Bitcoin Mining Distribution Block: 344444 21 Feb 2015 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 80,973,389 AntPool-NO 15.19% 12,299,755 F2Pool-YES 14.56% 11,787,265 BWPool-NO 11.39% 9,224,816 BTCC-NO 9.49% 7,687,347 Unknown-NO 8.86% 7,174,857 Unknown-YES 8.23% 6,662,367 BTC Guild-YES 5.06% 4,099,918 GHash.IO-YES 4.43% 3,587,428 Eligius-YES 3.80% 3,074,938 KnCMiner-NO 3.80% 3,074,938 Bitcoin Affiliate Network-NO 3.16% 2,562,449 SlushPool-NO 2.53% 2,049,959 digitalBTC-NO 1.90% 1,537,469 BitFury-NO 1.90% 1,537,469 Telco 214-NO 1.27% 1,024,979 Tangpool-YES 1.27% 1,024,979 BitMinter-YES 0.63% 512,489 EclipseMC-YES 0.63% 512,489 MegaBigPower-NO 0.63% 512,489 BTC Nuggets-NO 0.63% 512,489 Bixin-YES 0.63% 512,489