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1. (WO2018128581) A TRANSACTION MANAGEMENT METHOD

Pub. No.:    WO/2018/128581    International Application No.:    PCT/SG2017/050007
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Sat Jan 07 00:59:59 CET 2017
IPC: G06Q 10/08
G06K 19/07
Applicants: AIMAZING PTE LTD
Inventors: KONG, Yi Kai
CHENG, Chia How
Title: A TRANSACTION MANAGEMENT METHOD
Abstract:
Described herein is a transaction management method comprising receiving incoming sound signals transmitted in at least one of a plurality of frequencies from a client device, the plurality of frequencies being pre-defined, extracting transaction digest from the incoming sound signals of at least one of the plurality of frequencies and verifying existence of a merchant code in the transaction digest, the transaction digest further comprising a client code being incorporated into the transaction digest by the client device. The transaction management method further comprises updating a blockchain with the transaction digest in response to existence of the merchant code being verified. Wherein transaction between the merchant and the client is effected upon update of the blockchain with the transaction digest.