CN111667366B - Technology service transaction system and transaction method based on alliance blockchain - Google Patents
Technology service transaction system and transaction method based on alliance blockchain Download PDFInfo
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- CN111667366B CN111667366B CN202010409164.5A CN202010409164A CN111667366B CN 111667366 B CN111667366 B CN 111667366B CN 202010409164 A CN202010409164 A CN 202010409164A CN 111667366 B CN111667366 B CN 111667366B
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/42—Confirmation, e.g. check or permission by the legal debtor of payment
Abstract
The invention relates to a alliance-based blockchain science and technology service transaction system, wherein a science and technology service organization alliance updating module utilizes a blockchain sub-chain creation organization to issue an in-chain intelligent contract, when other science and technology service organizations initiate an in-chain application to the in-chain intelligent contract, the science and technology service organization sends a qualification certificate to the blockchain intelligent contract, and the blockchain intelligent contract checks the authority on the qualification certificate to determine whether to agree the science and technology service organization to join in the blockchain sub-chain; the technical service transaction module based on the block chain system receives a demand service request sent by a technical service demand party by using the block chain system and sends the demand service request of the technical service demand party to a corresponding technical service provider; the invention can greatly reduce the burden of the block chain storage and lighten the transmission pressure of a block chain network.
Description
Technical Field
The invention relates to the technical field of scientific and technological service transaction, in particular to a system and a method for trading scientific and technological service based on alliance blockchain.
Technical Field
The science and technology service industry is a new industry classification formed under the trend that the industry is continuously refined and divided and the industry is continuously integrated to grow. The science and technology service industry is an industry for providing services to society, is also an important component of the modern service industry, has technical and knowledge serving means, and serves objects in various industries of society. The feature different from the common commodity trade is also often existed in the science and technology service trade, that is, a single science and technology service provider often has difficulty in meeting the requirements of the user for the science and technology service, and the trade funds are also difficult to be ensured. On the other hand, the re-explosion of the blockchain also provides a new optimization direction for the scientific and technological service transaction; the weak centralization of the alliance chain can be just used for limiting information sharing and guaranteeing the information security of the organization chain.
In the existing research of technical services, the research direction is many, but the research on the transaction of the technical services is limited, and the research on the association of the transaction of the technical services with the blockchain is less. At present, the blockchain is subjected to fire explosion again, and becomes a hot spot for pursuit research of a plurality of people. The system is a distributed shared ledger and database, and has the characteristics of decentralization, non-falsification, transparent disclosure and the like. These features ensure the "honest" and "transparent" of the blockchain, laying a foundation for creating trust for the blockchain. The characteristics of the block chain are fully utilized, so that the scientific and technological service transaction can be refreshed. In the research of the prior blockchain application in transactions, although there is no case of combining the blockchain with the science and technology service transaction for research, some patents are worth referring. The patent 'blockchain transaction information processing method and blockchain node' reduces the transmission pressure of a blockchain network and can reduce the storage space of a single node by dividing related transaction information into a plurality of fragments and then transmitting each fragment to at least one target adjacent node of the blockchain node. The disadvantage is that storing each of the plurality of tiles of the same transaction information on a plurality of blockchain nodes may increase the overall blockchain load.
Disclosure of Invention
The invention aims to provide a block chain technology service transaction system and a transaction method based on alliance, which can greatly reduce the burden of block chain storage and lighten the transmission pressure of a block chain network.
To achieve the purpose, the invention provides a alliance block chain-based science and technology service transaction system, which is characterized in that: the system comprises a science and technology service organization alliance updating module and a science and technology service transaction module based on a blockchain system, wherein the science and technology service organization alliance updating module is used for utilizing a blockchain sub-chain creation organization to issue an in-chain intelligent contract, when other science and technology service organizations initiate an in-chain application to the in-chain intelligent contract, the science and technology service organization can send a qualification certificate to the blockchain intelligent contract, and the blockchain intelligent contract can check the authority on the qualification certificate to determine whether to agree the science and technology service organization to join the blockchain sub-chain; the technical service transaction module based on the block chain system is used for receiving a demand service request sent by a technical service demand party by using the block chain system and sending the demand service request of the technical service demand party to a corresponding technical service provider; the science and technology service organization alliance refers to that one or more organizations are combined to form an alliance, and the alliance is formed into a part of a blockchain in the form of a subchain. In the design of the patent, scientific and technological service transaction information is stored in a main chain of the blockchain and can be accessed by each sub-chain node, information in the sub-chain cannot be accessed by other sub-chain nodes, and information is partially concentrated and partially shared, namely the weak centralization is reflected;
the technical service transaction module based on the blockchain system is used for creating a supervision account according to the request of the supervision party, so that the technical service demand party transfers payment funds to the supervision account, the supervision account informs the scientific service provider of the balance information of the supervision account, and the scientific service provider provides corresponding scientific service;
the technical service transaction module based on the blockchain system is used for creating a transfer contract according to a request of a technical service provider and inviting a transaction participant to participate in the transfer contract, wherein the transaction participant comprises the technical service provider, a technical service demand party and a supervisor, and the transfer contract is stored in a blockchain main chain.
The technical service transaction module based on the blockchain system is used for collecting signatures of transaction participants on transfer contracts after the technical service demander confirms that the service is completed.
The science and technology service transaction module based on the blockchain system is used for transferring the payment funds of the science and technology service demand party from the supervision account to the science and technology service provider account after signing the transfer contract by the collection transaction participant.
The system comprises a scientific and technological service transaction module based on a block chain system, wherein the block chain system is used for returning payment funds of a scientific and technological service demand party from a supervision account to a scientific and technological service demand party account under the condition that the scientific and technological service demand party autonomously closes service transaction.
The invention has the beneficial effects that:
the invention can fully utilize the alliance blockchain to realize the sharing of data and information storage and retention to the blockchain platform in the technological service transaction process, and the weak centralization characteristic ensures that partial data and information flow into the main chain, and the mechanism information in the subchain is not accessed by other subchains, thereby greatly reducing the burden of storing the main blockchain and relieving the data information transmission pressure of the blockchain network. Different institutions in the alliance can provide services according to different aspects of the technical service, a complete and comprehensive technical service solution is formed, and requirements of technical service requirements of users can be met. The supervision party supervises the fund flow, and ensures the fund safety.
Drawings
FIG. 1 is a block diagram of the structure of the present invention;
FIG. 2 is a flow chart of the present invention;
FIG. 3 is a schematic diagram of a science and technology service alliance in accordance with the present invention.
Wherein, 1-a science and technology service organization alliance updating module, 2-a science and technology service transaction module based on a block chain system.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and specific examples:
the invention relates to a technology service transaction system based on a alliance blockchain, which is shown in fig. 1-3 and comprises a technology service organization alliance updating module 1 and a technology service transaction module 2 based on a blockchain system, wherein the technology service organization alliance updating module 1 is used for utilizing a blockchain sub-chain creation organization to issue an in-chain intelligent contract, when other technology service organizations initiate an in-chain application to the in-chain intelligent contract, the technology service organization can send a qualification certificate to the blockchain intelligent contract, and the blockchain intelligent contract can check the authority on the qualification certificate to determine whether to agree the technology service organization to join in the blockchain sub-chain; the technology service transaction module 2 based on the blockchain system is configured to receive a demand service request sent by a technology service demand party by using the blockchain system, and send the demand service request of the technology service demand party to a corresponding technology service provider;
the technical service transaction module 2 based on the blockchain system is used for creating a supervision account according to the request of a supervision party, so that a technical service demand party transfers payment funds to the supervision account, the supervision account informs a technical service provider of balance information of the supervision account, and the technical service provider provides corresponding technical service;
the technology service transaction module 2 based on the blockchain system is used for creating a transfer contract according to the request of a technology service provider and inviting a transaction participant to participate in the transfer contract, wherein the transaction participant comprises the technology service provider, the technology service demand party and a supervisor, and the transfer contract is stored in a blockchain main chain.
In the above technical solution, the blockchain system-based science and technology service transaction module 2 is configured to collect signatures of transaction participants on transfer contracts after the science and technology service demander confirms that the service is completed.
The science and technology service transaction module 2 based on the blockchain system is used for transferring the payment funds of the science and technology service demand party from the supervision account to the science and technology service provider account after signing the transfer contract by the transaction party.
The blockchain system-based scientific and technological service transaction module 2 is used for returning payment funds of the scientific and technological service demander from the supervision account to the scientific and technological service demander account under the condition that the scientific and technological service demander autonomously closes the service transaction.
In the above technical solution, the scientific and technological service organization is a social group, an enterprise, or a person providing scientific and technological service for the masses.
Whereas a science and technology service is a type of activity that provides mutual convenience through social organizations or members. The theory is used for linking the fact of nature with the phenomenon, thereby facilitating the application of scientific achievements to the solving process of actual problems. The information of eight technical service fields is respectively research and development design, technical transfer, entrepreneur incubation, technical finance, intellectual property, inspection and detection authentication, technical consultation and popularization of scientific technology.
In the technical scheme, each science and technology service mechanism is provided with an account blockchain belonging to the science and technology service mechanism, data stored in the own chain cannot be directly read by nodes of other chains, and the science and technology service mechanisms only share transaction data to a blockchain system for transaction and storage when transactions are generated between the science and technology service mechanisms;
the science and technology service organization alliance firstly determines that the science and technology service is different from common commodity transaction according to the characteristics of the science and technology service, namely dispersion and heterogeneous, so that the individual science and technology service provider is difficult to meet the requirements of the user for the science and technology service. Therefore, a federation chain is utilized to design a science and technology service organization federation (subchain), under the structure, each organization can have an account blockchain of the organization, data stored in the organization cannot be directly read by nodes of other chains, and the organization can only share transaction data to a blockchain system for transaction and storage when transactions are generated among the organizations, so that a complete science and technology service solution is provided in the subchain. Because it is the aggregate that must have an organization's exits and new organizations joined, it involves a science and technology service organization federation update.
In the above technical solution, a schematic diagram of a science and technology service organization union is shown in fig. 3, and the blockchain main chain stores all the science and technology service transaction information and can be accessed by other sub-link points. The block chain sub-chain shows the science and technology service organization alliance, different organizations exist, different alliance modes exist, the user information of the science and technology service provider can be selected to be shared only in the sub-chain, through the mechanism, the double-chain structure carries out the distribution processing on the user data and the transaction data, the data redundancy of the record node can be reduced to a certain extent, and the consensus speed of the system is improved. Under this architecture, each science and technology service organization can have its own account blockchain, the data stored in its own subchain cannot be directly read by the nodes of other subchains, the science and technology service organization only shares the transaction data onto the main chain to conduct transaction and storage when the transaction is generated between each other, this mechanism means that after the transaction is completed, the data of the client side of the bottom layer can only be seen by the relevant organization and regulatory organization of the subchain. The privacy of the data is guaranteed. And the information is selectively shared, so that the load of the block chain system can be reduced.
A block chain science and technology service transaction method of the system comprises the following steps:
step 1: the science and technology service organization alliance update module 1 utilizes a blockchain sub-chain creation organization to issue an in-chain intelligent contract, which is a computer protocol that aims to propagate, verify or execute contracts in an informative manner, and is a set of digitally defined commitments, including those on which the contract participants can execute. An in-link intelligent contract is a contract issued by a sub-link creation mechanism, including its constraints on the application in-link mechanism. The constraints in turn include: aging, security, credibility, price, quality, and whether information is willing to accept sharing;
step 2: when other science and technology service institutions initiate an in-chain application to the in-chain intelligent contract, the science and technology service institutions send qualification certificates to the blockchain intelligent contract, the blockchain intelligent contract checks the authority on the qualification certificates to determine whether to agree the science and technology service institutions to join the blockchain sub-chain, the qualification certificates of the in-chain institutions comprise information of services provided by the institutions, and the service information provided by the institutions comprises but is not limited to: aging, security, credibility, price and quality;
step 3: responding to the in-link application if the authority authentication of the blockchain intelligent contract on the qualification certificate passes, and refusing the in-link application if the authority authentication of the blockchain intelligent contract on the qualification certificate does not pass;
step 4: the technology service transaction module 2 based on the block chain system receives a demand service request sent by a technology service demand party by utilizing the block chain system and sends the demand service request of the technology service demand party to a corresponding technology service provider; in addition, the method also comprises the following steps: the technology service transaction module 2 based on the blockchain system receives technology service information transmitted from a technology service provider (alliance organization subchain), and the technology service information includes: the scope of the scientific service (which scientific service or services are included), the attribute of the scientific service (timeliness, security, credibility, price and quality), and the evaluation of the scientific service by a historical user;
the technical service transaction module 2 based on the blockchain system receives the demand service information sent by the technical service demand party, invokes the integrity management contract, and returns evaluation information of at least one of the technical service demand party and the technical service requesting the inquiry to the technical service demand party so as to facilitate the reference of the technical service demand party;
step 5: the technical service transaction module 2 based on the blockchain system creates a supervision account according to the request of the supervision party, so that the technical service demand party transfers payment funds to the supervision account, the supervision account informs the scientific service provider of the balance information of the supervision account, and the scientific service provider provides corresponding scientific service;
step 6: the technology service transaction module 2 based on the blockchain system creates a transfer contract according to the request of a technology service provider and invites a transaction participant to participate in the transfer contract, wherein the transaction participant comprises the technology service provider, the technology service demand party and a supervisor, and the transfer contract is stored in a blockchain main chain;
the technical service provider requests to create a transfer contract to the blockchain system, provides services for the technical service demand side after receiving the balance information of the supervision account, and signs the transfer contract after the technical service demand side confirms that the services are completed; scientific and technological service demand side: configured to send a demand service request to the blockchain system, and transfer the payment funds to the administrative account, and to sign the transfer contract after confirming that the service is completed; and (3) a supervision party: the system comprises a block chain system, a technical service provider and a service transaction participant, wherein the block chain system is configured to request to create a supervision account and invite the service transaction participant to participate in a transfer contract, inform the technical service provider of balance information of the supervision account, and sign the transfer contract when the technical service demander confirms that the service is completed;
the method comprises the steps that a transfer contract is created by a contract management contract, and transfer operation is triggered to be executed, wherein after the contract management contract monitors a transfer contract centralization signature, the transfer contract is triggered to execute the transfer operation, and the transfer contract transfers payment funds of a science and technology service demand party from a supervision account to a science and technology service provider account;
step 7: after the scientific and technological service demand side confirms that the service is finished, the scientific and technological service transaction module 2 based on the blockchain system collects the signature of the transaction participant on the transfer contract;
step 8: the technical service transaction module 2 based on the blockchain system transfers the payment funds of the technical service demander from the supervision account to the account of the technical service provider after the signing of the transfer contract by the transaction participator is completed;
step 9: the blockchain system-based scientific and technological service transaction module 2 is used for returning payment funds of the scientific and technological service demander from the supervision account to the scientific and technological service demander account under the condition that the scientific and technological service demander autonomously closes the service transaction.
The blockchain system records the technological service information provided by the technological service provider, and the technological service information comprises: the scope of the scientific service (which scientific service or services are included), the attribute of the scientific service (time-lapse, security, credibility, price, quality), and the evaluation of the scientific service by the historical user.
The blockchain system records that the science and technology service provider provides the issuing service information for the science and technology service demander and invokes the science and technology service tracking contract to track the completion of the science and technology service.
The blockchain system records that the technological service demander confirms that the service is finished, and invokes the integrity management contract for mutual evaluation of the service transaction parties.
The blockchain system provides a traceability service according to the recorded at least one piece of information.
The blockchain system provides the technical service information to the supervisory party so that the supervisory party arbitrates the commodity which is proposed by the technical service demand party to be objection.
The technical scheme of the invention is described below by taking the technical service transaction field, the blockchain field and the application in the instances of the two sides of the technical service transaction as embodiments based on a alliance blockchain technical service transaction system.
Mainly comprises two parts.
Suppose 1, the business process of a scientific service is "xxx class product development design". The design process includes, but is not limited to: market research and development, scientific and technological consultation, product design, LOGO design, test service, and market operation investigation. The design initializer creates a blockchain block, and issues the technology service requirements and the details of the requirements in which aspect are needed into the blockchain as follows:
that is, the sub-chain creation mechanism issues an in-chain smart contract that contains service constraints on the required technology service provider.
When a science and technology service provider interested in a link, such as a LOGO design, initiates an in-chain application for the smart contract, the organization will issue a qualification certificate to the smart contract, and the smart contract will check the rights on the qualification certificate to determine whether to agree to the organization to join. If the qualification certificate passes, responding to the chaining application, notifying other blocks, and updating information; if the qualification certificate does not pass, rejecting the in-link application, notifying other blocks, and updating information.
Thus, in the alliance blockchain, a complete and high-quality guaranteed service is provided for the technological service requirement of 'xxx product research and development design'. Moreover, due to the characteristics of the alliance blockchain, all providers in the alliance chain can effectively communicate information, information is shared in the alliance chain, and other chains cannot interfere or steal information without permission.
Assuming 2, after a user sends an "xxx-type product" request to the blockchain, the blockchain system receives a demand service request sent by a technological service requester, and notifies the corresponding technological service provider of the demand service request of the technological service requester, i.e. "xxx-type product development design" the alliance chain block. The blockchain system creates a supervision account according to the request of the supervision party, so that the science and technology service demand party transfers payment funds to the supervision account, the supervision account informs the supervision account balance information to a coalition chain formed by the science and technology service provider, and the science and technology service provider coalition chain provides science and technology service according to demand details. The blockchain system creates a transfer contract according to a request of a science and technology service provider and invites a transaction participant to participate in the transfer contract, wherein the transaction participant comprises the science and technology service provider, the science and technology service demander and the supervisor. After the scientific and technological service demander confirms that the service is finished, the blockchain system collects the signature of the transaction participant on the transfer contract. The blockchain system transfers the payment funds of the technology service demander from the supervising account to the technology service provider account after the signing of the transfer contract by the trading participant is completed. However, in the case where the scientific service demander autonomously shuts down the service transaction, that is, the scientific service demand is not completed. The blockchain system refunds the payment funds of the technology service demander from the administrative account to the technology service demander account.
What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (2)
1. A alliance-based blockchain-based scientific and technological service transaction system, which is characterized in that: the system comprises a science and technology service organization alliance updating module (1) and a science and technology service transaction module (2) based on a blockchain system, wherein the science and technology service organization alliance updating module (1) is used for utilizing a blockchain subchain creation organization to issue an in-chain intelligent contract, the intelligent contract is a computer protocol aiming at propagating, verifying or executing the contract in an informationized mode, is a set of digitally defined promises, comprises a contract participant can execute the promises on the agreement, and the in-chain intelligent contract is a contract issued by the subchain creation organization and comprises the restraint of the in-chain organization, wherein the restraint comprises the following steps: if the time, the safety, the credibility, the price, the quality and the information are willing to accept sharing, when other science and technology service institutions initiate a chain-in application to the chain-in intelligent contract, the science and technology service institutions send qualification certificates to the blockchain intelligent contract, and the blockchain intelligent contract checks the authority on the qualification certificates to determine whether to agree the science and technology service institutions to join the blockchain sub-chain; the technical service transaction module (2) based on the block chain system is used for receiving a demand service request sent by a technical service demand party by using the block chain system and sending the demand service request of the technical service demand party to a corresponding technical service provider;
the technical service transaction module (2) based on the blockchain system is used for creating a supervision account according to the request of a supervision party, so that a technical service demand party transfers payment funds to the supervision account, the supervision account informs a technical service provider of balance information of the supervision account, and the technical service provider provides corresponding technical service;
the system comprises a science and technology service transaction module (2) based on a blockchain system, a system management module and a system management module, wherein the science and technology service transaction module (2) is used for creating a transfer contract according to a request of a science and technology service provider and inviting a transaction participant to participate in the transfer contract, wherein the transaction participant comprises the science and technology service provider, a science and technology service demand party and a supervisor, and the transfer contract is stored in a blockchain main chain;
each science and technology service mechanism is provided with an account blockchain belonging to the science and technology service mechanism, data stored in the own chain cannot be directly read by nodes of other chains, and the science and technology service mechanisms only share transaction data to a blockchain system for transaction and storage when transactions are generated among the science and technology service mechanisms;
the block chain main chain stores all the technological service transaction information, the block chain sub chain represents the technological service mechanism alliance, different mechanisms and different alliance modes, through the mechanism, the double-chain structure carries out the shunting processing on user data and transaction data, under the structure, each technological service mechanism can have account block chain belonging to the mechanism, the data stored in the own sub chain cannot be directly read by the nodes of other sub chains, the technological service mechanism shares the transaction data on the main chain for transaction and storage only when the technological service mechanisms generate transactions with each other, and the mechanism means that after the transaction is completed, the data of the client side of the bottom layer can only be seen by the related mechanism and the supervision mechanism of the sub chain;
the blockchain system records the technological service information provided by the technological service provider, and the technological service information comprises: the technological service range, the technological service attribute and the evaluation of the technological service by the historical user;
the blockchain system records that the science and technology service provider provides service sending information for the science and technology service demander and invokes a science and technology service tracking contract to track the completion condition of the science and technology service;
the block chain system records that the scientific and technological service demand side confirms that the service is finished, and invokes an integrity management contract for mutual evaluation of the service transaction sides;
the blockchain system provides a traceability service according to the recorded at least one piece of information;
the technical service transaction module (2) based on the blockchain system is used for collecting signatures of transaction participants on transfer contracts after the technical service demander confirms that the service is completed;
the science and technology service transaction module (2) based on the blockchain system is used for transferring the payment funds of the science and technology service demand party from the supervision account to the science and technology service provider account after the signing of the transfer contract by the transaction party is completed;
the technical service transaction module (2) based on the blockchain system is used for returning payment funds of the technical service demand party from the supervision account to the technical service demand party account under the condition that the technical service demand party autonomously closes the service transaction;
each organization can have an account blockchain belonging to the organization, data stored in the organization cannot be directly read by nodes of other chains, the organization can share transaction data to a blockchain system for transaction and storage only when transactions are generated among the organizations, and a complete scientific and technological service solution is provided in a sub-chain, because the collection certainly has the organization to exit and a new organization to join, and the updating of a scientific and technological service organization alliance is related;
the block chain main chain stores all the technological service transaction information and can be accessed by other sub-chain link points, the block chain sub-chain represents the technological service organization alliance, different organizations and different alliance modes exist, the user information of the technological service provider can select to be shared only inside the sub-chain, through the mechanism, the double-chain structure carries out the distribution processing on the user data and the transaction data, under the structure, each technological service organization can have an account block chain belonging to the organization, the data stored in the own sub-chain cannot be directly read by the nodes of other sub-chains, the technological service organization can only share the transaction data onto the main chain for transaction and storage when the mutual transaction is generated, and the mechanism means that after the transaction is completed, the data of the client side of the bottom layer can only be seen by the relevant organization and the supervision organization of the sub-chain.
2. A blockchain science and technology service trading method based on the system of claim 1, comprising the steps of:
step 1: the technology service organization alliance updating module (1) utilizes a block chain sub-chain creation organization to issue an in-chain intelligent contract;
step 2: when other science and technology service institutions initiate an in-chain application to the in-chain intelligent contract, the science and technology service institutions send qualification certificates to the blockchain intelligent contracts, and the blockchain intelligent contracts check the authority on the qualification certificates to determine whether to agree the science and technology service institutions to join the blockchain sub-chain;
step 3: responding to the in-link application if the authority authentication of the blockchain intelligent contract on the qualification certificate passes, and refusing the in-link application if the authority authentication of the blockchain intelligent contract on the qualification certificate does not pass;
step 4: a science and technology service transaction module (2) based on a block chain system receives a demand service request sent by a science and technology service demand party by using the block chain system and sends the demand service request of the science and technology service demand party to a corresponding science and technology service provider;
step 5: a science and technology service transaction module (2) based on a blockchain system creates a supervision account according to a request of a supervision party, so that a science and technology service demand party transfers payment funds to the supervision account, the supervision account informs a science and technology service provider of balance information of the supervision account, and the science and technology service provider provides corresponding science and technology service;
step 6: a science and technology service transaction module (2) based on a blockchain system creates a transfer contract according to a request of a science and technology service provider and invites a transaction participant to participate in the transfer contract, wherein the transaction participant comprises the science and technology service provider, a science and technology service demand party and a supervisor, and the transfer contract is stored in a blockchain main chain;
step 7: after the scientific and technological service demand side confirms that the service is finished, the scientific and technological service transaction module (2) based on the blockchain system collects the signature of the transaction participant on the transfer contract;
step 8: the technical service transaction module (2) based on the blockchain system transfers the payment funds of the technical service demand party from the supervision account to the account of the technical service provider after the signing of the transfer contract by the transaction party is completed;
step 9: the technical service transaction module (2) based on the blockchain system is used for returning payment funds of the technical service demand party from the supervision account to the technical service demand party account under the condition that the technical service demand party autonomously closes the service transaction.
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| CN202010409164.5A CN111667366B (en) | 2020-05-14 | 2020-05-14 | Technology service transaction system and transaction method based on alliance blockchain |
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| CN112511309B (en) * | 2020-11-19 | 2022-07-08 | 从法信息科技有限公司 | Method and device for directionally sharing supervision-oriented information on block chain and electronic equipment |
| CN113011894B (en) * | 2021-03-29 | 2023-04-07 | 昆明理工大学 | Financial derivative digital transaction system based on trusted computing and intelligent contract |
| CN113177092B (en) * | 2021-05-21 | 2023-07-25 | 中船黄埔文冲船舶有限公司 | Sharing method, alliance chain and system for ship manufacturing inspection data |
| CN113420092B (en) * | 2021-06-30 | 2024-02-23 | 中国银行股份有限公司 | Three-party access method and device based on block chain |
| CN115310886B (en) * | 2022-10-12 | 2023-01-24 | 广东省科技基础条件平台中心 | Enterprise hatching management system and method based on block chain |
| CN116862508A (en) * | 2023-07-13 | 2023-10-10 | 华中农业大学 | Machine learning model transaction system based on alliance blockchain |
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