Bitcoin Mining Distribution Block: 189859 20 Jul 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 2,912 Unknown-NO 42.96% 1,251 Unknown-YES 22.96% 668 SlushPool-YES 10.37% 302 BTC Guild-YES 8.89% 258 OzCoin-YES 8.15% 237 BitMinter-YES 3.70% 107 Eligius-YES 2.22% 64 MaxBTC-YES 0.74% 21