Cipher Mining: 251 BTC Mined in September, Bitcoin Holdings Reach 1,500

According to ChainCatcher, market sources report that Nasdaq-listed bitcoin mining company Cipher Mining has released its unaudited production and operations update for September 2025. The report disclosed that the mining output for September was 251 BTC, but 158 BTC were sold. By the end of September, the company held approximately 1,500 bitcoins and had deployed about 114,000 mining devices.