Bitcoin Mining Distribution
Block: 156846
10 Dec 2011 

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

         Total Chain 100.00%           1,848

             Unknown  76.19%           1,408
           BTC Guild  17.01%             314
             Eligius   3.40%              62
              NMCbit   2.04%              37
         Yourbtc.net   1.36%              25