MARA Expands Into AI Infrastructure With Majority Stake in Exaion

Bitcoin mining company MARA Holdings has finalized the acquisition of a 64% stake in French computing infrastructure operator Exaion, marking a significant expansion into artificial intelligence and cloud services. The agreement, initially reached in August 2025 with EDF Pulse Ventures, was completed after securing regulatory approvals.

Under the new structure, French energy group EDF will remain a minority shareholder and customer. Governance changes will include board representation from MARA, EDF Pulse Ventures and NJJ Capital, the investment firm of telecom entrepreneur Xavier Niel.

Bitcoin Miners Pivot to AI as Mining Economics Tighten

The move reflects a broader industry shift as miners diversify revenue streams. Following the 2024 Bitcoin halving and rising network difficulty, margins have tightened across the sector. On Friday, Bitcoin mining difficulty climbed roughly 15% to 144.4 trillion, increasing operational pressure.

Several firms, including HIVE Digital Technologies and CoreWeave, have expanded into AI infrastructure to stabilize income. By leveraging existing energy capacity and data center expertise, mining operators are positioning themselves within the rapidly growing high-performance computing market.

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