Bitcoin Mining Distribution Block: 167104 17 Feb 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 2,202 Unknown 65.22% 1,436 SlushPool 13.04% 287 BTC Guild 12.32% 271 OzCoin 5.80% 127 Eligius 2.90% 63 BitMinter 0.72% 15