"The code from the Authenticator is based off of the serial number of the device or app and a date/time stamp. Because of this, a code is only good for about 30 seconds."

That statement is 100% incorrect.

The authenticator app for iPhone MIGHT have a time limit, but I kind of doubt it. The original little keychain authenticator does NOT have a 30 second time limit, or any time limit, for that matter. Think about it.. it isn't connected to anything for Blizzard to know when a # was generated. The iPhone app is, but the original isn't. ;)

I have had more than a couple of experiences where I had to use a code that was generated from my keychain authenticator long after the so-called 30-second limit.

NOW, with that said... I have not tried to remove an authenticator. It is quite possible that yes, codes go in a certain order and one would need a certain number of them in sequential order in order to remove it. And THAT is where a 30-second Time Out may be in place.. to enter them within 30-seconds of each other.

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