If it's sticker based QR normally you just show your screen to the person behind the counter before you pay to verify recipient and amount. Many payment QRs ar

If it's sticker based QR normally you just show your screen to the person behind the counter before you pay to verify recipient and amount. Many payment QRs are actually dynamically generally on a POS machine LCD so you get amount and recipient on your device - so that fake sticker problem doesn't exist in these cases