Woolworths, Big W & BWS have digital receipts and the option to go paperless (via the Everyday Rewards app)
Officeworks does digital receipts (either you scan your Officeworks Card including via the app when you buy, or scan in to app later) – can’t go paperless.
Bunnings does digital receipts (can’t go paperless?) via SMS (can then be tied to your online account).
Bunnings PowerPass (if buying in store via the app) is paperless
IKEA does digital receipts via IKEA Family barcode and then app/website (no paperless?)
JB does digital receipts (can’t go paperless?) via SMS (can then be tied to your online account)
Apple does digital receipts via email (can opt for paperless)
Australia Post can do digital receipts via email for post office purchases
Taco Bell does digital receipts (either emailed to you, or you can scan the QR code from the self service kiosk)