For offline QRIS, the customer makes a transaction by scanning the QR listed at the merchant’s retail outlet, and entering the nominal according to the total price at the cashier. Usually the customer will show the payment receipt screen to the cashier to confirm the payment.
As for online QRIS, merchants display a different QRIS for each transaction, which contains transaction nominal information and other payment details. These payment details allow the system to perform automatic checks, so merchants will immediately get the notification after the bill is paid without having to do a manual check.
QRIS online is suitable for merchants who have online business where the checkout process is carried out independently by the customer.
The following is the more comprehensive information about how to receive QRIS