Re: [browser-payment-api] Suggest two alternative payment method identifier proposals (#34)

> I think the former also, but I would like to explore what that means if visa want to change their scheme, hence my suggestion of visa also being able to be specified as https://visa.com/card. I realise don't have a good answer here as Ian pointed out with my redirect suggestion!

It is possible for multiple payment method identifiers to be synonyms. Option 2 calls this out but it applies equally to Option 1. It is important that during registration all the synonyms for a payment method are declared so that the equivalence check can be done authoritatively.

If the scheme changes resulting in different messaging then a new identifier is required.

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