Bitcoin Mining Distribution Block: 263023 12 Oct 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 403,975 BTC Guild 25.41% 102,631 GHash.IO 21.62% 87,346 Unknown 17.30% 69,876 50BTC 7.03% 28,387 SlushPool 7.03% 28,387 F2Pool 5.41% 21,836 Eligius 4.86% 19,652 BitMinter 3.78% 15,285 ASICMiner 3.24% 13,101 EclipseMC 1.62% 6,550 CloudHashing 1.08% 4,367 HHTT 0.54% 2,183 OzCoin 0.54% 2,183 Polmine 0.54% 2,183