Bitcoin Mining Distribution
Block: 158520
22 Dec 2011 

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

         Total Chain 100.00%           1,857

             Unknown  79.85%           1,483
           BTC Guild  11.94%             221
             Eligius   4.08%              75
         Yourbtc.net   3.12%              58
           BitMinter   0.65%              12
              NMCbit   0.30%               5
       simplecoin.us   0.05%               0