CN111651521B - Electronic contract block chain structure, electronic contract signing device and method - Google Patents
Electronic contract block chain structure, electronic contract signing device and method Download PDFInfo
- Publication number
- CN111651521B CN111651521B CN202010461691.0A CN202010461691A CN111651521B CN 111651521 B CN111651521 B CN 111651521B CN 202010461691 A CN202010461691 A CN 202010461691A CN 111651521 B CN111651521 B CN 111651521B
- Authority
- CN
- China
- Prior art keywords
- contract
- module
- electronic
- signing
- electronic contract
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2365—Ensuring data consistency and integrity
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
Abstract
The application provides an electronic contract block chain structure, an electronic contract signing device and a method, which belong to the technical field of electronic contracts, and are composed of an electronic contract signing application system and an electronic contract block chain, wherein the electronic contract signing application system comprises a user login authentication module, a key management module, an electronic signature module, a data encryption and decryption module, a contract auditing module, a contract linking module, a contract signing module and a data acquisition module, and the electronic contract block chain comprises an interface service module, a transaction construction module, an intelligent contract module, a state control engine, a block chain transaction account book and a large file storage engine; the method and the system provide trusted hosting for the electronic contract through the blockchain technology, so that the safe storage and non-falsification of large file data of the electronic contract are ensured; the signing process of the electronic contract is recorded truly and credibly based on the blockchain, the whole process is traceable, the signing state of the electronic contract is intelligently changed in real time, and the credibility of the signing state is ensured.
Description
Technical Field
The present disclosure relates to the field of electronic contracts, and in particular, to an electronic contract block chain structure, an electronic contract signing device and an electronic contract signing method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Most of the existing signing modes adopt paper contracts, adopt the modes of signing, stamping or stamping, but along with the development of modernization and the continuous enrichment of business modes, the paper contracts are signed due to complicated processes, time and labor waste, and the risks of contract loss and damage exist in the later stage, so that the requirements of the existing contracts cannot be met. With the development of internet technology and the perfection of corresponding laws and regulations, electronic contracts are beginning to be widely used. Traditional electronic contract management modes often rely on third party servers, data centers, etc., with security being primarily dependent on the third party electronic contract service provider's corporate trust endorsements. The data is stored in a third party in a centralized way, so that the risk of a centralized system is brought, and if the third party is dishonest or suffers from external attack, the data leakage can pose a great threat to the privacy of the participants.
The blockchain technology mainly comprises cryptography, a consensus mechanism, an intelligent contract, a distributed account book and the like, has the properties of non-falsifiable information, common maintenance of multiple nodes and the like, records trusted transaction information in real time, ensures that each node in the blockchain is equal, does not have a centralized management mechanism, does not need any intervention of anyone in operation, ensures non-falsifiable stored information, and provides a opportunity for solving the problems of electronic contract centralization, data security and the like.
The inventor discovers that most of alliance chain platforms in the industry do not support the storage of large files or the storage of large file data with limited size on a chain at present, an application layer is required to store the large file data, only the digital abstract value of the large file data is stored in a block chain, disaster recovery management, high availability, encryption and decryption, correctness verification and the like of the large file are all required to be realized by the application layer, and the safety of the large file data is difficult to guarantee; for supervision, each participant in the public chain is anonymous, so that the transaction activities of each participant are difficult to supervise, the alliance chain or the private chain is permitted to access, and convenience is provided for supervision by verifying the identity information of the participants, but the supervision has lower openness degree, and effective safety supervision cannot be realized.
Disclosure of Invention
In order to solve the defects of the prior art, the disclosure provides an electronic contract block chain structure, an electronic contract signing device and an electronic contract signing method, which provide trusted trusteeship for an electronic contract through a block chain technology, and ensure that large file data of the electronic contract is safely stored and cannot be tampered; the signing process of the electronic contract is recorded truly and credibly based on the blockchain, so that the whole process is traceable, the signing state of the electronic contract is intelligently changed in real time, and the credibility of the signing state is ensured; and constructing a blockchain supervision interface to support real-time supervision of the electronic contract signing process by a supervision party.
In order to achieve the above purpose, the present disclosure adopts the following technical scheme:
the first aspect of the present disclosure provides an electronic contract blockchain structure.
An electronic contract blockchain structure comprises an intelligent contract module, a state control engine and a blockchain transaction ledger;
the smart contract module is configured to at least: providing an intelligent contract creation function for electronic contract assets, wherein the intelligent contract is self-defined and self-interpreted for electronic contract signing operation, intelligently controlling the authority of signing parties and the conversion rule of contracted transaction states, and realizing related transaction of electronic contract signing;
the state control engine is configured to at least: changing the contract signing state in real time according to the electronic contract transaction type or the operation type of the electronic contract transaction and the electronic contract signing state conversion rule agreed by the intelligent contract module;
the blockchain transaction ledger is configured to at least: and recording transaction records of all electronic contracts on the blockchain by adopting a distributed account book.
The second aspect of the present disclosure provides an electronic contract signing device, which uses the electronic contract block chain structure described in the first aspect of the present disclosure, and includes an electronic signature module, a data encryption and decryption module, a contract chaining module, a contract signing module and a data obtaining module;
the electronic signature module is configured at least to: storing, capping and verifying the electronic signature of the signing party and the electronic seal;
the data encryption and decryption are at least configured to: encryption before data is uploaded to the blockchain and decryption of downloaded data from the blockchain;
together with the uplink module, at least configured to: inputting electronic contract data, calling a data encryption and decryption module to carry out encryption processing, then constructing an electronic contract uplink transaction request, and uploading the electronic contract to a blockchain;
a contract signing module configured to at least: calling an electronic signature module to sign an electronic signature and an electronic signature on the electronic contract, providing a message notification function, pushing the signing state of the contract and reminding information;
a data acquisition module configured to at least: and (5) invoking a data encryption and decryption module to decrypt, constructing a data acquisition transaction request, and acquiring the electronic contract data on the blockchain.
A third aspect of the present disclosure provides a method of signing an electronic contract.
A signing method of electronic contract, utilizing the electronic contract signing device of the second aspect of the disclosure, comprising the following steps:
the initiator logs in the electronic contract signing application system, and after the authentication is passed, electronic contract text and other accessory materials are input into the electronic contract signing application system to form electronic contract data;
after checking, the initiator calls the data encryption and decryption module to encrypt the electronic data, and the electronic data is uploaded to the electronic contract block chain through the contract uplink module;
calling an electronic signature module to sign an electronic contract, intelligently changing the signing state of the electronic contract through a state control engine, pushing a state change notice to signing parties through the contract signing module, and intelligently reminding to participate in the signing of the contract in time;
the invited party acquires the electronic contract on the blockchain by using the data encryption and decryption module and audits the electronic contract by using the private key, and calls the electronic signature module to cover the electronic signature after the audit is correct;
the invitee calls a contract uploading module to upload the electronic contract with the electronic signature to the blockchain, the state control engine intelligently changes the signing state of the contract, and the contract signing module pushes notification of the completion of signing the contract to the signing parties, so that the signing of the whole electronic contract is completed.
A fourth aspect of the present disclosure provides a blockchain transaction request processing method.
A blockchain transaction request processing method utilizing the electronic contract blockchain structure of the first aspect of the disclosure, comprising the steps of:
making electronic contract operation authority and state conversion rules, and deploying the electronic contract operation authority and state conversion rules to a blockchain;
the interface service module receives a transaction request related to the electronic contract;
verifying whether the electronic contract transaction request initiator is a legal user, if the identity authentication of the main body is not passed, feeding back a verification failure result to the user through the interface service module, and ending the flow;
if the verification is passed, the transaction construction module verifies the legitimacy of the transaction according to the intelligent contract, and constructs related electronic contract transaction after the verification is passed;
calling a functional module to execute legal transaction requests;
the state control engine intelligently changes the state of the electronic contract according to the transaction execution result;
and the electronic contract transaction record passing the authentication is saved to the blockchain distributed transaction ledger.
Compared with the prior art, the beneficial effects of the present disclosure are:
1. the structure, the device and the method provide trusted hosting for the electronic contract through the blockchain technology, realize the uplink of large-capacity data of the electronic contract text by utilizing the electronic contract blockchain large file storage engine, and ensure the safety and the non-tamper property of the electronic contract data on the chain.
2. The structure, the device and the method realize the whole-course record and real-time credible tracing of the electronic contract signing process by using the block chain distributed account book, and realize the control of the electronic contract signing state.
3. The structure, the device and the method disclosed by the disclosure provide a supervision interface for a supervision party based on the blockchain, and the supervision party realizes real-time supervision of the running condition of the blockchain platform according to the electronic contract transaction record data, so that the transition from result supervision to process supervision is realized.
Drawings
Fig. 1 is a schematic diagram of an electronic contract blockchain structure provided in embodiment 1 of the disclosure.
Fig. 2 is a schematic structural diagram of a blockchain-based electronic contract signing device according to embodiment 2 of the present disclosure.
Fig. 3 is a flowchart of electronic contract signing provided in embodiment 3 of the present disclosure.
Fig. 4 is a block chain transaction request processing flowchart provided in embodiment 4 of the present disclosure.
Fig. 5 is an example of an electronic contract signing status transition rule provided by embodiment 4 of the present disclosure.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Embodiments of the application and features of the embodiments may be combined with each other without conflict.
Example 1:
as shown in fig. 1, embodiment 1 of the present disclosure provides an electronic contract blockchain structure 12, including an interface service module 121, a transaction construction module 122, an intelligent contract module 123, a state control engine 124, a blockchain transaction ledger 125, a big file storage engine 126;
the interface service module 121 is a blockchain external service interface, receives a request of an external application, invokes a function module to execute the request, and feeds back an execution result, and comprises a transaction interface 1211, a data query interface 1212 and a supervision interface 1213;
a transaction interface 1211, which provides an interface for signing applications of the electronic contract, and receives related transaction requests such as the uplink and the downlink of the electronic contract;
a data query interface 1212 that provides blockchain data for external applications, including electronic contract data, signing records, contract upload records, contract acquisition records, contract review records, and the like;
a supervision interface 1213, which provides an interface for a supervision party, and supports the supervision party to monitor the node running state, the total number of contracts, the account number, the transaction number, the signing process and the like of the electronic contract blockchain platform on line based on the blockchain in real time;
the transaction construction module 122 checks the authenticity of the electronic signature information according to the transmitted transaction request, checks whether the transaction meets the contract conditions of the intelligent contract, constructs the related transaction of the electronic contract, and calls the functional module to execute the transaction;
the intelligent contract module 123 provides a creating function of intelligent contracts for electronic contract assets, the intelligent contracts are self-defined and self-interpreted for electronic contract signing operation, the rights of signing parties and conversion rules of agreed transaction states are intelligently controlled, and related transactions of electronic contract signing are realized;
the state control engine 124 changes the contract signing state in real time according to the electronic contract transaction type or the operation type of the electronic contract transaction and the electronic contract signing state conversion rule agreed by the intelligent contract module;
the blockchain transaction ledger 125 adopts a distributed ledger, records transaction records of all electronic contracts on the blockchain, including transaction records of electronic contracts on the same chain, acquisition, reference and the like, and ensures the non-falsifiability of information on the chain;
the large file storage engine 126 stores large capacity data such as electronic contracts and affiliated agreements, and ensures high availability, consistency, non-tamper ability, etc. of the large capacity file data based on copy allocation, consistency check, minimum available copy control policy, etc.
The large file storage engine uniquely identifies the large file through a digital abstract technology, stores the large file based on a partition storage strategy, constructs a multi-centralized large file storage layer, declares the large file identification and a verification value thereof in a transaction, realizes the large file data uplink based on a link up-link down-anchoring and cross-validation mechanism, and ensures the consistency and the non-tamper-resistance of the large file data;
the number of available copies of the large file is monitored in real time, the large file copies are scheduled in real time through the minimum available copy control strategy of the large file, the high availability of large file data is guaranteed, and the potential safety hazard of the centralized storage node is completely eliminated.
Example 2:
as shown in fig. 2, embodiment 2 of the present disclosure provides a blockchain-based electronic contract signing apparatus including an electronic contract signing application 11 and utilizing the electronic contract blockchain structure 12 described in embodiment 1.
The electronic contract signing application system 11 comprises a user login authentication module 111, a key management module 112, an electronic signature module 113, a data encryption and decryption module 114, a contract auditing module 115, a contract linking module 116, a contract signing module 117 and a data acquisition module 118;
the user login authentication module 111 invokes the key management module to create a unique blockchain account and public and private key for each user for authenticating the user identity of the new user, the user who has acquired the blockchain account logs in directly, the login party information is detected, and the login person identity is determined;
the key management module 112 allocates and manages blockchain account keys, including public keys and private keys, and unlocks the password use keys by inputting the keys;
the electronic signature module 113 stores, caps and verifies the electronic signature and the electronic seal of the signing party, and guarantees the authenticity and the integrity of the electronic contract and the non-repudiation of the signer;
the data encryption and decryption module 114 comprises data encryption uploading to the blockchain and data decryption downloading on the blockchain, wherein the data is encrypted by using public keys of blockchain accounts of both signing parties during the uplink, and decrypted by using private keys of the blockchain accounts during the data acquisition, so that the security of the electronic contract data is ensured;
the contract auditing module 115 audits the electronic contract text and other relevant information;
the contract uplink module 116 is used for inputting the electronic contract data, calling the data encryption and decryption module to encrypt and then constructing an electronic contract uplink transaction request, and uploading the electronic contract to the blockchain;
the contract signing module 117 calls the electronic signing module to sign electronic signature and electronic signature on the electronic contract, provides a message notification function, and pushes information such as contract signing state, intelligent reminding and the like;
the data acquisition module 118 invokes the data encryption and decryption module to decrypt and construct a data acquisition transaction request to acquire electronic contract data on the blockchain, including electronic contract original information, signing status information, signing record information and the like.
Example 3:
as shown in fig. 3, embodiment 3 of the present disclosure provides a signing method of an electronic contract, using the blockchain-based electronic contract signing apparatus of embodiment 2, including the steps of:
(1) The initiator logs in the electronic contract signing application system, and after the authentication is passed, electronic contract text and other accessory materials are input into the electronic contract signing application system to form electronic contract data;
(2) After checking, the initiator calls the data encryption and decryption module 114 to encrypt the electronic data, and the electronic data is uploaded to the electronic contract block chain through the contract uplink module 116;
(3) Calling an electronic signature module 113 to sign an electronic signature for the electronic contract, intelligently changing the signing state of the electronic contract through a state control engine 124, and pushing a state change notice to both signing parties through a contract signing module 117, wherein the intelligent reminding is timely participated in the signing of the contract;
(4) The invitee uses the data encryption and decryption module 114 to acquire the electronic contract on the blockchain by using the private key and to audit the electronic contract, and after the audit is completed, the electronic signature module 113 is called to seal the electronic signature;
(5) The invitee invokes the contract uploading module 116 to upload the electronic contract with the electronic signature to the blockchain, the state control engine 124 intelligently changes the contract signing state, and the contract signing module 117 pushes notification of the completion of the contract signing to the signing parties, so as to complete the signing of the whole electronic contract;
(6) The supervision department supervises the signing process of the electronic contract in real time based on the blockchain through the supervision interface 1213, comprehensively grasps the running condition of the platform, and realizes the dynamic monitoring and automatic early warning in the running process of the platform;
(7) All transaction uses in the signing process are recorded on the blockchain transaction ledger 125, enabling traceability of the transaction records.
Example 4:
as shown in fig. 4, embodiment 4 of the present disclosure provides a blockchain transaction request processing method, which uses the electronic contract blockchain structure described in embodiment 1, as follows:
a01, making electronic contract operation authority and state conversion rules, and deploying the rules to a blockchain;
step A02: the interface service module receives a transaction request related to the electronic contract;
step A03: verifying whether the electronic contract transaction request initiator is a legal user, if the electronic contract transaction request initiator passes the verification, entering a step A05, otherwise entering a step A04;
step A04: if the identity authentication of the main body fails, the authentication failure result is fed back to the user through the interface service module, and the process is finished;
step A05: the transaction construction module verifies the legitimacy of the transaction according to the intelligent contract, and constructs related electronic contract transaction after verification;
step A06: calling a functional module to execute legal transaction requests;
step a07: the state control engine intelligently changes the state of the electronic contract according to the transaction execution result;
step A08: and the electronic contract transaction record passing the authentication is saved to the blockchain distributed transaction ledger.
Referring to fig. 4, an electronic contract signing status transition rule example:
(1) The original state of the contract in the blockchain is an initial state;
(2) After signing by the initiator, the electronic contract is converted into a state to be confirmed in the blockchain;
(3) The invitee confirms the signing, and the electronic contract is compliant, and the electronic contract within the contract date is the valid contract in the blockchain;
(4) If any one of the two parties changes the contract, the signing state is changed into a state to be confirmed;
(5) If the contract is not compliant, the agent terminates the contract, or the contract expires, the electronic contract will transition to a terminated state in the blockchain state.
The foregoing description of the preferred embodiments of the present disclosure is provided only and not intended to limit the disclosure so that various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (9)
1. The electronic contract blockchain structure is characterized by comprising an intelligent contract module, a state control engine, a blockchain transaction ledger and a large file storage engine;
the smart contract module is configured to at least: providing an intelligent contract creation function for electronic contract assets, wherein the intelligent contract is used for customizing and self-explaining electronic contract signing operation, controlling the authority of signing parties and the conversion rule of contracted transaction states;
the state control engine is configured to at least: changing the contract signing state in real time according to the electronic contract transaction type or the operation type of the electronic contract transaction and the electronic contract signing state conversion rule agreed by the intelligent contract module;
the state transition rule specifically comprises the following steps:
the original state of the contract in the blockchain is an initial state;
after signing by the initiator, the electronic contract is converted into a state to be confirmed in the blockchain;
the invitee confirms the signing, and the electronic contract is compliant, and the electronic contract within the contract date is the valid contract in the blockchain;
if any one of the two parties changes the contract, the signing state is changed into a state to be confirmed;
if the contract is not compliant, the agent terminates the contract or the contract expires, the electronic contract is converted into a termination state in the blockchain state;
the blockchain transaction ledger is configured to at least: recording transaction records of all electronic contracts on a blockchain by adopting a distributed account book;
the large file storage engine is configured to at least: and storing the large-capacity data, and ensuring high availability, consistency and non-tamper property of the large-capacity file data based on a copy allocation and consistency check sum minimum available copy control strategy, wherein a large file storage engine uniquely identifies the large file through a digital summary technology, stores the large file based on a partition storage strategy, constructs a multi-centralized large file storage layer, and declares the large file identification and a check value thereof in transactions.
2. The electronic contract blockchain structure of claim 1, further comprising an interface service module, a transaction construction module, and a large file storage engine;
the interface service module is configured at least to: the block chain is used for an external service interface, receiving a request of an external application, calling a function module to execute the request, and feeding back an execution result;
the transaction construction module is configured to at least: and verifying the authenticity of the electronic signature information according to the transmitted transaction request, verifying whether the transaction meets the contract conditions of the intelligent contract, constructing the electronic contract related transaction, and calling the functional module to execute the transaction.
3. The electronic contract blockchain structure of claim 2, wherein the interface service module includes a transaction interface, a data query interface, and a supervision interface;
the transaction interface is configured at least to: providing an interface for signing application of the electronic contract, and receiving related transaction requests of the electronic contract in uplink and downlink;
a data query interface configured at least to: providing blockchain data for external applications, including electronic contract data, signing records, contract upload records, contract acquisition records, and contract review records;
a supervisory interface configured to at least: the system provides an interface for a supervisor, and supports the supervisor to monitor the node running state, the total number of contracts, the account number, the transaction number and the signing process of the electronic contract blockchain platform on line based on the blockchain.
4. An electronic contract signing device based on the electronic contract block chain structure as claimed in any one of claims 1-3, which is characterized by comprising an electronic signature module, a data encryption and decryption module, a contract chaining module, a contract signing module and a data acquisition module;
the electronic signature module is configured at least to: storing, capping and verifying the electronic signature of the signing party and the electronic seal;
the data encryption and decryption are at least configured to: encryption before data is uploaded to the blockchain and decryption after data is downloaded from the blockchain;
together with the uplink module, at least configured to: inputting electronic contract data, calling a data encryption and decryption module to carry out encryption processing, then constructing an electronic contract uplink transaction request, and uploading the electronic contract to a blockchain;
a contract signing module configured to at least: calling an electronic signature module to sign an electronic signature and an electronic signature on the electronic contract, providing a message notification function, pushing the signing state of the contract and reminding information;
a data acquisition module configured to at least: and (5) invoking a data encryption and decryption module to decrypt, constructing a data acquisition transaction request, and acquiring the electronic contract data on the blockchain.
5. The electronic contract signing apparatus of claim 4, further comprising a login authentication module, a key management module, and a contract auditing module;
the login authentication module is configured at least to: for the new user authentication user identity, a key management module is called to create a unique blockchain account and a public and private key for each user; directly logging in the user of the acquired blockchain account, detecting login party information, and determining the identity of a login person;
the key management module is configured at least to: distributing and managing a blockchain account key, wherein the blockchain account key comprises a public key and a private key, and unlocking a password by inputting the key to use the key;
the contract auditing module is at least configured to: and auditing the electronic contract text and the contract related information.
6. A method of signing an electronic contract, characterized by using the electronic contract signing apparatus as claimed in any one of claims 4 to 5, comprising the steps of:
the initiator logs in the electronic contract signing application system, and after the authentication is passed, electronic contract text and other accessory materials are input into the electronic contract signing application system to form electronic contract data;
after checking, the initiator calls the data encryption and decryption module to encrypt the electronic data, and the electronic data is uploaded to the electronic contract block chain through the contract uplink module;
calling an electronic signature module to sign an electronic contract, intelligently changing the signing state of the electronic contract through a state control engine, pushing a state change notice to signing parties through the contract signing module, and intelligently reminding to participate in the signing of the contract in time;
the invited party acquires the electronic contract on the blockchain by using the data encryption and decryption module and audits the electronic contract by using the private key, and calls the electronic signature module to cover the electronic signature after the audit is correct;
the invitee calls a contract uploading module to upload the electronic contract with the electronic signature to the blockchain, the state control engine intelligently changes the signing state of the contract, and the contract signing module pushes notification of the completion of signing the contract to the signing parties, so that the signing of the whole electronic contract is completed.
7. The method of signing an electronic contract according to claim 6, characterized by the further step of:
the supervision department supervises the signing process of the electronic contract in real time based on the blockchain through the supervision interface, monitors the running condition of the platform in real time, and realizes dynamic monitoring and automatic early warning in the running process of the platform.
8. The method of signing an electronic contract according to claim 6, characterized by the further step of: all transaction uses in the signing process are recorded on the blockchain transaction ledger, so that the traceability and the searchability of the transaction records are realized.
9. A method of blockchain transaction request processing, characterized by using the electronic contract blockchain structure of any of claims 1-3, comprising the steps of:
making electronic contract operation authority and state conversion rules, and deploying the electronic contract operation authority and state conversion rules to a blockchain;
the interface service module receives a transaction request related to the electronic contract;
verifying whether the electronic contract transaction request initiator is a legal user, if the identity authentication of the main body is not passed, feeding back a verification failure result to the user through the interface service module, and ending the flow;
if the verification is passed, the transaction construction module verifies the legitimacy of the transaction according to the intelligent contract, and constructs related electronic contract transaction after the verification is passed;
calling a functional module to execute legal transaction requests;
the state control engine intelligently changes the state of the electronic contract according to the transaction execution result;
and the electronic contract transaction record passing the authentication is saved to the blockchain distributed transaction ledger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461691.0A CN111651521B (en) | 2020-05-27 | 2020-05-27 | Electronic contract block chain structure, electronic contract signing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461691.0A CN111651521B (en) | 2020-05-27 | 2020-05-27 | Electronic contract block chain structure, electronic contract signing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111651521A CN111651521A (en) | 2020-09-11 |
| CN111651521B true CN111651521B (en) | 2023-10-17 |
Family
ID=72344614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010461691.0A Active CN111651521B (en) | 2020-05-27 | 2020-05-27 | Electronic contract block chain structure, electronic contract signing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111651521B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112132667A (en) * | 2020-10-21 | 2020-12-25 | 土流集团有限公司 | System for realizing land circulation traceability and credible transaction by applying block chain technology |
| CN112330437A (en) * | 2020-10-26 | 2021-02-05 | 成都商通时代数字科技有限公司 | Block chain-based digital liquor evidence mortgage loan system and method |
| CN112529516A (en) * | 2020-11-10 | 2021-03-19 | 上海同在互联网科技有限公司 | Method, device and system for large-file online high-performance webpage electronic signature |
| CN112347452B (en) * | 2020-11-10 | 2023-08-04 | 上海祺鲲信息科技有限公司 | Electronic contract signing method, electronic equipment and storage medium |
| CN112669176B (en) * | 2020-12-11 | 2024-04-12 | 浙江数秦科技有限公司 | Electronic contract signing method based on intelligent contract |
| CN112686650A (en) * | 2021-02-18 | 2021-04-20 | 深圳星算科技有限公司 | Electronic contract signature application equipment device based on block chain intelligent contract technology |
| CN113379306A (en) * | 2021-06-30 | 2021-09-10 | 江苏舒适云信息技术有限公司 | Electronic contract generation method and system based on dynamic matching |
| CN115618421B (en) * | 2022-10-11 | 2023-09-12 | 安徽高山科技有限公司 | Electronic contract safe transmission method based on IPFS and blockchain technology |
| CN115664867B (en) * | 2022-12-27 | 2023-04-07 | 成都天府通数字科技有限公司 | Electronic contract signing device and method based on third party authentication |
| CN116205597A (en) * | 2023-02-02 | 2023-06-02 | 华中科技大学同济医学院附属同济医院 | Processing method and device of contract management system and contract management system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592618A (en) * | 1994-10-03 | 1997-01-07 | International Business Machines Corporation | Remote copy secondary data copy validation-audit function |
| CN101187931A (en) * | 2007-12-12 | 2008-05-28 | 浙江大学 | Distribution type file system multi-file copy management method |
| CN101808095A (en) * | 2010-03-22 | 2010-08-18 | 华中科技大学 | Encryption copy organization method under distributed storage environment |
| CN108647968A (en) * | 2018-05-10 | 2018-10-12 | 阿里巴巴集团控股有限公司 | A kind of block chain data processing method, device, processing equipment and system |
| WO2019021107A1 (en) * | 2017-07-24 | 2019-01-31 | nChain Holdings Limited | Computer-implemented system and method for managing a large distributed memory pool in a blockchain network |
| CN109377198A (en) * | 2018-12-24 | 2019-02-22 | 上海金融期货信息技术有限公司 | A kind of signing system known together in many ways based on alliance's chain |
| CN109711835A (en) * | 2018-12-29 | 2019-05-03 | 杭州趣链科技有限公司 | A kind of over-the-counter program release based on block chain and transaction system and method |
| CN110046907A (en) * | 2019-03-18 | 2019-07-23 | 阿里巴巴集团控股有限公司 | Contract based on block chain signs method and device, electronic equipment, storage medium |
| CN110287732A (en) * | 2019-05-15 | 2019-09-27 | 杭州趣链科技有限公司 | One kind depositing card method based on block chain electronic contract |
| CN111078121A (en) * | 2018-10-18 | 2020-04-28 | 深信服科技股份有限公司 | Data migration method, system and related components of distributed storage system |
| CN111164632A (en) * | 2018-05-30 | 2020-05-15 | 重庆小雨点小额贷款有限公司 | Information processing method and device based on block chain and block chain network |
| CN111177257A (en) * | 2019-12-13 | 2020-05-19 | 东软集团股份有限公司 | Data storage and access method, device and equipment of block chain |
-
2020
- 2020-05-27 CN CN202010461691.0A patent/CN111651521B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592618A (en) * | 1994-10-03 | 1997-01-07 | International Business Machines Corporation | Remote copy secondary data copy validation-audit function |
| CN101187931A (en) * | 2007-12-12 | 2008-05-28 | 浙江大学 | Distribution type file system multi-file copy management method |
| CN101808095A (en) * | 2010-03-22 | 2010-08-18 | 华中科技大学 | Encryption copy organization method under distributed storage environment |
| WO2019021107A1 (en) * | 2017-07-24 | 2019-01-31 | nChain Holdings Limited | Computer-implemented system and method for managing a large distributed memory pool in a blockchain network |
| CN108647968A (en) * | 2018-05-10 | 2018-10-12 | 阿里巴巴集团控股有限公司 | A kind of block chain data processing method, device, processing equipment and system |
| CN111164632A (en) * | 2018-05-30 | 2020-05-15 | 重庆小雨点小额贷款有限公司 | Information processing method and device based on block chain and block chain network |
| CN111078121A (en) * | 2018-10-18 | 2020-04-28 | 深信服科技股份有限公司 | Data migration method, system and related components of distributed storage system |
| CN109377198A (en) * | 2018-12-24 | 2019-02-22 | 上海金融期货信息技术有限公司 | A kind of signing system known together in many ways based on alliance's chain |
| CN109711835A (en) * | 2018-12-29 | 2019-05-03 | 杭州趣链科技有限公司 | A kind of over-the-counter program release based on block chain and transaction system and method |
| CN110046907A (en) * | 2019-03-18 | 2019-07-23 | 阿里巴巴集团控股有限公司 | Contract based on block chain signs method and device, electronic equipment, storage medium |
| CN110287732A (en) * | 2019-05-15 | 2019-09-27 | 杭州趣链科技有限公司 | One kind depositing card method based on block chain electronic contract |
| CN111177257A (en) * | 2019-12-13 | 2020-05-19 | 东软集团股份有限公司 | Data storage and access method, device and equipment of block chain |
Non-Patent Citations (4)
| Title |
|---|
| "基于区块链的电子健康病历系统性能与安全性研究";杨俊;《中国优秀硕士学位论文全文数据库 信息科技辑》(第02期);全文 * |
| "基于联盟区块链的数据安全存储方案设计与应用";周鹏;《中国优秀硕士学位论文全文数据库 信息科技辑》(第07期);全文 * |
| "存储容量可扩展区块链系统的高效查询模型";贾大宇;《软件学报》;第30卷(第09期);全文 * |
| 中国物流与采购联合会物流金融专业委员会编.《中国物流与供应链金融发展报告 2017版》.中国财富出版社,2017,第274-275页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111651521A (en) | 2020-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111651521B (en) | Electronic contract block chain structure, electronic contract signing device and method | |
| CN110012015B (en) | Block chain-based Internet of things data sharing method and system | |
| CN112583802B (en) | Data sharing platform system and equipment based on block chain and data sharing method | |
| CN110032545A (en) | File memory method, system and electronic equipment based on block chain | |
| CN108830733A (en) | A kind of information processing method, block scm cluster and system | |
| CN106533693B (en) | Access method and device of railway vehicle monitoring and overhauling system | |
| CN112241919A (en) | Multi-domain blockchain network with data flow control | |
| CN109951490A (en) | Webpage integrity assurance, system and electronic equipment based on block chain | |
| CN113495920A (en) | Content auditing system, method and device based on block chain and storage medium | |
| DE102007030622A1 (en) | Method and application for linking between systems based on hardware security units | |
| CN115211093A (en) | Efficient threshold storage of data objects | |
| US11539700B2 (en) | Secure document storage system | |
| CN113515756B (en) | High-credibility digital identity management method and system based on block chain | |
| CN114357490A (en) | Data sharing method, device and system based on block chain | |
| CN112035896A (en) | Electronic contract deposit certificate system based on transaction mode | |
| US9612813B2 (en) | Method of and apparatus for distributing software objects | |
| CN113947382A (en) | Block chain-based job hunting and recruitment privacy data management method and device | |
| CN113378227A (en) | Information data resource sharing system and method | |
| CN113271207A (en) | Escrow key using method and system based on mobile electronic signature, computer equipment and storage medium | |
| CN113901507B (en) | Multi-party resource processing method and privacy computing system | |
| CN112241540B (en) | Method and device for improving data interaction safety between enterprises | |
| CN115310071A (en) | Method for digital loading design and application of government affair credible certificate | |
| CN114329395A (en) | Supply chain financial privacy protection method and system based on block chain | |
| CN114372092A (en) | Case collaborative search processing method, system, device and electronic equipment | |
| CN111769956A (en) | Service processing method, device, equipment and medium |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |