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-NO 33.12% 1,861 Unknown-YES 25.97% 1,466 SlushPool-NO 9.09% 520 EclipseMC-YES 9.09% 511 BTC Guild-NO 5.84% 331 BitMinter-YES 5.19% 287 BTC Guild-YES 4.55% 249 SlushPool-YES 1.95% 116 CoinLab-NO 1.95% 111 OzCoin-NO 1.95% 107 OzCoin-YES 1.30% 73