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1. IN201947016650 - BLOCKCHAIN DATA PROTECTION BASED ON ACCOUNT NOTE MODEL WITH ZERO-KNOWLEDGE PROOF

Office India
Application Number 201947016650
Application Date 26.04.2019
Publication Number 201947016650
Publication Date 08.05.2020
Publication Kind A
IPC
G06Q 20/38
GPHYSICS
06COMPUTING; CALCULATING OR 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
Applicants ALIBABA GROUP HOLDING LIMITED
Inventors MA, Baoli
ZHANG, Wenbin
MA, Huanyu
LIU, Zheng
LI, Lichun
Title
(EN) BLOCKCHAIN DATA PROTECTION BASED ON ACCOUNT NOTE MODEL WITH ZERO-KNOWLEDGE PROOF
Abstract
(EN)
Implementations of the present disclosure include receiving from a first account a digitally signed copy of a plurality of notes a commitment of a transaction amount of a transaction between the first account and a second account paid by at least a portion of the plurality of notes a commitment of a change from deducting the transaction amount from a total value of the plurality of notes and a zero-knowledge proof generated based on one or more selected random numbers. The first account determines that the total value of the plurality of notes equals the sum of the transaction amount and the change validates the transaction and updates the first account and the second account based on the plurality of notes the transaction amount and the change.