Bitcoin Mining Distribution Block: 398152 13 Feb 2016 Hashrate (in Difficulty units per second; 1 Difficulty unit == 4 GiHash): Total Chain 100.00% 285,068,798 F2Pool 25.15% 71,683,966 AntPool 23.39% 66,682,759 BTCC 14.04% 40,009,655 BitFury 11.11% 31,674,310 BWPool 8.77% 25,006,034 KanoPool 4.68% 13,336,551 KnCMiner 4.09% 11,669,482 BitClub 1.75% 5,001,206 SlushPool 1.75% 5,001,206 21 Inc. 1.17% 3,334,137 Eligius 1.17% 3,334,137 GHash.IO 1.17% 3,334,137 BitMinter 0.58% 1,667,068 Solo CK 0.58% 1,667,068 Telco 214 0.58% 1,667,068