Bitcoin Mining Distribution Block: 199121 17 Sep 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 4,986 Unknown-NO 37.27% 1,858 Unknown-YES 26.09% 1,300 SlushPool-YES 11.18% 557 BTC Guild-YES 9.94% 495 BitMinter-YES 4.97% 247 OzCoin-YES 4.97% 247 BTC Guild-NO 3.11% 154 TripleMining-YES 1.24% 61 MaxBTC-YES 0.62% 30 CoinLab-NO 0.62% 30