Core Scientific plans to completely shut down its Bitcoin mining operations in the fourth quarter of 2026, transitioning entirely into an HPC hosting provider. Core Scientific, formerly the world's largest Bitcoin mining company, announced during its third-quarter earnings call that it is accelerating the phase-out of its proprietary Bitcoin mining operations. The number of active mining rigs on its network has dropped by nearly 50% compared to the end of 2025. The company plans to completely terminate its mining operations in the fourth quarter of 2026 and operate exclusively as a high-performance computing (HPC) hosting provider starting in 2027. The company's third-quarter hosting revenue reached $215 million (an increase of nearly 60% quarter-over-quarter), with its EBITDA margin expanding to 57%.