[Openid-specs-fapi] FAPI - The elephant in the room
anders.rundgren.net at gmail.com
Fri May 10 16:34:07 UTC 2019
On 2019-05-10 15:57, Dave Tonge wrote:
> I'm not sure I follow your argument.
Dear Dave et al,
Note: the following is only valid for traditional, merchant-initiated, consumer payments. Payments as a part of financial services (banking) is another story which I have less insight in.
> 1. Mobile works fine with OAuth
From an outside looking in position it seems that the Open Banking community as a whole has caught the "Hammer Syndrome".
If you take Apple Pay as an example it has virtually nothing in common with OAuth.
Conclusion: there are evidently quite different "Nails" out there. Although Apple Pay builds on a dated card centric scheme, the core concept (statically provisioned account-specific authorization-keys and associated meta-data) has in no way ran out of gas. These schemes also markedly departs from FIDO since their privacy model is based on encryption rather than domain-bindings.
A showdown is looming on the horizon.
In case the FAPI WG would like to discuss this topic further, we can do that anytime.
I leave it there but feel free communicating with me off-list!
> 2. A PISP is a lightweight technology service provider that allows a merchant to receive payments into their bank account directly from their customers bank accounts.
So does a plain-vanilla web redirect as well.
Big merchants will be their own PISPs, but many small to medium size retailers will use a PISP (or indeed their existing payments platform will become a PSIP, e.g. Ayden: https://www.finextra.com/newsarticle/33411/adyen-launches-open-banking-powered-payment-method
> On Mon, 29 Apr 2019 at 10:40, Anders Rundgren via Openid-specs-fapi <openid-specs-fapi at lists.openid.net <mailto:openid-specs-fapi at lists.openid.net>> wrote:
> Dear list,
> I hope you don't get too annoyed by my sometimes slightly "deviating" postings.
> Anyway, this article
> triggered me to once again reiterate what I consider a core problem with the FAPI vision.
> In my opinion (supported by massive amounts of real-world deployments), payment transaction requests are rendered and authorized on mobile devices which seems to be at odds with the server-centric OAuth way of doing things.
> It all really boils down to the question: do "Financial Services" and "Consumer Payments" actually benefit from using the same technology?
> A related question is the value of a Payment Initiation Service. As far as I can see it is essentially a "firewall" between the merchant and the user's bank. The need for such a firewall is not evident.
> I believe this part of Open Banking needs a refresh where the PIS concept is replaced by something else like e-money institutions issuing virtual payment cards. Performing bank selection in the PIS and (optionally) account selection in the bank seems very fuzzy compared to simply selecting a card in a consistent user interface. That there is no generally accepted "Wallet" out there is of course a snag.
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