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-NO  61.18%           1,162
         Unknown-YES  21.71%             412
       BTC Guild-YES  10.53%             200
          Eligius-NO   3.95%              75
     Yourbtc.net-YES   1.97%              37
       BitMinter-YES   0.66%              12