Bitcoin Mining Distribution Block: 250808 08 Aug 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 80,314 BTC Guild 30.65% 24,612 50BTC 16.67% 13,385 Unknown 16.67% 13,385 ASICMiner 10.75% 8,635 EclipseMC 5.38% 4,317 SlushPool 5.38% 4,317 BitMinter 4.30% 3,454 Eligius 3.76% 3,022 F2Pool 2.15% 1,727 Bitparking 1.08% 863 HHTT 1.08% 863 OzCoin 1.08% 863 BTCDig 0.54% 431 Polmine 0.54% 431