Quote:
Originally Posted by MalcolmTucker
Automatic renewals and cash loading online. You can't do that with a stored value card, whether it is contactless and plastic or paper with a magnetic strip. You need to have interaction with a central database to do these things. Making the system work without constant data connections on the terminals would require the readers to store two way communication (requests for top ups, verified top ups) for accounts until the card is updated, and the terminal is able to sync, while allowing cards with expired renewals or low cash balances to still authorize.
As you can see, adding a feature that sounds easy is anything but.
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When you need to 'top-up' at a station if the card is now insufficient in funds... Is that an 'automatic renewal'?
If not, I'd scrap those two features to get it to work.
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