Bitcoin Mining Distribution Block: 263708 15 Oct 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 547,467 BTC Guild 26.80% 146,721 GHash.IO 20.80% 113,873 Unknown 19.60% 107,303 Eligius 7.20% 39,417 SlushPool 7.20% 39,417 BitMinter 4.80% 26,278 EclipseMC 3.20% 17,518 50BTC 2.80% 15,329 ASICMiner 2.40% 13,139 CloudHashing 1.60% 8,759 OzCoin 1.60% 8,759 F2Pool 1.20% 6,569 Bitparking 0.40% 2,189 Polmine 0.40% 2,189