“We make it so that they can install Apple Pay, Google Pay or BNPL with a single integration. It can take north of 500 man hours to integrate with a digital wallet because of all the complications around the cryptogram and MMR. But our proprietary technology already takes care of that.”

https://techcrunch.com/2022/03/08/selfbook-raises-15m-at-a-300-valuation-in-tiger-led-extension-to-give-hotels-a-way-to-accept-one-click-payments/