Bitcoin Mining Distribution Block: 167725 21 Feb 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 2,200 Unknown 72.86% 1,603 SlushPool 10.00% 220 BTC Guild 9.29% 204 Eligius 2.86% 62 OzCoin 2.86% 62 BitMinter 2.14% 47