Bitcoin Mining Distribution Block: 237425 23 May 2013 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 20,111 BTC Guild 21.79% 4,383 50BTC 19.23% 3,867 BitMinter 12.82% 2,578 SlushPool 11.54% 2,320 Unknown 11.54% 2,320 ASICMiner 10.90% 2,191 F2Pool 3.85% 773 Eligius 3.21% 644 Bitparking 1.92% 386 EclipseMC 1.92% 386 OzCoin 0.64% 128 Polmine 0.64% 128