The current difficulty is 45,379,147 TH. The next difficulty is estimated at 45,198,354 TH, a change of −0.40%. The difficulty changes globally every time a new block is mined, based on how fast blocks are being found.
Hash Price Report
The last block was at height 168,399. The current block reward is 131,600 SC. Based on this and on the current difficulty, miners are being paid 0.0028 SC/TH, which corresponds to about 0.24 SC/day per GH/s.