Bitcoin Mining Distribution
Block: 159744
30 Dec 2011 

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

         Total Chain 100.00%           1,844

             Unknown  86.23%           1,590
           BTC Guild   5.80%             106
             Eligius   5.07%              93
         Yourbtc.net   2.90%              53