Bitcoin Mining Distribution Block: 352999 21 Apr 2015 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 84,763,317 F2Pool 20.78% 17,613,156 AntPool 13.64% 11,558,634 BTCC 13.64% 11,558,634 BWPool 12.99% 11,008,223 BTC Guild 5.84% 4,953,700 Unknown 5.84% 4,953,700 KnCMiner 5.19% 4,403,289 SlushPool 3.90% 3,302,466 BitFury 3.25% 2,752,055 GHash.IO 2.60% 2,201,644 Polmine 2.60% 2,201,644 Bitcoin Affiliate Network 1.95% 1,651,233 Eligius 1.95% 1,651,233 Telco 214 1.95% 1,651,233 BitMinter 1.30% 1,100,822 21 Inc. 0.65% 550,411 BTC Nuggets 0.65% 550,411 MegaBigPower 0.65% 550,411 digitalBTC 0.65% 550,411