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 63.35% 3,158 BTC Guild 13.04% 650 SlushPool 11.18% 557 BitMinter 4.97% 247 OzCoin 4.97% 247 TripleMining 1.24% 61 CoinLab 0.62% 30 MaxBTC 0.62% 30