Bitcoin Mining Distribution Block: 396049 01 Feb 2016 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 248,604,387 AntPool 28.73% 71,422,255 F2Pool 20.99% 52,193,186 BTCC 16.57% 41,205,147 BitFury 11.60% 28,843,603 SlushPool 4.97% 12,361,544 BWPool 4.42% 10,988,039 BitClub 3.31% 8,241,029 KnCMiner 3.31% 8,241,029 Eligius 1.66% 4,120,514 KanoPool 1.66% 4,120,514 21 Inc. 1.10% 2,747,009 BitMinter 0.55% 1,373,504 GHash.IO 0.55% 1,373,504 Telco 214 0.55% 1,373,504