Cipher Mining (NASDAQ: CIFR) reported in its August update that it mined 241 BTC in August 2025, a 12.6% increase month-over-month. The total includes an estimated 5 BTC from power sales and 20 BTC from joint-venture data centers, with the remaining 216 BTC mined at its wholly owned facilities.
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The company held 1,414 BTC at month-end, up 195 BTC from July’s 1,219 BTC, after selling 42 BTC in August as part of its treasury management process.
Cipher’s total deployed month-end operating hashrate climbed to 23.0 EH/s, up 12.7% from last month’s 20.4 EH/s, and the company’s fleet efficiency improved to 17.3 J/TH, a 10.1% improvement from July’s 19.2 J/TH.
Black Pearl Phase I accounted for approximately 39% of Cipher’s August’s bitcoin production. Cipher expects the site to reach ~10 EH/s by the end of the third quarter, bringing its total self-mining hashrate to ~23.5 EH/s as rig deliveries continue on schedule.
Read More: Cipher reports $44 million Q2 revenue, Black Pearl Phase I goes live
At time of publication, CIFR is up 1.3% during pre-market hours.
