What alternatives are there for Google Wallet/Google Pay? If they are OpenSource better.
Do not know of any open source alternatives and it is surprising to me there are none. To my understanding, all that is needed as a mobile app that one can store their credit card on (number, expiry, cvc) and have NFC for permission for tap payments. The app should be able to function offline since the payment is done though the NFC, not your phone’s internet connection.
It’s a bit more complex than that because for contactless payments you don’t share the card information with the vendor but an authorization token that need to be verifiable and certifiable by visa or mastercard.
So it needs to be sponsored in a way by visa or mastercard.
How would one go about creating a fully FOSS or mostly FOSS alternative to Google Pay?