January 23, 2021. Difficulty rose by +1.05% to 20.82T from 20.61T.
Change
+1.05%
New difficulty
20.82T
Period length
13.9 days
Network hashrate then (7-day)
144.7 EH/s
Bitcoin price then
$33,080
Hashprice then
$230/PH/day
The 2,016 blocks before it took 13.9 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 1.05%: an ordinary adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.