February 6, 2018. Difficulty rose by +10.43% to 2.87T from 2.60T.
Change
+10.43%
New difficulty
2.87T
Period length
12.7 days
Network hashrate then (7-day)
21.0 EH/s
Bitcoin price then
$8,213
Hashprice then
$787/PH/day
The 2,016 blocks before it took 12.7 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 10.43%: one of the largest adjustments on record. For every machine on the network that is a pay cut of the same size until the next retarget.