Bitcoin Mining Distribution Block: 389582 22 Dec 2015 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 160,674,043 F2Pool 25.50% 40,977,272 AntPool 24.16% 38,820,574 BTCC 13.42% 21,566,985 BitFury 10.07% 16,175,239 BWPool 7.38% 11,861,842 KnCMiner 5.37% 8,626,794 SlushPool 4.70% 7,548,445 21 Inc. 3.36% 5,391,746 Telco 214 2.68% 4,313,397 KanoPool 1.34% 2,156,698 BitMinter 0.67% 1,078,349 GHash.IO 0.67% 1,078,349 Unknown 0.67% 1,078,349