Bitcoin Mining Distribution Block: 180687 19 May 2012 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 2,886 Unknown-NO 49.66% 1,433 Unknown-YES 14.48% 418 BTC Guild-YES 12.41% 358 SlushPool-YES 8.97% 258 Eligius-YES 4.83% 139 OzCoin-YES 4.14% 119 BitMinter-YES 2.07% 59 TripleMining-YES 2.07% 59 MaxBTC-YES 1.38% 39