Bitcoin Mining Distribution Block: 397125 07 Feb 2016 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 275,770,715 F2Pool 23.50% 64,806,118 AntPool 17.50% 48,259,875 BTCC 17.50% 48,259,875 BitFury 13.50% 37,229,046 BWPool 8.00% 22,061,657 SlushPool 6.50% 17,925,096 KanoPool 3.50% 9,651,975 KnCMiner 2.50% 6,894,267 21 Inc. 2.00% 5,515,414 BitClub 1.50% 4,136,560 GHash.IO 1.50% 4,136,560 Solo CK 1.00% 2,757,707 BCMonster 0.50% 1,378,853 BitMinter 0.50% 1,378,853 Eligius 0.50% 1,378,853