公开(公告)号：WO2018128581A1

公开(公告)日：2018-07-12

申请号：PCT/SG2017/050007

申请日：2017-01-06

Applicant: AIMAZING PTE LTD

Inventor： KONG, Yi Kai ,  CHENG, Chia How

IPC: G06Q10/08 ,  G06K19/07

CPC classification number: G06Q30/0601 ,  G06Q20/3272

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.