Quote from: bitcola on June 23, 2011, 03:27:49 PM

You should look at smartphones.

Already in Japan and Korea they have skipped the smartcard and people are now paying by waving their smartphones at the counter (no idea how it works).

Also, have a separate wallet for this concept as a whole then security is not really a concern.

It's like my current smartcard used for public transport and sometimes other services that can be used in London (Oyster), Hong Kong (Octopus) and many other cities. You don't store your entire bank holdings on it, just enough for a week, say $100 max.

If you encrpyt it good enough, no hacker will bother to spend time to just get 10 bucks on the card.

As I have seen, there already are some projects regarding wallet on smartphone (at least on the android devices), and we are considering this, or at least supporting something like this. But as smartphone systems are complex, there is a lot of room for security issues, and we want to make something that will be secure enough to prevent at least remote hacking. Nobody will bother to hack for 10$, but if you can replicate the hypothetic issue on a number of phones, the profit could be large. With smart card you need physical presence to hack them (Or so I believe)

Thanks for the suggestion though!