Bitcoin Mining Distribution Block: 277812 31 Dec 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 2,355,501 GHash.IO 24.86% 585,471 BTC Guild 23.70% 558,240 Eligius 13.87% 326,774 Unknown 12.72% 299,543 F2Pool 8.67% 204,234 SlushPool 6.36% 149,771 BitMinter 4.05% 95,309 EclipseMC 2.89% 68,078 Polmine 1.16% 27,231 ASICMiner 0.58% 13,615 Bitparking 0.58% 13,615 CloudHashing 0.58% 13,615