Bitcoin’s mining difficulty level rose 7.56% on Friday, hitting an all-time high along with the network’s hash rate, indicating that miners are using more processing power. The difficulty level changes about every two weeks and is a measure of how much computing power it takes to mine bitcoin blocks to get a reward in bitcoins.

The mining difficulty rate was 46.84 trillion at a block height of 782,208 in Friday’s adjustment, after rising 1.16% in the previous adjustment on March 11.

Bitcoin’s hash rate, a measure of the computing power used by miners, was about 395.15 exhashes per second on Thursday, hitting an all-time high.

Bitcoin’s price rose 3 percent in the past 24 hours to $28,197 around noon in Hong Kong, up 9.31 percent over the past seven days. The largest coin by market capitalization traded at $20,792 on March 11.

Bitcoin’s mining yield was $0.0861 per terahash per second in the last 24 hours, up from $0.19 a year ago.