NEW YORK, Oct. 07, 2025 (GLOBE NEWSWIRE) -- Cipher Mining Inc. (NASDAQ:CIFR) (“Cipher” or the “Company”) today released its unaudited production and operations update for September 2025. Key Highlights Key MetricsSeptember 2025BTC Mined1251BTC Sold158BTC Held1,500Deployed Mining Rigs114,000Month End Operating Hashrate (EH/s)23.6Month End Fleet Efficiency (J/TH)16.8 1 Includes September power sales estimates (based on current meter data and nodal prices) equivalent to ~7 bitcoin (using month-end bitcoin pric ...