It is a very interesting idea. Basically, an IMiner! Man, this is a bit scary actually, but still centralized. I mean they could offer or tie it to their stock even.
An then others would try to copy their miners (e.g. China) and then mine the coins. Jailbreaking your IMiner. Exciting!

Just throwing around ideas you can see Crypo's are going to really disrupt things.

IAS