How about making this for bitcoin?
Related (from another thread):
Looking forward to the LocalBitcoins mobile app.
A few months ago was a StartupBus competition, and one of the contestants was Open Wallet app:
Here's their proof of concept video:
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http://www.youtube.com/watch?v=QoRlyPZ3zJ0I have no idea what they were going to use to settle payment to the party acting as "ATM". I wouldn't doubt they had no good solution ... and left it as "and magic happens here", after figuring out that PayPal wouldn't work for this.
If that was the hurdle these entrepreneurs couldn't solve, then had they considered using bitcoin as the settlement currency they might have been able to get funding, develop it and launch.
Well, ... will LocalBitcoins take it further?