Bitcoin Mining Distribution Block: 251850 13 Aug 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 93,340 BTC Guild 29.17% 27,224 50BTC 17.59% 16,420 ASICMiner 10.19% 9,506 Unknown 8.33% 7,778 SlushPool 7.41% 6,914 Eligius 6.94% 6,481 EclipseMC 5.56% 5,185 GHash.IO 4.17% 3,889 BitMinter 2.31% 2,160 F2Pool 2.31% 2,160 HHTT 2.31% 2,160 OzCoin 1.85% 1,728 Bitparking 1.39% 1,296 Polmine 0.46% 432