Bitcoin Mining Distribution Block: 213770 27 Dec 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 5,636 Unknown 59.09% 3,327 SlushPool 11.04% 636 BTC Guild 10.39% 580 EclipseMC 9.09% 511 BitMinter 5.19% 287 OzCoin 3.25% 180 CoinLab 1.95% 111