Bitcoin Mining Distribution Block: 412643 21 May 2016 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 332,238,667 AntPool 24.83% 82,502,219 F2Pool 24.16% 80,272,429 BTCC 12.08% 40,136,214 BitFury 11.41% 37,906,425 BWPool 9.40% 31,217,055 KnCMiner 6.71% 22,297,897 SlushPool 4.03% 13,378,738 KanoPool 2.01% 6,689,369 BitClub 1.34% 4,459,579 BitMinter 1.34% 4,459,579 1Hash 0.67% 2,229,789 GHash.IO 0.67% 2,229,789 Telco 214 0.67% 2,229,789 Unknown 0.67% 2,229,789