Bitcoin Mining Distribution
Block: 159606
29 Dec 2011 

Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash):

         Total Chain 100.00%           2,068

             Unknown  76.13%           1,575
           BTC Guild  13.55%             280
             Eligius   5.16%             106
         Yourbtc.net   3.23%              66
           BitMinter   1.29%              26
       simplecoin.us   0.65%              13