Several former cryptocurrency mining companies are transitioning to AI infrastructure to achieve higher returns. HIVE Digital Technologies is expanding its AI operations with Nvidia chips, aiming to capitalize on the growing demand for AI processing power. Core Scientific is also shifting focus to AI data centers and is involved in a $9 billion acquisition deal with CoreWeave, highlighting the strategic move towards AI. Meanwhile, IREN Limited has experienced significant growth by pivoting to AI-ready data centers, with a substantial GPU investment projected to increase its annualized revenue to $500 million.