System for controlling user access to a service

摘要

The invention concerns a system for controlling user access to a service having a read device (210) arranged to contactlessly read a payment card (211) of a user; and a control block (214) coupled to an entry gate (202), the control block arranged to determine whether online payment authorization should be requested for the payment card, wherein if it is determined that online payment authorization should be requested, the control block is arranged to allow the user access to the service prior to completing an online payment authorization for the payment card.