Cipher Mining (CIFR) Skyrockets on Google-Backed AI Deal & Bitcoin Boom – What to Know Now
The Bottom Line Cipher Mining Inc. has rapidly evolved from a mid-tier Bitcoin miner into a headline-grabbing “Bitcoin + AI” infrastructure play. As of September 25, 2025, CIFR stock is riding high on a potent mix of surging Bitcoin prices, record hash power growth, and a landmark AI hosting deal that brings in Google as a stakeholder. The company is aggressively investing in expansion – funded by a massive zero-interest debt raise – to seize the moment. While risks remain (crypto price volatility, execution challenges on huge projects, and a stock price that has outrun some fundamentals), the market’s enthusiasm