Bitcoin Mining Distribution Block: 270685 21 Nov 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 1,041,724 BTC Guild 27.04% 280,434 GHash.IO 24.55% 255,607 Eligius 12.57% 130,514 Unknown 12.31% 128,714 BitMinter 6.64% 69,456 SlushPool 6.26% 65,494 EclipseMC 2.79% 29,003 CloudHashing 2.50% 26,780 F2Pool 1.86% 19,471 ASICMiner 1.31% 13,738 HHTT 0.85% 8,850 Bitparking 0.34% 3,621 Polmine 0.34% 3,540 OzCoin 0.30% 3,036 TripleMining 0.13% 1,347 BTCDig 0.13% 1,266 50BTC 0.08% 844