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1. WO2020098838 - BLOCKCHAIN-BASED TRUSTABLE GUARANTEES

Publication Number WO/2020/098838
Publication Date 22.05.2020
International Application No. PCT/CN2020/074248
International Filing Date 03.02.2020
IPC
G06F 21/60 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
CPC
G06Q 20/12
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
08Payment architectures
12specially adapted for electronic shopping systems
G06Q 20/38215
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
38Payment protocols; Details thereof
382insuring higher security of transaction
3821Electronic credentials
38215Use of certificates or encrypted proofs of transaction rights
G06Q 20/3829
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
38Payment protocols; Details thereof
382insuring higher security of transaction
3829involving key management
G06Q 20/4016
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
38Payment protocols; Details thereof
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
401Transaction verification
4016involving fraud or risk level assessment in transaction processing
G06Q 20/403
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
38Payment protocols; Details thereof
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
403Solvency checks
G06Q 20/405
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
38Payment protocols; Details thereof
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
405Establishing or using transaction specific rules
Applicants
  • ALIPAY (HANGZHOU) INFORMATION TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • LU, Xuming
  • ZHOU, Hui
  • YE, Guojun
Agents
  • BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BLOCKCHAIN-BASED TRUSTABLE GUARANTEES
(FR) GARANTIES FIABLES REPOSANT SUR UNE CHAÎNE DE BLOCS
Abstract
(EN)
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for processing blockchain-based guarantee information. One of the methods includes receiving a cyphertext of a digital document specifying a guarantee from a first computing device associated with a first guarantor and one or more zero-knowledge proofs (ZKPs) related to one or more values associated with the guarantee; verifying that the one or more ZKPs are correct; upon verifying that the one or more ZKPs are correct, storing the cyphertext to a blockchain based on performing a consensus algorithm; receiving a first message from a second computing device associated with a beneficiary or a representative of the beneficiary, the first message including an acceptance of the guarantee by the beneficiary; and updating a status of the guarantee to indicate that the guarantee has been accepted by the beneficiary.
(FR)
L'invention concerne des procédés, des systèmes et un appareil, comprenant des programmes informatiques codés sur des supports d'enregistrement informatiques, permettant de traiter des informations de garanties reposant sur une chaîne de blocs. L'un des procédés consiste à recevoir un cryptogramme d'un document numérique spécifiant une garantie en provenance d'un premier dispositif informatique associé à un premier garant et à une ou plusieurs preuves à connaissance nulle (ZKP) en rapport avec une ou plusieurs valeurs associées à la garantie; à vérifier que lesdites ZKP sont correctes; après vérification que lesdites ZKP sont bien correctes, à mémoriser le cryptogramme dans une chaîne de blocs reposant sur l'exécution d'un algorithme de consensus; à recevoir un premier message en provenance d'un second dispositif informatique associé à un bénéficiaire ou à un représentant du bénéficiaire, le premier message comprenant une acceptation de la garantie par le bénéficiaire; et à mettre à jour un état de la garantie pour indiquer que la garantie a été acceptée par le bénéficiaire.
Also published as
EP2020725748
Latest bibliographic data on file with the International Bureau