Bitcoin Mining Distribution
Block: 157142
12 Dec 2011 

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

         Total Chain 100.00%           1,900

             Unknown  82.89%           1,575
           BTC Guild  10.53%             200
             Eligius   3.95%              75
         Yourbtc.net   1.97%              37
           BitMinter   0.66%              12