Bitcoin Mining Distribution
Block: 158237
20 Dec 2011 

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

         Total Chain 100.00%           2,118

             Unknown  77.36%           1,639
           BTC Guild  13.21%             279
         Yourbtc.net   5.66%             119
             Eligius   2.52%              53
           BitMinter   1.26%              26