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 24.21% 16,561 50BTC 20.00% 13,680 Unknown 16.84% 11,520 SlushPool 13.16% 9,000 EclipseMC 6.84% 4,680 ASICMiner 5.26% 3,600 BitMinter 2.63% 1,800 Eligius 2.63% 1,800 F2Pool 2.63% 1,800 OzCoin 1.58% 1,080 Bitparking 1.05% 720 CoinLab 1.05% 720 Polmine 1.05% 720 HHTT 0.53% 360 TripleMining 0.53% 360