Bitcoin Mining Distribution Block: 359305 04 Jun 2015 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 77,297,362 F2Pool 19.01% 14,697,385 AntPool 17.61% 13,608,690 BTCC 9.15% 7,076,519 BWPool 8.45% 6,532,171 21 Inc. 7.75% 5,987,823 BitFury 4.93% 3,810,433 KnCMiner 4.93% 3,810,433 Unknown 4.93% 3,810,433 BTC Guild 4.23% 3,266,085 GHash.IO 3.52% 2,721,738 SlushPool 3.52% 2,721,738 Telco 214 2.82% 2,177,390 Bitcoin Affiliate Network 2.11% 1,633,042 digitalX Mintsy 2.11% 1,633,042 MegaBigPower 1.41% 1,088,695 BitMinter 0.70% 544,347 Eligius 0.70% 544,347 Huobi 0.70% 544,347 KanoPool 0.70% 544,347 Polmine 0.70% 544,347