Bitcoin Mining Distribution
Block: 159129
26 Dec 2011 

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

         Total Chain 100.00%           2,322

             Unknown  82.76%           1,922
           BTC Guild  12.64%             293
             Eligius   4.02%              93
         Yourbtc.net   0.57%              13