Bitcoin Mining Distribution Block: 344120 19 Feb 2015 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 85,368,302 F2Pool 17.96% 15,335,623 Unknown 16.17% 13,802,060 AntPool 13.77% 11,757,311 BWPool 11.38% 9,712,561 GHash.IO 9.58% 8,178,999 BTCC 6.59% 5,623,061 KnCMiner 6.59% 5,623,061 BTC Guild 4.79% 4,089,499 SlushPool 2.40% 2,044,749 BTC Nuggets 1.80% 1,533,562 BitFury 1.80% 1,533,562 Eligius 1.80% 1,533,562 Telco 214 1.80% 1,533,562 KanoPool 1.20% 1,022,374 digitalBTC 1.20% 1,022,374 MegaBigPower 0.60% 511,187 Tangpool 0.60% 511,187