[Tagging] [RFC] Feature Proposal - Digital Wallet Payments V2

[reinhart at reinhart1010.id]

Good day, I would like to introduce a proposal that affects the payment
tagging scheme for acceptance of digital wallet applications. The
proposal can be viewed on:
https://wiki.openstreetmap.org/wiki/Proposal:Digital_wallet_payments_V2

Two significant differences this proposal brings are:

1. The tag values should now correspond not just about whether a certain
    payment method is accepted, but also how the merchant or the point of
    interest accepts the payment method (e.g. by performing Contactless
    or scanning the merchant's QR code).

2. The tagging scheme requires that ALL existing digital wallet
    applications to be tagged according to their country of origin. e.g.
    payment:US:google_pay for Google Pay in the United States,
    payment:IN:google_pay for Google Pay in India (formerly Tez), and
    payment:CN:alipay for Alipay in Mainland China (to support
    merchants who also accepts Alipay but for Mainland China customers).
    More information about this requirement has been thoroughly
    discussed on the Rationale section of the wiki page.

Through this proposal, the author hopes that payment-specific
information on POIs can be further clarified, which may also benefit
users by informing how they should prepare to perform payments with
their favourite digital wallet applications.

Please discuss this proposal on its Wiki Talk page.