Bitcoin Mining Distribution Block: 168797 28 Feb 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 2,434 Unknown 69.48% 1,691 BTC Guild 13.64% 331 SlushPool 10.39% 252 OzCoin 3.25% 79 BitMinter 1.30% 31 Eligius 1.30% 31 NMCbit 0.65% 15