Bitcoin Mining Distribution
Block: 155290
30 Nov 2011 

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

         Total Chain 100.00%           1,742

             Unknown  81.16%           1,415
           BTC Guild  13.77%             237
             Eligius   2.90%              51
         Yourbtc.net   2.17%              38