Bitcoin Mining Distribution Block: 264345 18 Oct 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 509,540 BTC Guild 25.75% 131,198 GHash.IO 19.16% 97,636 Eligius 12.57% 64,073 Unknown 12.57% 64,073 SlushPool 8.38% 42,715 50BTC 5.99% 30,511 BitMinter 5.39% 27,460 ASICMiner 3.59% 18,306 CloudHashing 1.80% 9,153 EclipseMC 1.80% 9,153 Polmine 1.20% 6,102 F2Pool 0.60% 3,051 HHTT 0.60% 3,051 OzCoin 0.60% 3,051