Bitcoin Mining Distribution Block: 408222 21 Apr 2016 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 303,454,945 AntPool 27.08% 81,995,626 F2Pool 24.17% 73,409,462 BTCC 13.42% 40,824,174 BitFury 9.90% 30,094,105 BWPool 6.76% 20,525,514 SlushPool 4.50% 13,703,219 KnCMiner 3.85% 11,675,518 BitClub 3.80% 11,488,804 KanoPool 3.05% 9,214,706 1Hash 1.50% 4,548,196 Telco 214 0.75% 2,264,326 GHash.IO 0.38% 1,132,163 Unknown 0.19% 570,967 Solo CK 0.14% 442,882 BitMinter 0.14% 433,111 Bravo Mining 0.14% 433,111 Eligius 0.09% 285,483 Eobot 0.05% 137,856 NiceHash 0.05% 137,856 Patels 0.05% 137,856