Bitcoin Mining Distribution
Block: 159886
31 Dec 2011 

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

         Total Chain 100.00%           1,902

             Unknown  78.87%           1,500
           BTC Guild  10.56%             200
             Eligius   7.75%             147
         Yourbtc.net   1.41%              26
           BitMinter   0.70%              13
              OzCoin   0.70%              13