishment items by the consensus node in the step 2.7 into blocks, and then sending the blocks to the backup node in the step 2.4 for verification, review and submitting a record book.
Preferably, the matching message encryption protection policy of step (4) includes: and 2.2, after the simulation execution proposal of the backup node in the step 2.2, checking a simulation execution result, calling a dispersed privacy data method of the message module under the condition that a legal privacy data read-write set exists, distributing the privacy data to authorized backup nodes in the channel, and simultaneously storing the privacy data to the opposite item object in local cache.
Based on the intelligent execution of the affairs realized by adopting the alliance chain technology, the method at least comprises the following beneficial effects:
1. the advantage of decentralization of the alliance chain is utilized, and the transparency in the transaction execution process is increased;
2. the designed intelligent contract realizes the digital flow of service processing, can improve the efficiency of transaction release auditing and shorten the processing time;
3. the data sharing among all parties in the transaction issuing link is effectively carried out by utilizing the consensus algorithm, the tamper resistance and the distributed technology of the alliance chain, so that the data transfer efficiency is improved, the cost is reduced, and the safety is ensured;
4. the encryption method for processing different transactions by matching with the alliance chain is designed, so that the transaction issuing and auditing efficiency can be improved
Drawings
FIG. 1 is a schematic diagram of a federation chain-based transaction publication auditing architecture;
FIG. 2 is a diagram of a federation chain intelligent contract concept implementing transaction issuance intelligence;
FIG. 3 is a schematic diagram of a transaction issue auditing flow based on a federation chain.
Detailed Description
In order to clearly illustrate the present invention and make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that those skilled in the art can implement the technical solutions in reference to the description text. The technology of the present invention will be described in detail below with reference to the accompanying drawings in conjunction with specific embodiments.
1. Fig. 1 shows an implementation form of the overall architecture of the present invention for implementing transaction intelligence, and the overall transaction issuing steps are as follows:
(1) uploading the transaction to an authentication center, and registering;
(2) selecting an intelligent contract strategy and scheme according to different transaction types, and performing operation of a designated node, wherein the operation comprises a designated client node, a consensus node, a backup node and a recording node;
(3) the transaction is uploaded to the backup node, the message uploaded by the transaction is distributed to other nodes in the organization, the nodes achieve consensus, and the nodes in the organization communicate through the consensus;
(4) and encrypting and protecting the message in the communication process among the nodes.
The transaction issuing and auditing method based on the alliance chain is realized by adopting a multi-center mode through the alliance chain, the nodes of the participants are preset by intelligent contracts and relevant strategies, the nodes are confirmed through a consensus mechanism, and the safety of alliance established items is ensured through an encryption mode.
After the alliance chain is initialized and started, installing chain codes for realizing intelligent contracts, calling related chain code functions for instantiation, calling the chain codes for realizing the intelligent contracts according to actual scenes after the chain codes are deployed, and finishing intelligent contract deployment of the alliance chain after the chain codes are determined to normally run by inquiring chain code information; the process of deploying the intelligent contracts comprises the formulation of an endorsement strategy, an instantiation strategy and a channel management strategy.
The specific implementation of the step (1) comprises the following steps: the transaction publisher uploads the transaction after registering or registering in the authentication center, the authentication center judges the transaction type, the authentication center generates a legal identity certificate and a signature private key, and an initial examination result, transaction content, the identity certificate and the private key are packaged into a message; transmitting the message to a backup node which needs to process the lower-level task; the authentication center informs all nodes to prepare for transaction pre-auditing.
2. Fig. 2 shows a schematic diagram of an intelligent contract of a federation chain for implementing intelligent execution of a transaction according to the present invention, in which, the situation of executing an intelligent contract according to the present invention is shown, a general intelligent contract is executed to perform a transaction issue audit judgment, and a judged object is a transaction type of an identity certificate provided by an authentication center of the transaction; selecting a sub intelligent contract to be executed according to the transaction type, and judging whether the transaction has an execution value after executing the sub intelligent contract; recording the final audit result of the transaction into a database, and issuing a notice; and adding a sub intelligent contract label for executing the affair to the identity certificate of the affair which passes the final audit, so that the affair execution is performed according to the sub intelligent contract each time without executing the total intelligent contract for judgment, and the intelligent contract deployment design realizes the intelligent execution of the affair.
The specific embodiment is as follows:
3. figure 3 illustrates the operation of a designated node that issues audits based on transaction a of a federation chain in accordance with one implementation of the present invention. Employing this scheme has the advantage of efficiently executing transactions. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the method and the device are implemented, implementation modes of different scenes can be processed according to the requirements of users. In the step (2), the operation of the designated node specifically includes:
step 1: the authentication center discovers, creates and reports the affairs;
step 2: after obtaining the transaction which preliminarily agrees to be created, the backup node 1 determines to establish items and sends out assignment;
and 3, step 3: the backup node 2 is assigned by the backup node 1 and provides a best-effort initial review opinion;
and 4, step 4: after obtaining the full-tone initial review idea of the backup node 2, the consensus node 1 provides a comprehensive initial review idea to the backup node 1 according to comprehensive analysis, and the backup node 1 performs a review resolution to enter a review standard and issues a project review notice sheet;
and 5, step 5: the consensus node 2 provides format and non-format text contract examination according to the transaction review notice;
and 6, step 6: after obtaining the contract examination results of the format and non-format texts provided by the consensus node 2, the consensus node 3 and the consensus node 1 check the transaction execution condition, and after the transaction is executed, make a post-transaction response;
and 7, step 7: the recording node carries out final audit recording on the transaction to obtain an audit result and returns a notice of allowing the transaction to be issued;
and 8, step 8: and after receiving the notification of allowing the transaction to be executed, the client node executes the transaction.
The consensus of the step (3) for agreeing on the work authority on the alliance chain to ensure that the data writing and the work flow are normally performed comprises the following steps: the backup node 1 agrees to establish items and sends out a message assigned to the backup node 2 to simulate and execute a transaction proposal, requests endorsement of signatures such as simulation execution results and the like, provides all-tone preliminary review idea to see the consensus node 2 for comprehensive arrangement, provides comprehensive preliminary review opinions, returns a request message to the backup node 1, provides a transaction review notice, then carries out review by the consensus node 1, carries out transaction execution review by the consensus node 2 and the consensus node 3, carries out sequencing on the contradictory items by the consensus node 2, packs the contradictory items by the consensus node 3 into blocks, and then hands to the recording node for verification, review and submits the records.
The encryption protection step of the step (4) comprises the following steps: after the backup node 1 simulates and executes the proposal, the simulation execution result is checked, and under the condition that a legal private data read-write set exists, a dispersed private data method of a message module is called to distribute the private data to authorized backup nodes in a channel, and meanwhile, the private data is stored in local cache private data for the opposite item object.
The authentication center finds, creates and reports the project request processing corresponding to the process of processing the affairs in the alliance chain, and registers the affairs; the backup node carries out endorsement and verification of the chain establishment; recording the affair issued by the notification by the recording node; and the consensus node performs sequencing, consensus, transaction and block output of the standing items on the chain.
The node operation is limited by role control and authority control information on the alliance chain, the related nodes can read the role control and authority control information to ensure that the work of the nodes is legal, when the work of the nodes is completed, the circulation information is written in, and the whole alliance chain carries out role control and authority control authentication.
The project establishment process comprises the following steps: agreeing to the standing item, verifying the standing item and replying a standing item result; in the process of the intelligent transaction release, each department/organization is used as an organization/node on a federation chain.
The number of modules and the processing scale described herein are intended to simplify the description of the invention. Applications, modifications and variations of the federation chain-based transaction intelligence method of the present invention will be apparent to those skilled in the art. As described above, according to the present invention, due to the effective mechanism of the federation chain, the issue auditing of the transaction of the present invention has the effects of high data flow efficiency, high transparency, and the like.
The embodiments described above are presented to enable a person having ordinary skill in the art to make and use the invention. It will be readily apparent to those skilled in the art that various modifications to the above-described embodiments may be made, and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications to the present invention based on the disclosure of the present invention within the protection scope of the present invention.
Claims (8)
1. A method for intelligent execution of federation chain transactions, comprising:
(1) the transaction publisher registers or registers in the authentication center, uploads the electronic version of the preprocessed or executed transaction to the alliance chain authentication center, performs identity authentication and signature private key, and stores the generated data in the alliance chain database;
(2) the authentication center judges the transaction type, matches the intelligent contract strategy and scheme according to different transaction types, and performs the operation of the designated node according to the matched intelligent contract strategy and scheme, wherein the type of the designated node comprises a client node, a consensus node, a backup node and a recording node; wherein, the content of selecting the intelligent contract strategy and scheme comprises the following steps: firstly, executing a general intelligent contract to carry out transaction issue verification judgment, wherein the judged object is the transaction type of an identity certificate provided by a transaction authentication center; selecting an executed sub intelligent contract type according to the transaction type, and checking and judging whether the transaction has an execution value after executing the sub intelligent contract; recording the final audit result of the transaction into a database, and issuing a notice; adding a sub intelligent contract label for executing the affair in the identity certificate of the affair passing the final audit, so as to execute the corresponding affair according to the sub intelligent contract each time;
(3) according to the matched intelligent contract strategy and scheme, the authentication center transmits the transaction to the backup node appointed according to the intelligent contract, and distributes the message transmitted by the transaction to other nodes in the alliance chain, and the nodes communicate with each other on the basis of an alliance chain consensus mechanism;
(4) and matching message encryption protection strategies among the nodes in the communication process.
2. The method for intelligently executing federation chain transactions according to claim 1, wherein the specific implementation method of the step (1) is as follows:
1.1, after registering and registering in an authentication center, performing initial examination on uploaded transactions, generating a legal identity certificate and a signature private key by the authentication center, and packaging an initial examination result, transaction contents, the identity certificate and the private key into a message;
1.2, transmitting the message to a backup node which needs to process the lower task;
1.3 issuing the transaction passing the initial review, and reminding all nodes to carry out transaction pre-review preparation by the authentication center.
3. A method for intelligent execution of federation chain transactions according to claim 2, wherein in step 1.1, the content of a legal identity certificate includes: the identity certificate content comprises an uploading node name, uploading time, a transaction name, a transaction type, a transaction number and creation time; the transaction numbers are numbered according to the initial examination result; the authentication center finds, creates and reports the transaction request processing; the backup node carries out endorsement and verification of the chain establishment; recording the issuable affairs by the recording node; and the consensus node performs sequencing, consensus, transaction and block output of the standing items on the chain.
4. A method for intelligent execution of federation chain transactions according to claim 1, wherein the operations of the designated nodes in the different intelligent contracts and schemes in step (2) are different, nodes of different functions are selected according to requirements, and the number of corresponding nodes is designated, the operations of the designated nodes generally comprising:
2.1 specifying an authentication center for discovering, creating and reporting transactions;
2.2 appointing a backup node to decide to establish items and send out assignment after obtaining the transaction which is preliminarily agreed to establish;
2.3 designating the backup node for receiving the assignment of the backup node in the step 2.2 and providing an up-regulation initial review opinion;
2.4 appointing a recording node to be used for final audit of the transaction, obtaining an audit result and returning a notice of allowing the transaction to be issued;
2.5 the appointed consensus node is used for providing format and non-format text contract examination according to the transaction review notice;
2.6, the appointed consensus node is used for providing a comprehensive primary opinion to the backup node in the step 2.2 according to comprehensive analysis after obtaining the full-tone primary opinion of the backup node in the step 2.3, and the backup node in the step 2.2 performs a standard for entering a review resolution into review, and issues a project review notice;
2.7, the appointed consensus node is used for performing transaction execution condition audit by combining the consensus node in the step 2.6 and performing post-transaction response after the transaction is executed;
2.8 the client node is designated for executing the transaction upon receiving notification of the allowed transaction execution.
5. The intelligent execution method of alliance chain transactions as claimed in claim 4, wherein the operation of the designated node is limited by role control and authority control information on the alliance chain, the related node can read the role control and authority control information to ensure that the work of the node is legal, when the work of the node is completed, the flow information is written in, and the whole alliance chain performs role control and authority control authentication.
6. A method for intelligent execution of federation chain transactions according to claim 4, wherein the step 2.2 action comprises: and agreeing to the issue of the transaction, verifying the execution effect of the transaction and replying a verification result.
7. The intelligent execution method of alliance chain transaction as claimed in claim 4, wherein, the consensus of step (3) is used to reach consensus on work authority on alliance chain to ensure that data writing and work flow are normally carried out, which comprises: and (3) approving the establishment by the backup node in the step (2.2) and sending a message assigned to the backup node in the step (2.3) for simulating and executing the transaction proposal, requesting to endorse a simulation execution result signature, providing an adjusted primary audit intention to see the consensus node in the step (2.6) for comprehensive arrangement, providing a comprehensive primary audit opinion, returning a request message to the backup node in the step (2.2), issuing a transaction audit notice, then examining the consensus node in the step (2.5), auditing the transaction execution by the consensus nodes in the step (2.6) and the step (2.7), sequencing the establishment by the consensus node in the step (2.6), packaging the establishment by the consensus node in the step (2.7) into a block, and then verifying and submitting a record book by the recording node in the step (2.4).
8. The method for intelligent execution of federation chain transactions according to claim 1, wherein the matching message encryption protection policy of step (4) comprises: and 2.2, after the simulation execution proposal of the backup node in the step 2.2, checking a simulation execution result, calling a dispersed privacy data method of the message module under the condition that a legal privacy data read-write set exists, distributing the privacy data to authorized backup nodes in the channel, and simultaneously storing the privacy data to the opposite item object in local cache.
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| CN111369245A (en) * | 2020-02-28 | 2020-07-03 | 杭州云象网络技术有限公司 | Alliance chain system for financial product sales |
| CN111782832A (en) * | 2020-07-02 | 2020-10-16 | 深圳市亲邻科技有限公司 | Examination method, device and system based on alliance chain |
| CN111679902B (en) * | 2020-08-14 | 2020-11-10 | 支付宝(杭州)信息技术有限公司 | Intelligent contract calling method and device based on block chain and electronic equipment |
| CN113037817B (en) | 2020-08-31 | 2022-12-20 | 支付宝(杭州)信息技术有限公司 | Method and device for starting intelligent contract, electronic equipment and storage medium |
| CN112182608B (en) * | 2020-09-25 | 2023-10-20 | 中国人民大学 | Method and system for regularly sharing alliance chain encryption data |
| CN112016115B (en) * | 2020-11-02 | 2021-02-05 | 中航信移动科技有限公司 | Event subscription system based on block chain |
| CN113721921A (en) * | 2021-09-01 | 2021-11-30 | 杭州云象网络技术有限公司 | Offline compiling method and system for alliance-chain multi-language external link code |
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