Bitcoin Mining Distribution Block: 201721 04 Oct 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 4,665 Unknown-NO 33.83% 1,580 Unknown-YES 25.56% 1,192 BTC Guild-YES 13.53% 628 SlushPool-YES 9.77% 458 BitMinter-YES 8.27% 387 OzCoin-YES 3.76% 174 SlushPool-NO 2.26% 105 BTC Guild-NO 2.26% 103 CoinLab-NO 0.75% 35