作者: Yuh-Shen Song , Catherine Lew , Alexander Song , Victoria Song
DOI:
关键词: Code (cryptography) 、 Financial transaction 、 Communication device 、 Business 、 Payment 、 Payment processor 、 Telecommunications 、 EFTPOS 、 Commerce 、 Financial instrument 、 ATM card
摘要: A computer system enables users to conduct financial transactions in a secured manner without using traditional instruments. The sending pass code first personal communication device of user. has predefined lifetime. also approving the transaction between user and second response receiving from before expires.