Cipher Mining Reports September Bitcoin Production and Sales

Cipher Mining, a publicly traded company listed on NASDAQ under the ticker CIFR, has released its unaudited operational data for September 2025. The company mined 251 bitcoins during the month and sold 158 of them, resulting in a total bitcoin holding of 1,500. Cipher Mining deployed 114,000 mining machines throughout September, achieving a hash rate of 23.6 EH/s and an energy efficiency ratio of 16.8 J/TH by the end of the month.