Pulled from the App Store in 3, 2, 1...
Edit: I know they've redacted apps after release plenty of times in the past, but it clearly involves bitcoin and they clearly have a stance on that, so chances are good that it was a calculated decision.
Examples:
https://blockchain.info/wallet/iphone-app
http://bitcoin.stackexchange.com/questions/5386/why-isnt-bit...
http://www.forbes.com/sites/jonmatonis/2012/06/13/why-apple-...