Blog post by Gaël Duval about alternative to Google Pay
(also at https://gael-duval.medium.com/ce8406965c20)
The alternative he talks about is Curve, and it should work just as well with IodéOS - and Iodé Blocker dealing with the privacy issues - as he says it does with /e/OS and their ‘Advanced Privacy’. You get a card (for use in ATMs) as well as an Android (or iOS) app for NFC payments