Hashrate Distribution An estimation of hashrate distribution amongst the largest mining pools

The graph below shows the market share of the most popular bitcoin mining pools. It should only be used as a rough estimate and for various reasons will not be 100% accurate. A large portion of Unknown blocks does not mean an attack on the network, it simply means we have been unable to determine the origin.

24 hours - 48 hours - 4 Days

Known Blocks.

Relayed By count
F2Pool 66
BitFury 60
AntPool 49
BTCChina Pool 41
BW.COM 30
Slush 23
KnCMiner 14
21 Inc. 14
Eligius 11
BitClub Network 4
P2Pool 2
GHash.IO 1
BitMinter 1

Unknown Blocks.

Relayed By count
66.194.38.254 2
66.194.38.253 1
23.254.98.64 1