Understanding POS (Point of Sale) transaction debits your account

Flow of a transaction from a POS merchant device explained. Include pre Auth messages and Merchant settlement File handling.

[@aymericdekerdanet9318]

This channel is a hidden gem

[@TheFintechTechie]

Thanks so much for this motivating comment! Much appreciated.

[@zenfitteam7622]

Really really helpful... Could you clarify the MDR charging for on us and off us transactions pls