SG11202010703XA - Blockchain-based data verification method, apparatus, and electronic device - Google Patents
Blockchain-based data verification method, apparatus, and electronic deviceInfo
- Publication number
- SG11202010703XA SG11202010703XA SG11202010703XA SG11202010703XA SG11202010703XA SG 11202010703X A SG11202010703X A SG 11202010703XA SG 11202010703X A SG11202010703X A SG 11202010703XA SG 11202010703X A SG11202010703X A SG 11202010703XA SG 11202010703X A SG11202010703X A SG 11202010703XA
- Authority
- SG
- Singapore
- Prior art keywords
- blockchain
- electronic device
- based data
- verification method
- data verification
- Prior art date
Links
Classifications
-
- 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
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
- G06Q30/0185—Product, service or business identity fraud
-
- 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
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F16/903—Querying
- G06F16/90335—Query processing
- G06F16/90339—Query processing by using parallel associative memories or content-addressable memories
-
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/02—Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
-
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/22—Payment schemes or models
- G06Q20/223—Payment schemes or models based on the use of peer-to-peer networks
-
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
-
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4016—Transaction verification involving fraud or risk level assessment in transaction processing
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
-
- 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
- G06Q2220/00—Business processing using cryptography
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/26—Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/46—Secure multiparty computation, e.g. millionaire problem
- H04L2209/463—Electronic voting
-
- 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
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Accounting & Taxation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Finance (AREA)
- Computer Security & Cryptography (AREA)
- Economics (AREA)
- Entrepreneurship & Innovation (AREA)
- Marketing (AREA)
- Development Economics (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Data Mining & Analysis (AREA)
- General Engineering & Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Burglar Alarm Systems (AREA)
- Credit Cards Or The Like (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811160051.5A CN109598518A (en) | 2018-09-30 | 2018-09-30 | Method for anti-counterfeit and device, electronic equipment based on block chain |
PCT/CN2019/101082 WO2020063185A1 (en) | 2018-09-30 | 2019-08-16 | Blockchain-based anti-counterfeiting method and apparatus, and electronic device |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202010703XA true SG11202010703XA (en) | 2020-11-27 |
Family
ID=65957411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202010703XA SG11202010703XA (en) | 2018-09-30 | 2019-08-16 | Blockchain-based data verification method, apparatus, and electronic device |
Country Status (6)
Country | Link |
---|---|
US (1) | US11562375B2 (en) |
EP (1) | EP3779834A4 (en) |
CN (1) | CN109598518A (en) |
SG (1) | SG11202010703XA (en) |
TW (1) | TWI777048B (en) |
WO (1) | WO2020063185A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109598518A (en) | 2018-09-30 | 2019-04-09 | 阿里巴巴集团控股有限公司 | Method for anti-counterfeit and device, electronic equipment based on block chain |
US11164671B2 (en) * | 2019-01-22 | 2021-11-02 | International Business Machines Corporation | Continuous compliance auditing readiness and attestation in healthcare cloud solutions |
US11495347B2 (en) | 2019-01-22 | 2022-11-08 | International Business Machines Corporation | Blockchain framework for enforcing regulatory compliance in healthcare cloud solutions |
US11544722B2 (en) | 2019-03-21 | 2023-01-03 | Raytheon Company | Hardware integration for part tracking using texture extraction and networked distributed ledgers |
US11200583B2 (en) * | 2019-03-21 | 2021-12-14 | Raytheon Company | Using surface textures as unique identifiers for tracking material with a distributed ledger |
CN113544723A (en) * | 2019-05-07 | 2021-10-22 | 林晖 | Product record tracing method |
CN110246040A (en) * | 2019-05-21 | 2019-09-17 | 平安普惠企业管理有限公司 | Trade management method, electronic equipment and computer storage medium based on alliance's chain |
US11329804B2 (en) | 2019-10-18 | 2022-05-10 | Honeywell International Inc. | Systems and methods for providing provenance and anti-counterfeiting of a part using blockchain technology |
CN110889712A (en) * | 2019-12-06 | 2020-03-17 | 郑力维 | Two-dimensional or graphic three-dimensional coding and NFC tracing anti-counterfeiting method and system for block chain |
CN111104882A (en) * | 2019-12-09 | 2020-05-05 | 曹玉平 | Scanning identification method |
CN111127049A (en) * | 2020-03-25 | 2020-05-08 | 长沙唯盾信息科技有限公司 | Method and device for binding article and uplink data |
JP7462489B2 (en) * | 2020-06-26 | 2024-04-05 | Japan Made事務局株式会社 | Authenticity determination system |
WO2022094635A1 (en) * | 2020-10-30 | 2022-05-05 | Nguyen Khuong Tuan | Anti-tampering medium, anti-tampering authentication system and tamper detection method |
CN112488261B (en) * | 2020-11-27 | 2024-06-25 | 广州富港生活智能科技有限公司 | Method and system for identifying authenticity of article based on information storage of blockchain |
CN113051609B (en) * | 2021-03-12 | 2023-04-18 | 广西综合交通大数据研究院 | Food material traceability system, method, equipment and storage medium based on block chain |
CN113127770A (en) * | 2021-04-19 | 2021-07-16 | 杭州奇宁数据科技有限公司 | Medal block chain data management technical system and method |
CN113642027B (en) * | 2021-09-01 | 2024-04-16 | 卫宁健康科技集团股份有限公司 | Medical information integration method, device, computer equipment, medium and system |
CN114154606B (en) * | 2021-12-02 | 2024-03-15 | 杭州复杂美科技有限公司 | Identification code generation method, computer device, and storage medium |
CN113919011B (en) * | 2021-12-08 | 2022-03-18 | 石家庄学院 | Anti-counterfeiting method of equipment inspection report based on block chain |
CN114943546B (en) * | 2022-05-25 | 2024-04-09 | 南京数睿数据科技有限公司 | Article anti-counterfeiting detection method, device, electronic equipment and computer readable medium |
CN115827785B (en) * | 2022-12-30 | 2023-05-16 | 中国联合网络通信集团有限公司 | Data storage method, device, equipment and readable storage medium |
Family Cites Families (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6959382B1 (en) * | 1999-08-16 | 2005-10-25 | Accela, Inc. | Digital signature service |
GB0015147D0 (en) * | 2000-06-21 | 2000-08-09 | Jacobs Michael | Tracking system |
US20030084298A1 (en) * | 2001-10-25 | 2003-05-01 | Messerges Thomas S. | Method for efficient hashing of digital content |
CA2535409A1 (en) * | 2003-09-23 | 2005-04-21 | Secure Symbology, Inc. | Method for improving security and enhancing information storage capability |
US7651031B2 (en) * | 2004-10-25 | 2010-01-26 | William Berson | Systems and methods for reading indicium |
JP4827468B2 (en) * | 2005-07-25 | 2011-11-30 | キヤノン株式会社 | Information processing apparatus, information processing apparatus control method, computer program, and computer-readable storage medium |
US7568106B2 (en) * | 2005-12-16 | 2009-07-28 | International Business Machines Corporation | Cooperative non-repudiated message exchange in a network environment |
EP2102756A2 (en) * | 2006-12-08 | 2009-09-23 | Casdex, Inc. | System and method for file authentication and versioning using unique content identifiers |
US20130227653A1 (en) * | 2008-11-29 | 2013-08-29 | Yu Yung Choi | System and method for streamlined registration of products over a communication network and for verification and management of information related thereto |
WO2010048531A1 (en) * | 2008-10-24 | 2010-04-29 | Datcard Systems, Inc. | System and methods for metadata management in content addressable storage |
US8495736B2 (en) * | 2009-03-24 | 2013-07-23 | Lockheed Martin Corporation | Method and apparatus for providing information assurance attributes through a data providence architecture |
US9021051B1 (en) * | 2012-10-09 | 2015-04-28 | Kabam, Inc. | Providing selective retrieval of data objects from a network service |
US10872077B2 (en) * | 2013-09-23 | 2020-12-22 | David D. Wright, SR. | Management of entitlements using blockchain |
US9495373B2 (en) * | 2013-12-06 | 2016-11-15 | International Business Machines Corporation | File versions within content addressable storage |
US10776761B2 (en) * | 2014-03-18 | 2020-09-15 | nChain Holdings Limited | Virtual currency system |
CN107038587A (en) * | 2016-02-04 | 2017-08-11 | 北京童讯风联科技有限责任公司 | A kind of Bluetooth label verified based on service end and its method for anti-counterfeit |
US10026118B2 (en) * | 2016-02-22 | 2018-07-17 | Bank Of America Corporation | System for allowing external validation of data in a process data network |
US10511598B2 (en) * | 2016-03-29 | 2019-12-17 | Intel Corporation | Technologies for dynamic loading of integrity protected modules into secure enclaves |
US10046228B2 (en) * | 2016-05-02 | 2018-08-14 | Bao Tran | Smart device |
CN106209877A (en) * | 2016-07-19 | 2016-12-07 | 井创(北京)科技有限公司 | A kind of be certification core with block chain backstage false-proof authentication system |
WO2018046008A1 (en) * | 2016-09-12 | 2018-03-15 | 上海鼎利信息科技有限公司 | Storage design method of blockchain encrypted radio frequency chip |
CN106447358A (en) * | 2016-10-10 | 2017-02-22 | 东莞市天眼网络科技有限公司 | Method and system for examining authenticity of goods |
CN106780007A (en) | 2016-11-28 | 2017-05-31 | 树读(上海)信息科技有限公司 | A kind of collage-credit data is shared and transaction system |
CN106790253A (en) | 2017-01-25 | 2017-05-31 | 中钞信用卡产业发展有限公司北京智能卡技术研究院 | Authentication method and device based on block chain |
US20180232731A1 (en) * | 2017-02-14 | 2018-08-16 | Digital Treasury Corporation | Supply chain recording method with traceable function by implementing blockchain technique |
CN111917864B (en) * | 2017-02-22 | 2023-08-22 | 创新先进技术有限公司 | Service verification method and device |
US10467586B2 (en) * | 2017-03-23 | 2019-11-05 | International Business Machines Corporation | Blockchain ledgers of material spectral signatures for supply chain integrity management |
CN107273410B (en) * | 2017-05-03 | 2020-07-07 | 上海点融信息科技有限责任公司 | Block chain based distributed storage |
CN107169776A (en) * | 2017-05-10 | 2017-09-15 | 无锡井通网络科技有限公司 | Product certification method for anti-counterfeit based on block chain technology |
US10708070B2 (en) * | 2017-05-24 | 2020-07-07 | Nxm Labs Canada Inc. | System and method for utilizing connected devices to enable secure and anonymous electronic interaction in a decentralized manner |
CN107220836A (en) * | 2017-05-31 | 2017-09-29 | 无锡井通网络科技有限公司 | A kind of block chain logistics based on Quick Response Code is traced to the source tracking method for anti-counterfeit |
CN107196966B (en) * | 2017-07-05 | 2020-04-14 | 北京信任度科技有限公司 | Identity authentication method and system based on block chain multi-party trust |
CN111587445A (en) * | 2017-07-20 | 2020-08-25 | 拉瓦艾迪私人有限公司 | Security tag |
CN107566360B (en) | 2017-08-25 | 2019-11-26 | 北京中星仝创科技有限公司 | A kind of generation method of data authentication code |
US10818122B2 (en) * | 2017-09-15 | 2020-10-27 | Panasonic Intellectual Property Corporation Of America | Electronic voting system and control method |
CN107705134A (en) * | 2017-10-11 | 2018-02-16 | 重庆印链科技有限公司 | Anti-fake network system based on block chain |
CN108364182A (en) * | 2017-11-21 | 2018-08-03 | 阿里巴巴集团控股有限公司 | A kind of commodity antifake check method, device and equipment |
CN108023893A (en) | 2017-12-18 | 2018-05-11 | 王松山 | A kind of method of block chain data recognizing system |
TWM561279U (en) | 2018-02-12 | 2018-06-01 | 林俊良 | Blockchain system and node server for processing strategy model scripts of financial assets |
US10121025B1 (en) * | 2018-02-22 | 2018-11-06 | Capital One Services, Llc | Content validation using blockchain |
CN108389129B (en) | 2018-02-27 | 2020-12-04 | 创新先进技术有限公司 | Transaction execution method and device based on block chain and electronic equipment |
CN108492119A (en) * | 2018-04-03 | 2018-09-04 | 李艾哲 | Information anti-fake authentication method, device, equipment and medium based on block chain |
TWM565363U (en) | 2018-05-24 | 2018-08-11 | 兆豐國際商業銀行股份有限公司 | Blockchain-based virtual currency integration system |
CN113537984A (en) | 2018-06-26 | 2021-10-22 | 创新先进技术有限公司 | Content verification method and device based on block chain and electronic equipment |
US20200013118A1 (en) * | 2018-07-06 | 2020-01-09 | Accenture Global Solutions Limited | Distributed ledger system for anonymized transaction management |
CN109598518A (en) * | 2018-09-30 | 2019-04-09 | 阿里巴巴集团控股有限公司 | Method for anti-counterfeit and device, electronic equipment based on block chain |
CN111177800B (en) | 2018-09-30 | 2023-06-30 | 创新先进技术有限公司 | Block chain-based data processing method and device and electronic equipment |
WO2020087447A1 (en) * | 2018-11-01 | 2020-05-07 | 河南紫云云计算股份有限公司 | E-commerce transaction method and platform constructed based on h5-technology digital wallet |
-
2018
- 2018-09-30 CN CN201811160051.5A patent/CN109598518A/en active Pending
-
2019
- 2019-03-18 TW TW108109111A patent/TWI777048B/en active
- 2019-08-16 SG SG11202010703XA patent/SG11202010703XA/en unknown
- 2019-08-16 WO PCT/CN2019/101082 patent/WO2020063185A1/en unknown
- 2019-08-16 EP EP19867818.7A patent/EP3779834A4/en active Pending
-
2020
- 2020-10-30 US US17/086,211 patent/US11562375B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20210049617A1 (en) | 2021-02-18 |
EP3779834A1 (en) | 2021-02-17 |
CN109598518A (en) | 2019-04-09 |
US11562375B2 (en) | 2023-01-24 |
TWI777048B (en) | 2022-09-11 |
TW202014958A (en) | 2020-04-16 |
WO2020063185A1 (en) | 2020-04-02 |
EP3779834A4 (en) | 2021-07-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG11202006029RA (en) | Blockchain-based data verification method and apparatus, and electronic device | |
SG11202010703XA (en) | Blockchain-based data verification method, apparatus, and electronic device | |
SG11202004835TA (en) | Cross-blockchain authentication method, apparatus, and electronic device | |
SG11202010800TA (en) | Method, apparatus and electronic device for blockchain-based asset issuance | |
SG11202100959RA (en) | Data sharing method, apparatus, and system, and electronic device | |
SG11202100621QA (en) | Method, apparatus and electronic device for blockchain transactions | |
ZA201903714B (en) | Blockchain-based commodity claim method and apparatus, and electronic device | |
SG11202004836UA (en) | Cross-blockchain interaction method, apparatus, system, and electronic device | |
SG11202010772QA (en) | Blockchain-based asset transfer method and apparatus, and electronic device | |
SG11202010849XA (en) | Method, apparatus and electronic device for blockchain transactions | |
GB2590208B (en) | Method, apparatus for generating special effect based on face, and electronic device | |
SG11202100711RA (en) | Event processing method, apparatus and electronic device based on blockchain technology | |
SG11202005053QA (en) | Method, apparatus, and electronic device for executing transactions based on blockchain | |
SG11202010811VA (en) | Method, apparatus and electronic device for blockchain transactions | |
SG11202010816YA (en) | Method, apparatus and electronic device for blockchain transactions | |
SG11202100872VA (en) | Data processing method, apparatus, and device | |
SG11202005054TA (en) | Blockchain-based transaction processing method and apparatus, and electronic device | |
SG11202004663SA (en) | Asset management method and apparatus, and electronic device | |
SG11202004768RA (en) | Asset management method and apparatus, and electronic device | |
SG11202004884VA (en) | Asset management method and apparatus, and electronic device | |
SG10202106085VA (en) | Blockchain-based service execution method and apparatus, and electronic device | |
SG11202004841RA (en) | Asset management method and apparatus, and electronic device | |
EP3820111C0 (en) | Cross-chain data credible management method and apparatus, electronic device | |
SG11202100920XA (en) | Invoice Access Method And Apparatus Based On Blockchain, And Electronic Device | |
SG11202004840TA (en) | Asset management method and apparatus, and electronic device |