Bitcoin Mining Distribution Block: 189247 16 Jul 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 2,830 Unknown 70.00% 1,981 OzCoin 10.71% 303 SlushPool 10.00% 283 BTC Guild 7.86% 222 BitMinter 1.43% 40