Bitcoin Mining Distribution Block: 272031 29 Nov 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 1,257,711 GHash.IO 27.62% 347,434 BTC Guild 23.76% 298,793 Unknown 12.15% 152,870 SlushPool 8.84% 111,178 Eligius 7.73% 97,281 BitMinter 7.18% 90,332 CloudHashing 4.97% 62,538 EclipseMC 2.76% 34,743 F2Pool 2.76% 34,743 ASICMiner 1.10% 13,897 Bitparking 0.55% 6,948 OzCoin 0.55% 6,948