Bitcoin Mining Distribution Block: 398474 15 Feb 2016 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 274,539,021 F2Pool 25.90% 71,115,529 AntPool 24.70% 67,807,830 BTCC 13.86% 38,038,539 BitFury 13.86% 38,038,539 BWPool 7.83% 21,500,043 SlushPool 3.61% 9,923,097 KnCMiner 3.01% 8,269,247 BitClub 2.41% 6,615,398 KanoPool 1.81% 4,961,548 21 Inc. 0.60% 1,653,849 Bravo Mining 0.60% 1,653,849 EclipseMC 0.60% 1,653,849 GHash.IO 0.60% 1,653,849 Unknown 0.60% 1,653,849