Re: [w3c/payment-method-basic-card] Brand selection (#49)

@adrianhopebailie, @stpeter, many thanks for your precision.

Just to be sure, if we want local network be represented as a brand in browser basic-card native implementation, we should:
- Reference network in [https://www.w3.org/Payments/card-network-ids](https://www.w3.org/Payments/card-network-ids) (it seems already done for Cartes Bancaires).
- Define a way to detect the brand from the BIN. Is that detection must be static (managed locally to web browser) or can be computed remotely (using remote BIN detection service)?
- In case of co-branded network, find a way to manage multiple brands selection but it seems complicated and we are not sure browser vendors have to go in that direction?

> As one example, we don't want to ask for the billing address if the card is prepaid, but figuring out if the card is prepaid requires black magic and is not all that reliable. 

Fully agree, in my opinion such capabilities are region specifics and I’m not sure it is the right place to manage that logic in browser. In my mind, such regional or business logic must be delegated to merchant and it was the sense of my proposal including a listener on ‘cardbinchange’ to delegate brand detection to merchant.

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Received on Friday, 11 May 2018 08:01:08 UTC