I was wondering about BitCoin and global power price arbitrage just today... The market may not be big enough to make it a very lucrative thing, but I still think it'll be a cool experiment to try. Especially since the computing requirements will only get more rigourous. Longer post here: http://adityaathalye.wordpress.com/2013/02/04/bitcoin-and-gl... [deleted previous comment - mistakenly added reply to comment one level higher]