Bitcoin Mining Distribution Block: 357337 21 May 2015 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 80,893,032 F2Pool 21.35% 17,280,590 AntPool 19.78% 16,007,082 BWPool 10.58% 8,568,758 BTCC 7.93% 6,418,391 BitFury 6.46% 5,222,673 KnCMiner 6.17% 4,988,340 Unknown 5.68% 4,598,426 SlushPool 4.21% 3,400,785 BTC Guild 3.09% 2,493,208 21 Inc. 2.25% 1,813,229 GHash.IO 2.15% 1,744,098 Telco 214 2.06% 1,663,421 Eligius 1.76% 1,422,353 digitalX Mintsy 1.08% 869,162 Bitcoin Affiliate Network 0.98% 793,296 MegaBigPower 0.83% 676,130 BitMinter 0.73% 594,491 BTC Nuggets 0.73% 593,529 Polmine 0.64% 514,776 Solo CK 0.54% 437,948 KanoPool 0.44% 357,272 EclipseMC 0.44% 356,310 transactioncoinmining 0.10% 78,752