[Openid-specs-fapi] Receipts for Open Banking payments

[Anders Rundgren]

Here is an UX example of a universal receipt scheme for the Open Banking Wallet/Saturn:

https://mobilepki.org/test/receipt.html

This is a DECENTRALIZED alternative to the GAFA who can achieve this in a MUCH simpler way.

The specification:
https://cyberphone.github.io/doc/saturn/saturn-v3-presentation.pdf#page=15

Anders