[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

SG11202012925RA - Blockchain-based trustable guarantees - Google Patents

Blockchain-based trustable guarantees

Info

Publication number
SG11202012925RA
SG11202012925RA SG11202012925RA SG11202012925RA SG11202012925RA SG 11202012925R A SG11202012925R A SG 11202012925RA SG 11202012925R A SG11202012925R A SG 11202012925RA SG 11202012925R A SG11202012925R A SG 11202012925RA SG 11202012925R A SG11202012925R A SG 11202012925RA
Authority
SG
Singapore
Prior art keywords
blockchain
guarantees
based trustable
trustable guarantees
trustable
Prior art date
Application number
SG11202012925RA
Inventor
Xuming Lu
Jiayi Shao
Original Assignee
Alipay Hangzhou Inf Tech Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alipay Hangzhou Inf Tech Co Ltd filed Critical Alipay Hangzhou Inf Tech Co Ltd
Publication of SG11202012925RA publication Critical patent/SG11202012925RA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3236Cryptographic 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
    • H04L9/3239Cryptographic 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 involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3218Cryptographic 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 proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
    • H04L9/3221Cryptographic 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 proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs interactive zero-knowledge proofs
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/64Protecting data integrity, e.g. using checksums, certificates or signatures
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/02Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/40Authorisation, 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q30/00Commerce
    • G06Q30/06Buying, selling or leasing transactions
    • G06Q30/0601Electronic shopping [e-shopping]
    • G06Q30/0609Buyer or seller confidence or verification
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q40/00Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q40/00Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0876Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/12Applying verification of the received information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1097Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/008Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/085Secret sharing or secret splitting, e.g. threshold schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0866Generation 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3218Cryptographic 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 proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/46Secure multiparty computation, e.g. millionaire problem
    • H04L2209/463Electronic voting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56Financial cryptography, e.g. electronic payment or e-cash
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60Digital content management, e.g. content distribution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60Digital content management, e.g. content distribution
    • H04L2209/603Digital right managament [DRM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50Cryptographic 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)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Accounting & Taxation (AREA)
  • Theoretical Computer Science (AREA)
  • Finance (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Computing Systems (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
SG11202012925RA 2020-02-03 2020-02-03 Blockchain-based trustable guarantees SG11202012925RA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/074245 WO2020098835A2 (en) 2020-02-03 2020-02-03 Blockchain-based trustable gurantees

Publications (1)

Publication Number Publication Date
SG11202012925RA true SG11202012925RA (en) 2021-01-28

Family

ID=70733032

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202012925RA SG11202012925RA (en) 2020-02-03 2020-02-03 Blockchain-based trustable guarantees

Country Status (5)

Country Link
US (1) US11201742B2 (en)
EP (1) EP3794773B1 (en)
CN (1) CN111418184B (en)
SG (1) SG11202012925RA (en)
WO (1) WO2020098835A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210314293A1 (en) * 2020-04-02 2021-10-07 Hewlett Packard Enterprise Development Lp Method and system for using tunnel extensible authentication protocol (teap) for self-sovereign identity based authentication
CN114221972A (en) * 2020-09-03 2022-03-22 中国电信股份有限公司 Relay blockchain system and cross-chain transaction method
CN111934998B (en) * 2020-09-25 2021-02-09 支付宝(杭州)信息技术有限公司 Message transmission method and device
CN113302612B (en) * 2020-11-25 2022-12-20 支付宝(杭州)信息技术有限公司 Computer implementation method, system and device for cross-chain and cross-network data transmission
CN113268749B (en) * 2021-05-21 2023-05-23 中国联合网络通信集团有限公司 Bid information processing method and module and electronic equipment
CN113468268B (en) * 2021-06-29 2024-07-19 北京百度网讯科技有限公司 Cross-chain processing method and device, electronic equipment and readable storage medium
CN113468581A (en) * 2021-07-26 2021-10-01 永旗(北京)科技有限公司 Cross-block-chain data access method
NL2029243B1 (en) * 2021-09-24 2022-08-12 Shenzhen Hande Finmaker Co Ltd Cross-chain asset transfer method and system, terminal device and storage medium
NL2029244B1 (en) * 2021-09-24 2022-08-12 Shenzhen Hande Finmaker Co Ltd Method and system for calling, signing, and analyzing blockchain cross-chain contract, and storage medium
CN114202426B (en) * 2022-02-16 2022-05-20 工保科技(浙江)有限公司 Block chain-based insurance application method, system and medium for electronic insurance function contract
CN114579595B (en) * 2022-05-06 2022-08-12 中国信息通信研究院 Data writing method and device, computer readable storage medium and electronic equipment

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950005536A (en) 1993-08-05 1995-03-20 사또오 아키오 Prepregs and Laminated Structures
US20030140007A1 (en) 1998-07-22 2003-07-24 Kramer Glenn A. Third party value acquisition for electronic transaction settlement over a network
JP2010503252A (en) 2006-08-31 2010-01-28 インターナショナル・ビジネス・マシーンズ・コーポレーション Computing platform proof
US10693658B2 (en) 2016-02-12 2020-06-23 Visa International Service Association Methods and systems for using digital signatures to create trusted digital asset transfers
US20170243193A1 (en) * 2016-02-18 2017-08-24 Skuchain, Inc. Hybrid blockchain
AU2017222708A1 (en) * 2016-02-22 2018-09-13 Royal Bank Of Canada Electronic document platform
US20180218176A1 (en) 2017-01-30 2018-08-02 SALT Lending Holdings, Inc. System and method of creating an asset based automated secure agreement
US10255342B2 (en) * 2017-04-12 2019-04-09 Vijay K. Madisetti Method and system for tuning blockchain scalability, decentralization, and security for fast and low-cost payment and transaction processing
US11037118B2 (en) 2017-04-28 2021-06-15 International Business Machines Corporation Zero knowledge third party guarantee of service on decentralized computing platform
CN107392608B (en) * 2017-07-11 2020-07-07 北京博晨技术有限公司 Block chain system-based digital asset transaction method and block chain system
CN107424073A (en) * 2017-07-17 2017-12-01 杭州复杂美科技有限公司 A kind of method of across chain numeral credits transaction
US20190205898A1 (en) 2017-07-31 2019-07-04 Chronicled, Inc Decentralized confidential transfer system, method and device
CN107862216B (en) * 2017-10-13 2021-04-06 布比(北京)网络技术有限公司 Privacy protection method, device and storage medium for anonymous cross-link transaction
CN108288159A (en) * 2018-03-07 2018-07-17 物数(上海)信息科技有限公司 Across chain method of commerce, system, equipment and storage medium based on multi-tiling chain
CN108737403A (en) * 2018-05-10 2018-11-02 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
KR101946557B1 (en) * 2018-05-15 2019-05-03 한국마필거래소(주) Method and system for registering and managing gene information using block chain
US11912842B2 (en) 2018-06-29 2024-02-27 Dow Global Technologies Llc Foam bead and sintered foam structure
CN113989047A (en) 2018-07-27 2022-01-28 创新先进技术有限公司 Asset publishing method and device based on block chain and electronic equipment
CN109102295A (en) 2018-08-31 2018-12-28 深圳市有钱科技有限公司 A kind of goodwill transfering use right system
CN109379199B (en) * 2018-09-03 2021-07-20 中国联合网络通信集团有限公司 User credit processing method, device, equipment and storage medium
CN110019103B (en) * 2018-10-16 2024-02-09 陕西医链区块链集团有限公司 Cross-chain system and cross-chain implementation method based on block chain
US20200126075A1 (en) * 2018-10-18 2020-04-23 Temujin Labs, Inc. Confidential transaction auditing using an authenticated data structure
CN109558517B (en) 2018-10-24 2023-02-03 中山大学 Multi-party secure election system based on block chain
US20200143337A1 (en) * 2018-11-02 2020-05-07 Figure Technologies, Inc. Secure computer network-based platform
US20200143466A1 (en) * 2018-11-06 2020-05-07 Jianxin Wu Blockchain-based lending systems and methods
JP2020502864A (en) 2018-11-07 2020-01-23 アリババ・グループ・ホールディング・リミテッドAlibaba Group Holding Limited Blockchain data protection using homomorphic encryption
CN110419055B (en) 2018-11-07 2023-08-22 创新先进技术有限公司 Blockchain data protection based on account ticket model with zero knowledge proof
KR102348768B1 (en) 2018-11-07 2022-01-06 어드밴스드 뉴 테크놀로지스 씨오., 엘티디. Blockchain Data Protection Using Homomorphic Encryption
CN110035046B (en) * 2018-11-16 2020-02-21 阿里巴巴集团控股有限公司 Cross-block chain interaction system
CN109614820A (en) 2018-12-06 2019-04-12 山东大学 Intelligent contract authentication data method for secret protection based on zero-knowledge proof
CN109903026A (en) 2018-12-14 2019-06-18 阿里巴巴集团控股有限公司 Event-handling method and device, electronic equipment based on block chain
SG11201908651SA (en) 2019-03-01 2019-10-30 Alibaba Group Holding Ltd Methods and devices for protecting sensitive data of transaction activity based on smart contract in blockchain
KR102247658B1 (en) 2019-04-03 2021-05-06 어드밴스드 뉴 테크놀로지스 씨오., 엘티디. Processing of blockchain data based on smart contract behavior executed in a trusted execution environment
CN110033272A (en) * 2019-04-03 2019-07-19 中国工商银行股份有限公司 Letter of guarantee data processing method, equipment and system based on block chain
CN110378782A (en) * 2019-06-19 2019-10-25 深圳壹账通智能科技有限公司 The credit method, apparatus of guarantee certainly, storage medium and equipment based on block chain
CN112003703B (en) 2019-06-28 2023-08-22 创新先进技术有限公司 Method and device for transmitting authenticatable message across chains
CN116910726A (en) 2019-07-02 2023-10-20 创新先进技术有限公司 System and method for mapping a de-centralized identity to a real entity
CN111095865B (en) 2019-07-02 2023-08-04 创新先进技术有限公司 System and method for issuing verifiable claims
CN110428249A (en) * 2019-07-25 2019-11-08 重庆邮电大学 A kind of side chain small amount payment system based on zero-knowledge proof
CN110428334A (en) 2019-08-09 2019-11-08 中国工商银行股份有限公司 Bill processing method and device based on block chain network
CN110650189B (en) * 2019-09-20 2022-01-18 深圳供电局有限公司 Relay-based block chain interaction system and method
CN110795501A (en) 2019-10-11 2020-02-14 支付宝(杭州)信息技术有限公司 Method, device, equipment and system for creating verifiable statement based on block chain
CN110995420A (en) 2019-11-27 2020-04-10 支付宝(杭州)信息技术有限公司 Data processing method and system

Also Published As

Publication number Publication date
WO2020098835A3 (en) 2020-12-10
CN111418184A (en) 2020-07-14
EP3794773B1 (en) 2022-09-07
EP3794773A4 (en) 2021-05-05
CN111418184B (en) 2022-09-09
WO2020098835A2 (en) 2020-05-22
US11201742B2 (en) 2021-12-14
EP3794773A2 (en) 2021-03-24
WO2020098835A9 (en) 2021-01-07
US20210126792A1 (en) 2021-04-29

Similar Documents

Publication Publication Date Title
SG11202013213UA (en) Blockchain-Based Trustable Guarantees
SG11202012925RA (en) Blockchain-based trustable guarantees
CA204428S (en) Case
SG11202013137TA (en) Blockchain-based trustable guarantees
SG11202013136SA (en) Blockchain-based trustable guarantees
IL288077A (en) Solid state forms
CA207972S (en) Case
CA190078S (en) Case
SG11202012924WA (en) Blockchain-based trustable guarantees
SG11202013145YA (en) Blockchain-based trustable guarantees
SG11202012851YA (en) Blockchain-based trustable guarantees
CA193277S (en) Smartwatch case
CA203786S (en) Case
CA203793S (en) Case
CA189106S (en) Fastener
CA203242S (en) Case
CA195343S (en) Slider
GB201918952D0 (en) Tape
CA207971S (en) Case
GB2587622B (en) Small fastener
GB2587241B (en) Fastener
EP4149317C0 (en) Case
CA189432S (en) Case
CA189431S (en) Case
GB202019673D0 (en) Case