Nice idea in theory, except that now you have a system that immediately and catastrophically breaks if there is ever a backend outage (due to, say, a cyberattack or incompetent software trying to prevent one) or your reader loses network connectivity.
> you should never do a system with stored value on a smart card
...if you can afford to ignore the disadvantages of not doing it. Quite often, you think you can, until you can't.
Nice idea in theory, except that now you have a system that immediately and catastrophically breaks if there is ever a backend outage (due to, say, a cyberattack or incompetent software trying to prevent one) or your reader loses network connectivity.
> you should never do a system with stored value on a smart card
...if you can afford to ignore the disadvantages of not doing it. Quite often, you think you can, until you can't.