CN110535660B - Evidence obtaining service system based on block chain - Google Patents
Evidence obtaining service system based on block chain Download PDFInfo
- Publication number
- CN110535660B CN110535660B CN201910827935.XA CN201910827935A CN110535660B CN 110535660 B CN110535660 B CN 110535660B CN 201910827935 A CN201910827935 A CN 201910827935A CN 110535660 B CN110535660 B CN 110535660B
- Authority
- CN
- China
- Prior art keywords
- evidence
- user
- hash
- certificate
- block chain
- 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
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2471—Distributed queries
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/955—Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
- G06F16/9566—URL specific, e.g. using aliases, detecting broken or misspelled links
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Fuzzy Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computing Systems (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Probability & Statistics with Applications (AREA)
- Software Systems (AREA)
- Computational Linguistics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Storage Device Security (AREA)
Abstract
The invention discloses a forensics service system based on a block chain, which comprises: the account module is used for creating a unique account of the user and managing the identity information of the user; the evidence obtaining module is used for collecting evidence obtaining instructions of a user, executing corresponding evidence obtaining tasks and carrying out Hash calculation and block chain storage on evidence obtaining data; the evidence display module is used for correspondingly managing and displaying the evidence obtaining data of the user; the certificate issuing module is used for calling the evidence obtaining data stored in the block chain and forming a generated evidence document; the evidence checking module is used for calling the evidence obtaining data stored on the block chain, comparing the evidence obtaining data with the evidence obtaining data submitted by the user, and outputting and displaying a checking result; and the evidence database is used for storing evidence data acquired by the system executing different evidence obtaining instructions.
Description
Technical Field
The invention relates to the field of application of block chains, in particular to a forensics service system based on a block chain.
Background
The block chain technology is an emerging distributed technology which is emerging in recent years, and the core technology point comprises a consensus algorithm, point-to-point transmission, a distributed database and the like. The whole block chain is composed of a large number of nodes, and each node has a complete account book, namely a database. Writing data to the block link point requires a consensus algorithm to confirm that the entire block link has a consensus. The data of the block chain is stored by a chain structure, namely, the last block is associated with the next block. Therefore, the block chain has the characteristics of being not tampered and traceable due to the fact that a great number of nodes are difficult to control, and the block chain is suitable for safe storage and tamper resistance of data.
Electronic data has the characteristics of wide distribution, strong copying property and easiness in tampering, and a traditional electronic data evidence obtaining tool can only collect and store the electronic data but cannot further improve the reliability of the data, so that the electronic data serving as an evidence type is difficult to apply in the judicial field.
In order to solve the problem of credibility of electronic data, a block chain is introduced to solidify the acquired electronic data, so that data trust increasing and tampering preventing are realized.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a forensics service system based on a block chain, which can realize the acquisition and fixation of electronic evidences of scenes such as a webpage, a client, a mobile terminal and the like.
The specific technical scheme is as follows: a forensics service system based on a block chain comprises an account module, a forensics module, an evidence display module, a certificate issuing module, a verification module and an evidence database;
the account module is used for collecting the related information of the user identity, confirming the real identity of the user through an identity authentication technology and generating a block chain account for the user;
the evidence database is used for storing the collected evidence files and evidence certificates.
The forensics module includes:
and the webpage evidence obtaining unit is used for collecting the URL address submitted by the user, starting access to the target URL address, then collecting the resource under the URL address, generating an evidence packet containing the picture, the resource file and the evidence obtaining process, and recording the evidence obtaining time, the URL address and the evidence obtaining name.
And the process evidence obtaining unit is used for providing the virtual machine desktop for the user, recording the screen of the virtual machine desktop, recording all remote operations of the user, generating a screen recording file evidence package and recording evidence obtaining time and evidence obtaining name.
And the mobile terminal evidence obtaining unit is used for collecting pictures, videos and audio files acquired by the user through the mobile terminal equipment, recording the information of the user mobile terminal equipment and the network information, generating an evidence package and recording evidence obtaining time, an evidence obtaining name and an evidence obtaining equipment code.
And the Hash calculation unit is used for carrying out Hash calculation on the evidence packets generated by the webpage evidence obtaining unit, the process evidence obtaining unit and the mobile terminal evidence obtaining unit to generate Hash associated with the evidence packets.
And the evidence uplink unit is used for sending the Hash generated by the Hash calculation unit to the block chain, writing the Hash into the block chain evidence database after the Hash is identified by the block chain, and recording the time of writing the Hash into the block chain.
An identity authentication unit: the method is used for verifying the real identity of the user when the user submits webpage evidence obtaining, process evidence obtaining and mobile terminal evidence obtaining requests.
The evidence presentation module comprises:
an evidence query unit: and searching an evidence database according to the keyword fields input by the user, searching the evidence data matched with the fields under the user account, and displaying the evidence data through an evidence display unit.
Evidence display unit: and searching an evidence database according to the user account, displaying the evidence data of the user in a list or detail page form, generating an extraction code for the user, and providing an evidence file and evidence certificate for downloading.
The certificate issuing module includes:
a certificate issuing unit: and for each evidence record, summarizing the Hash, the evidence name, the evidence type, the acquisition time, the block chain where the evidence is located and generating a certificate of the evidence.
The certificate Hash calculation unit: and calculating the certificate Hash through a Hash algorithm on the certificate generated by the certificate issuing unit.
A certificate uplink unit: and sending the certificate Hash to the block chain, writing the certificate Hash into a block chain evidence database after the certificate Hash is identified by the block chain, and recording the time of writing the certificate Hash into the block chain.
The verification module comprises:
an evidence verification unit: the method for verifying the evidence according to the verification request submitted by the user comprises 4 verification modes:
(1) and (4) Hash check: the user submits the Hash from the evidence display unit, the system uses the Hash to inquire and match the evidence database, if the matching is successful, the Hash check is passed, and if the matching is failed, the Hash check is failed;
(2) and (3) file verification: after a user submits an evidence file downloaded from an evidence display unit, the system carries out Hash calculation on the file, the Hash obtained by calculation is used for carrying out query matching on an evidence database, if the matching is successful, the file verification is passed, and if the matching is failed, the file verification is failed;
(3) and (3) original text query: and collecting Hash and extraction codes from the evidence display unit submitted by the user, and searching corresponding evidence contents in the database.
A result display unit: the verification result is displayed in the form of an information frame in a hash verification and file verification mode; in the original text query mode, the query result is displayed in the form of a table and a picture.
Further, in the account module, the identity authentication mode comprises personal authentication and enterprise authentication; during personal authentication, the user identity related information collected by the account module comprises a user real name, a user identity card number and user identity card image information; during enterprise authentication, the user identity related information collected by the account module comprises an enterprise business license, a legal representative real name, a legal representative identity card number and legal representative identity card image information.
Further, the evidence verification module can also verify the certificate of the certificate issuing module. The certificate verification process comprises the following steps: after the user submits the certificate downloaded from the evidence display unit, the system carries out Hash calculation on the certificate, the Hash obtained by calculation is used for inquiring and matching the evidence database, if the matching is successful, the file verification is passed, and if the matching is failed, the file verification is failed.
The invention has the following beneficial effects:
1. the evidence collection tool for covering various evidence collection requirement scenes is provided, and evidence acquisition aiming at a webpage, a client application program, audio, video and a mobile terminal APP is carried out.
2. And after the electronic evidence is collected, the electronic evidence is stored and fixed in real time through the block chain, so that evidence tampering prevention is realized.
Drawings
FIG. 1 is a basic architecture diagram of a block chain based forensics service system;
fig. 2 is a block chain-based forensics service system flow diagram.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the objects and effects of the present invention will become more apparent, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
According to the evidence obtaining service system based on the block chain, when a user uses the system, the user needs to register the evidence obtaining service system and carry out identity information authentication, and the system issues the private key to the user after confirming the real identity information of the user and binds the private key with the block chain account. The user can initiate a evidence obtaining request subsequently through the account, the evidence obtaining request type comprises webpage evidence obtaining, process evidence obtaining and mobile terminal evidence obtaining, and the mobile terminal evidence obtaining comprises sound recording, video recording, screen recording and picture taking. When the user submits a request for obtaining evidence, the identity information needs to be verified. The system executes a corresponding command and finishes the acquisition of the electronic evidence according to a forensics request submitted by a user to form an evidence packet, and writes the evidence packet into a block chain for storage after Hash calculation. For each forensic record, the system generates a unique, verifiable certificate separately. The user can check all electronic evidences under the account, download the evidence package, verify the evidence and verify the certificate.
The evidence obtaining service system based on the block chain is shown in fig. 1, and comprises the following modules: account module, module of collecting evidence, evidence show module, certificate issuing module, verification module and evidence database, account module includes: the system is used for collecting the relevant information of the user identity, confirming the real identity of the user through an identity authentication technology and generating a block chain account for the user.
The identity authentication comprises two modes of personal authentication and enterprise authentication. During personal authentication, the user identity related information collected by the account module comprises a user real name, a user identity card number and user identity card image information; during enterprise authentication, the user identity related information collected by the account module comprises an enterprise business license, a legal representative real name, a legal representative identity card number and legal representative identity card image information.
The evidence database is used for storing the collected evidence files and evidence certificates.
The forensics module includes:
and the webpage evidence obtaining unit is used for collecting the URL address submitted by the user, starting access to the target URL address, then collecting the resource under the URL address, generating an evidence packet containing the picture, the resource file and the evidence obtaining process, and recording the evidence obtaining time, the URL address and the evidence obtaining name.
And the process evidence obtaining unit is used for providing the virtual machine desktop for the user, recording the screen of the virtual machine desktop, recording all remote operations of the user, generating a screen recording file evidence package and recording evidence obtaining time and evidence obtaining name.
And the mobile terminal evidence obtaining unit is used for collecting pictures, videos and audio files acquired by the user through the mobile terminal equipment, recording the information of the user mobile terminal equipment and the network information, generating an evidence package and recording evidence obtaining time, an evidence obtaining name and an evidence obtaining equipment code.
And the Hash calculation unit is used for carrying out Hash calculation on the evidence packets generated by the webpage evidence obtaining unit, the process evidence obtaining unit and the mobile terminal evidence obtaining unit to generate Hash associated with the evidence packets.
And the evidence uplink unit is used for sending the Hash generated by the Hash calculation unit to the block chain, writing the Hash into the block chain evidence database after the Hash is identified by the block chain, and recording the time of writing the Hash into the block chain.
An identity authentication unit: the method is used for verifying the real identity of the user when the user submits webpage evidence obtaining, process evidence obtaining and mobile terminal evidence obtaining.
Further, the evidence obtaining type comprises webpage evidence, process evidence, video recording evidence, audio recording evidence, screen recording evidence and photographing evidence.
The evidence presentation module comprises:
an evidence query unit: and searching a database according to the keyword field input by the user, searching the evidence data matched with the field under the user account, and displaying the evidence data through an evidence display unit.
Evidence display unit: and searching the database according to the user account, displaying all the evidence data of the user in a list form, generating an extraction code for the user, and providing an evidence file and evidence certificate for downloading.
The certificate issuing module includes:
a certificate issuing unit: and for each evidence record, summarizing evidence information such as evidence Hash and the like and generating a certificate of the evidence.
The certificate Hash calculation unit: and calculating the certificate Hash through a Hash algorithm on the certificate generated by the certificate issuing unit.
A certificate uplink unit: and sending the certificate Hash to the block chain, writing the certificate Hash into a block chain evidence database after the certificate Hash is identified by the block chain, and recording the time of writing the certificate Hash into the block chain.
The verification module comprises:
an evidence verification unit: the method for verifying the evidence according to the verification request submitted by the user comprises 4 verification modes:
(1) and (4) Hash check: the user submits the Hash from the evidence display unit, the system uses the Hash to inquire and match the evidence database, if the matching is successful, the Hash check is passed, and if the matching is failed, the Hash check is failed;
(2) and (3) file verification: after a user submits an evidence file downloaded from an evidence display unit, the system carries out Hash calculation on the file, the Hash obtained by calculation is used for carrying out query matching on an evidence database, if the matching is successful, the file verification is passed, and if the matching is failed, the file verification is failed;
(3) and (3) original text query: and collecting Hash and extraction codes from the evidence display unit submitted by the user, and searching corresponding evidence contents in the database.
A result display unit: the verification result is displayed in the form of an information frame in the modes of Hash verification, file verification and content verification; in the original text query mode, the query result is displayed in the form of a table and a picture.
Further, the verification module can verify the certificate issued by the certificate issuing module. The certificate verification process comprises the following steps: after the user submits the certificate downloaded from the evidence display unit, the system carries out Hash calculation on the certificate, the Hash obtained by calculation is used for inquiring and matching the evidence database, if the matching is successful, the file verification is passed, and if the matching is failed, the file verification is failed.
As shown in fig. 2, a typical usage flow of the present system: and after the user identity authentication is passed, submitting a evidence obtaining request by using the system, verifying the identity of the user when the evidence obtaining request is submitted, and failing to verify the identity of the user. After the verification is passed, the system executes a forensics instruction input by the user, calculates the Hash of the evidence after the evidence is obtained, and links the calculation result in real time. And after successful chaining, generating an evidence certificate for the evidence, calculating the Hash of the evidence certificate, and chaining the Hash of the certificate to finish the evidence obtaining. After the evidence is successfully obtained, the user can perform evidence management, including operations of inquiry, check, verification and the like.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and although the invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes in the form and details of the embodiments may be made and equivalents may be substituted for elements thereof. All modifications, equivalents and the like which come within the spirit and principle of the invention are intended to be included within the scope of the invention.
Claims (2)
1. A forensics service system based on a block chain is characterized by comprising an account module, a forensics module, an evidence display module, a certificate issuing module, a verification module and an evidence database;
the account module is used for collecting the related information of the user identity, confirming the real identity of the user through an identity authentication technology and generating a block chain account for the user;
the evidence database is used for storing the collected evidence files and evidence certificates;
the forensics module includes:
the webpage evidence obtaining unit is used for collecting a URL (uniform resource locator) address submitted by a user, starting access to a target URL address, then collecting resources under the URL address, generating an evidence packet containing pictures, resource files and an evidence obtaining process, and recording evidence obtaining time, the URL address and an evidence obtaining name;
the process evidence obtaining unit is used for providing a virtual machine desktop for a user, recording a screen of the virtual machine desktop, recording all remote operations of the user, generating a screen recording file evidence package and recording evidence obtaining time and evidence obtaining name;
the mobile terminal evidence obtaining unit is used for collecting pictures, videos and audio files obtained by a user through mobile terminal equipment, recording the information of the user mobile terminal equipment and network information, generating an evidence package and recording evidence obtaining time, an evidence obtaining name and an evidence obtaining equipment code;
the Hash calculation unit is used for carrying out Hash calculation on the evidence packets generated by the webpage evidence obtaining unit, the process evidence obtaining unit and the mobile terminal evidence obtaining unit to generate Hash related to the evidence packets;
the evidence uplink unit is used for sending the Hash generated by the Hash calculation unit to the block chain, writing the Hash into a block chain evidence database after the Hash is identified by the block chain, and recording the time of writing the Hash into the block chain;
an identity authentication unit: the mobile terminal is used for verifying the real identity of the user when the user submits webpage evidence obtaining, process evidence obtaining and mobile terminal evidence obtaining requests;
the evidence presentation module comprises:
an evidence query unit: searching an evidence database according to the keyword fields input by the user, searching evidence data matched with the fields under the user account and displaying the evidence data through an evidence display unit;
evidence display unit: searching an evidence database according to a user account, displaying evidence data of a user in a list or detail page form, generating an extraction code for the user, and providing an evidence file and evidence certificate downloading;
the certificate issuing module includes:
a certificate issuing unit: for each evidence record, summarizing the Hash, the evidence name, the evidence type, the acquisition time and the block chain where the evidence is located and generating a certificate of the evidence;
the certificate Hash calculation unit: calculating the certificate Hash through a Hash algorithm on the certificate generated by the certificate issuing unit;
a certificate uplink unit: sending the certificate Hash to a block chain, writing the certificate Hash into a block chain evidence database after the certificate Hash is identified by the block chain, and recording the time of writing the certificate Hash into the block chain;
the verification module comprises:
an evidence verification unit: the method for verifying the evidence according to the verification request submitted by the user comprises 4 verification modes:
(1) and (4) Hash check: the user submits the Hash from the evidence display unit, the system uses the Hash to inquire and match the evidence database, if the matching is successful, the Hash check is passed, and if the matching is failed, the Hash check is failed;
(2) and (3) file verification: after a user submits an evidence file downloaded from an evidence display unit, the system carries out Hash calculation on the file, the Hash obtained by calculation is used for carrying out query matching on an evidence database, if the matching is successful, the file verification is passed, and if the matching is failed, the file verification is failed;
(3) and (3) original text query: collecting Hash and extraction codes from an evidence display unit submitted by a user, and searching corresponding evidence contents in a database;
a result display unit: the verification result is displayed in the form of an information frame in a hash verification and file verification mode; in the mode of original text query, the query result is displayed in the forms of tables and pictures;
the verification module is also used for verifying the certificate of the certificate issuing module; the certificate verification process comprises the following steps: after the user submits the certificate downloaded from the evidence display unit, the system carries out Hash calculation on the certificate, the Hash obtained by calculation is used for inquiring and matching the evidence database, if the matching is successful, the file verification is passed, and if the matching is failed, the file verification is failed.
2. The system according to claim 1, wherein in the account module, the authentication means includes personal authentication and enterprise authentication; during personal authentication, the user identity related information collected by the account module comprises a user real name, a user identity card number and user identity card image information; during enterprise authentication, the user identity related information collected by the account module comprises an enterprise business license, a legal representative real name, a legal representative identity card number and legal representative identity card image information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827935.XA CN110535660B (en) | 2019-09-03 | 2019-09-03 | Evidence obtaining service system based on block chain |
| PCT/CN2020/112897 WO2021043144A1 (en) | 2019-09-03 | 2020-09-01 | Blockchain-based evidence collection service system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827935.XA CN110535660B (en) | 2019-09-03 | 2019-09-03 | Evidence obtaining service system based on block chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110535660A CN110535660A (en) | 2019-12-03 |
| CN110535660B true CN110535660B (en) | 2021-11-05 |
Family
ID=68666446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910827935.XA Active CN110535660B (en) | 2019-09-03 | 2019-09-03 | Evidence obtaining service system based on block chain |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110535660B (en) |
| WO (1) | WO2021043144A1 (en) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535660B (en) * | 2019-09-03 | 2021-11-05 | 杭州趣链科技有限公司 | Evidence obtaining service system based on block chain |
| CN111079101B (en) * | 2019-12-20 | 2020-10-23 | 支付宝(杭州)信息技术有限公司 | Method and device for obtaining evidence of infringement based on block chain, electronic equipment and storage medium |
| CN111814141B (en) * | 2020-09-15 | 2020-12-18 | 浙江数秦科技有限公司 | Off-line process evidence obtaining and storing method based on block chain |
| CN112632372B (en) * | 2020-12-11 | 2022-05-13 | 杭州趣链科技有限公司 | Electronic evidence information uplink method and device and block link point equipment |
| CN114630068A (en) * | 2020-12-14 | 2022-06-14 | 阿里巴巴集团控股有限公司 | Data processing method, system, equipment and storage medium |
| CN112714351A (en) * | 2020-12-14 | 2021-04-27 | 杭州趣链科技有限公司 | Evidence obtaining method, evidence obtaining device and server |
| CN112784285A (en) * | 2020-12-29 | 2021-05-11 | 上海律桐智能信息科技有限公司 | Evidence obtaining system |
| CN112685794A (en) * | 2020-12-31 | 2021-04-20 | 树根互联技术有限公司 | Online evidence obtaining method, evidence obtaining and right maintaining method, system and computer equipment |
| CN113411321B (en) * | 2021-06-15 | 2022-04-05 | 国网电子商务有限公司 | A method and system for collecting electricity data based on blockchain |
| CN113726804B (en) * | 2021-09-02 | 2022-04-29 | 佛山职业技术学院 | Sound evidence storage system and method based on block chain |
| CN113810496A (en) * | 2021-09-17 | 2021-12-17 | 中国长江三峡集团有限公司 | Financial staff operation record black box storage method based on block chain technology |
| CN113849572B (en) * | 2021-10-11 | 2024-05-21 | 浙江数秦科技有限公司 | Block chain-based small creditor dispute case evidence management system |
| CN113986915B (en) * | 2021-10-13 | 2025-02-25 | 蚂蚁区块链科技(上海)有限公司 | Data storage method and device |
| CN113806809B (en) * | 2021-11-17 | 2022-02-18 | 北京溪塔科技有限公司 | Job seeker information disclosure method and system based on block chain |
| CN114385648B (en) * | 2021-12-17 | 2024-04-30 | 天津八分量数字科技有限公司 | Supply chain financial system based on block chain isolation verification |
| CN114499971A (en) * | 2021-12-27 | 2022-05-13 | 杭州趣链科技有限公司 | Evidence preservation method and device, computer equipment and storage medium |
| CN114422144B (en) * | 2022-01-20 | 2024-08-02 | 浙商银行股份有限公司 | Method, system, equipment and storage medium for improving scene certificate blockchain certification credibility |
| CN114519083A (en) * | 2022-01-27 | 2022-05-20 | 广州民航信息技术有限公司 | Block chain-based pilot license management method and device |
| CN114663046A (en) * | 2022-02-28 | 2022-06-24 | 重庆趣链数字科技有限公司 | Block chain-based pre-court online quality certification method |
| CN114610991B (en) * | 2022-03-01 | 2024-04-16 | 北京航空航天大学 | Multi-source data fusion full-period traceability analysis method and system based on block chain |
| CN114710323A (en) * | 2022-03-16 | 2022-07-05 | 苏州木星科技有限公司 | Cloud desktop device based on block chain and data processing method |
| CN114666353A (en) * | 2022-03-16 | 2022-06-24 | 南京邮电大学 | A blockchain-based electronic deposit and withdrawal system and method |
| CN115033900A (en) * | 2022-04-18 | 2022-09-09 | 陕西省公安厅 | A blockchain-based electronic data forensics method and system |
| CN115225346B (en) * | 2022-06-29 | 2024-05-10 | 北京邮电大学 | Data evidence storage system oriented to credit investigation big data field |
| CN115202971A (en) * | 2022-07-13 | 2022-10-18 | 深圳市网安计算机安全检测技术有限公司 | Online electronic evidence obtaining method and device, computer equipment and medium |
| CN115170355A (en) * | 2022-07-27 | 2022-10-11 | 湖南红普创新科技发展有限公司 | Evidence obtaining data credibility verification method and device, computer equipment and storage medium |
| CN115396415B (en) * | 2022-08-30 | 2025-07-04 | 烟台中科数据技术有限公司 | A method and system for intelligent data identification and distribution execution |
| CN116471030A (en) * | 2022-09-19 | 2023-07-21 | 湖南湘科智慧科技有限公司 | A smart cabinet linkage control system for property involved in the case |
| CN116015609A (en) * | 2022-12-12 | 2023-04-25 | 中国工商银行股份有限公司 | Business record storage method, device, computer equipment and storage medium |
| CN116155629B (en) * | 2023-04-20 | 2023-07-18 | 南京鹤梦信息技术有限公司 | Block chain time authentication method, device, system and computer readable medium |
| CN116614295A (en) * | 2023-06-08 | 2023-08-18 | 欧冶工业品股份有限公司 | Block chain multi-chain mutual trust method and system based on secondary uplink |
| CN116702219B (en) * | 2023-08-08 | 2024-01-23 | 深圳市大恒数据安全科技有限责任公司 | Block chain-based trusted certification method and device |
| CN117240515A (en) * | 2023-08-29 | 2023-12-15 | 浪潮卓数大数据产业发展有限公司 | Mobile terminal e-commerce live broadcast timely evidence collection and storage system based on blockchain |
| CN117714071A (en) * | 2023-12-18 | 2024-03-15 | 中金金融认证中心有限公司 | A scenario-based digital certificate issuance method, system and storage medium |
| CN117714213B (en) * | 2024-02-05 | 2024-04-26 | 云上(江西)密码服务科技有限公司 | Evidence chain automatic verification method and system based on commercial password evaluation requirements |
| CN118035264B (en) * | 2024-04-11 | 2024-06-07 | 成都融见软件科技有限公司 | Method for automatically acquiring netlist database, electronic equipment and storage medium |
| CN119047741A (en) * | 2024-07-31 | 2024-11-29 | 北京中科物联网标识技术研究院 | National internet of things identification identity public service platform data dynamic interaction platform |
| CN120257262B (en) * | 2025-06-09 | 2025-08-05 | 青岛大数据科技发展有限公司 | Block chain security verification system and method for data element circulation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201708189D0 (en) * | 2016-05-27 | 2017-07-05 | Chain Of Things Ltd | Device security chain of proof |
| CN108268915A (en) * | 2018-01-24 | 2018-07-10 | 北京信用达互联网信息技术有限公司 | Electronic evidence curing system and method |
| GB201811263D0 (en) * | 2018-07-10 | 2018-08-29 | Netmaster Solutions Ltd | A method and system for managing digital using a blockchain |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160283920A1 (en) * | 2015-03-28 | 2016-09-29 | Justin Fisher | Authentication and verification of digital data utilizing blockchain technology |
| GB2562623A (en) * | 2016-02-23 | 2018-11-21 | Nchain Holdings Ltd | Registry and automated management method for blockchain-enforced smart contracts |
| CN107888375A (en) * | 2017-11-08 | 2018-04-06 | 深圳市携网科技有限公司 | A kind of electronic evidence safety system and method based on block chain technology |
| CN110163750A (en) * | 2018-04-10 | 2019-08-23 | 吉安英佳电子科技有限公司 | A kind of electronic evidence certification and exchange method and system based on block chain |
| CN108512653A (en) * | 2018-04-18 | 2018-09-07 | 成都零光量子科技有限公司 | A kind of electronic evidence acquisition and method of servicing based on block chain |
| CN108717431A (en) * | 2018-05-11 | 2018-10-30 | 中国科学院软件研究所 | A kind of electronic evidence based on block chain deposits card, verification method and system |
| CN108959416B (en) * | 2018-06-08 | 2020-01-10 | 浙江数秦科技有限公司 | Webpage data automatic evidence obtaining and storing method based on block chain |
| CN108920965A (en) * | 2018-06-25 | 2018-11-30 | 北京奇虎科技有限公司 | A kind of block chain deposits card method and device |
| CN109102437A (en) * | 2018-08-10 | 2018-12-28 | 山东省计算中心（国家超级计算济南中心） | A kind of webpage automatic evidence-collecting method and system based on block chain |
| CN109274746A (en) * | 2018-09-29 | 2019-01-25 | 中链科技有限公司 | A kind of proof processing method and processing device based on block chain |
| CN110032880B (en) * | 2018-12-13 | 2021-10-29 | 创新先进技术有限公司 | Screen recording evidence obtaining method and system based on block chain and electronic equipment |
| CN110022298B (en) * | 2019-03-04 | 2021-04-06 | 创新先进技术有限公司 | Evidence verification method and device based on block chain and electronic equipment |
| CN110535660B (en) * | 2019-09-03 | 2021-11-05 | 杭州趣链科技有限公司 | Evidence obtaining service system based on block chain |
-
2019
- 2019-09-03 CN CN201910827935.XA patent/CN110535660B/en active Active
-
2020
- 2020-09-01 WO PCT/CN2020/112897 patent/WO2021043144A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201708189D0 (en) * | 2016-05-27 | 2017-07-05 | Chain Of Things Ltd | Device security chain of proof |
| CN108268915A (en) * | 2018-01-24 | 2018-07-10 | 北京信用达互联网信息技术有限公司 | Electronic evidence curing system and method |
| GB201811263D0 (en) * | 2018-07-10 | 2018-08-29 | Netmaster Solutions Ltd | A method and system for managing digital using a blockchain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110535660A (en) | 2019-12-03 |
| WO2021043144A1 (en) | 2021-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110535660B (en) | Evidence obtaining service system based on block chain | |
| JP6985576B2 (en) | Business process systems, business data processing methods and equipment | |
| US11223477B2 (en) | Data sharing method, client, server, computing device, and storage medium | |
| US11063767B2 (en) | Apparatus and method to perform secure data sharing in a distributed network by using a blockchain | |
| CN108550037B (en) | File processing method and device based on block chain | |
| CN112235323B (en) | Evidence obtaining method and device based on block chain, electronic equipment and readable storage medium | |
| US8688992B2 (en) | System and method for generating agreements | |
| EP2264634A1 (en) | Method, system and apparatus for content identification | |
| WO2001099388A2 (en) | Digital signature system and method | |
| CN113486122A (en) | Data sharing method and electronic equipment | |
| CN113658010B (en) | Electronic insurance policy generation method, device, equipment and storage medium | |
| CN111311341A (en) | Bill processing method, equipment and medium | |
| CN108040090A (en) | A kind of system combination method of more Web | |
| EP2556461A1 (en) | Digital asset authentication system and method | |
| CN113129008B (en) | Data processing method, device, computer readable medium and electronic equipment | |
| CN112182009A (en) | Data update method and device of blockchain, and readable storage medium | |
| JP2013088927A (en) | Authentication management device and authentication management method | |
| CN117435606A (en) | Certificate inquiry system | |
| CN116861490A (en) | Third party service platform access method, device, computer equipment and storage medium | |
| CN110688555B (en) | Data source discovery and verification system based on crawler | |
| JP2017175377A (en) | Time stamp storage server, portable terminal, electronic data storage server, time stamp storage program, portable terminal program, and electronic data storage program | |
| JP2020108178A (en) | Electronic data storage server and electronic data storage program | |
| CN110336772A (en) | Web data automatic evidence-collecting method and equipment based on encrypted authentication server | |
| JP5661589B2 (en) | Authentication management apparatus and authentication management method | |
| KR20250134657A (en) | Management device, control method of management device, and program |
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 |