Bitcoin Mining Distribution Block: 254081 25 Aug 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 118,793 BTC Guild-YES 28.42% 33,625 GHash.IO-YES 15.30% 17,641 50BTC-YES 13.66% 16,225 Unknown-NO 11.48% 13,705 SlushPool-NO 6.01% 7,491 EclipseMC-YES 5.46% 6,214 Eligius-YES 4.92% 5,972 ASICMiner-NO 4.37% 5,212 BitMinter-YES 2.73% 3,452 F2Pool-YES 2.73% 3,452 OzCoin-NO 1.64% 1,933 Bitparking-YES 1.64% 1,933 HHTT-NO 1.09% 1,346 Polmine-NO 0.55% 586