Cipher Mining Reports September Bitcoin Production and Sales

Cipher Mining, a company listed on NASDAQ under the symbol CIFR, recently released its unaudited operational report for September 2025. During the month, Cipher Mining mined 251 bitcoins, selling 158 of these. This resulted in their total bitcoin holdings reaching 1,500. They deployed 114,000 mining machines throughout the month, achieving a hash rate of 23.6 EH/s, and a final energy efficiency ratio of 16.8 J/TH by month’s end.