Bitcoin’s mining difficulty saw a 10 percent upward adjustment today, causing hash rates to reach a historic all-time high of 17 trillion.

Changes in mining difficulty alter the environment for Bitcoin miners, causing many to either leave the business or purchase better rigs to continue.

The activity has set off a proprietary indicator used by an algorithmic trader; it’s signaling a bull market ahead.

Bitcoin difficulty at ATHs

Data on BTC.com shows Bitcoin hash rate difficulty has crossed 17 Trillion. The metric comes less than two months after Bitcoin’s halving event on May 12: