Dont know really, but im getting a better pay out per day vs. middlecoin. So i dont really care.

Its really easy to monitor what coins you have mined, and whats to be exchanged.

And a big plus is that it has vardiff, and they convert all coins before payout, so they dont hold 15% to the next day like middlecoin do.

Try mine there, just even for an hour  and then go here http://wafflepool.com/miners and type in your wallet address, and see the magic.