The payment system could activate a verbal announcement after the funds have been transferred successfully.
Mei Yin Ng
Have a moving picture or gif with time, date and amount to show confirmation of payment.
Allan Tan
Just add an acknowledgement button, which the recipient needs to press, that comes with animation.
Junyi Jude Low
The app should indicate the date and time of payment clearly so that cheaters can't use a past transaction's screenshot.
Yvonne Zhou
