[Openid-specs-fapi] External : The NextGenPSD2 Hotel Reservation Scheme

Anders Rundgren anders.rundgren.net at gmail.com
Fri Apr 3 13:53:19 UTC 2020


On 2020-04-03 15:41, Chris Michael wrote:
> Regarding your last sentence, I think you guess wrong Anders. Variable Recurring Payments is a much more flexible alternative to enable such functionality.

OK, do you have a link to VRP?

FWIW, Saturn/OpenBankingWallet performs VRP in exactly the same manner as I described for hotel reservations.  Signatures rock!

Regards,
Anders

> 
> 
> Chris Michael
> Head of Technology
> Open Banking Limited
> https://www.openbanking.org.uk
> +44 (0)7767 372277
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> *From:* Openid-specs-fapi <openid-specs-fapi-bounces at lists.openid.net> on behalf of Anders Rundgren via Openid-specs-fapi <openid-specs-fapi at lists.openid.net>
> *Sent:* Friday, April 3, 2020 2:36:56 PM
> *To:* Financial API Working Group List <Openid-specs-fapi at lists.openid.net>
> *Cc:* Anders Rundgren <anders.rundgren.net at gmail.com>
> *Subject:* External : [Openid-specs-fapi] The NextGenPSD2 Hotel Reservation Scheme
> The NextGenPSD2 folks recently did a presentation at a W3C (virtual) conference.
> 
> This slide particularly caught my interest:
> https://www.w3.org/2020/Talks/berlin-20200402.pdf#page=9
> 
> Although not accompanied by any text, it seems that the reservation is made through the Merchant's(Hotel's) Bank.
> 
> I don't think this is how card schemes deal with this scenario but I could be wrong.
> 
> The Saturn/OpenBankingWallet makes reservations an entirely local affair between the User, User's Bank and Merchant where the result is:
> - Reservation/Blocking of money in the User's Bank
> - A "receipt" signed by the User's Bank given to the Merchant who can verify that it is signed by a Bank (through PKI) belonging to the associated payment network.
> 
> The "receipt" is counter-signed by the Merchant when the payment is to be resolved.  As far as I can tell the User is seldom or never involved in this part.  "Express checkout" reigns.
> 
> Anyway, I don't see a need to involve the Merchant's Bank although the Merchant may of course check if the payment has arrived.
> 
> This (again) shows that security models may have way more impact on system architecture and flows than most people are aware of.
> 
> I guess FAPI/OBIE will follow the (quite difficult) path of NextGenPSD2?
> 
> Thanx,
> Anders
> 
> 
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