Bitcoin Mining Distribution Block: 249525 01 Aug 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 68,404 BTC Guild-YES 24.21% 16,561 50BTC-YES 20.00% 13,680 Unknown-NO 16.84% 11,520 SlushPool-NO 13.16% 9,000 EclipseMC-YES 6.84% 4,680 ASICMiner-NO 5.26% 3,600 BitMinter-YES 2.63% 1,800 Eligius-YES 2.63% 1,800 F2Pool-YES 2.63% 1,800 OzCoin-NO 1.58% 1,080 CoinLab-NO 1.05% 720 Bitparking-YES 1.05% 720 Polmine-YES 1.05% 720 TripleMining-YES 0.53% 360 HHTT-NO 0.53% 360