FinPay is an app for IC/MS card, UnionPay card, cash receipt approval.

In accordance with the Specialized Credit Finance Business Act, which entered into force in July 2015, all payment equipment must undergo security certification.
In accordance with the Credit Specialized Finance Business Act, App. and payment equipment (mobile readers) must also receive security authentication for payment services using smartphones.

FinPay App. is an App. that is provided to solve the inconvenience of having to obtain security certification at the affiliated store. If there is an App. that the affiliated store uses by itself, the App. in use is linked with FinPay with only a simple modification. There is no need to obtain security certification.

FinPay App. requires a separate mobile reader payment device for service.

-Privacy Policy
https://fas.firstdatacorp.co.kr/finpayPriv.html