France has officially approved the sale of a majority stake in Exaion, a key data center subsidiary of state-owned energy giant Electricité de France (EDF), to U.S.-based bitcoin miner MARA Holdings Inc. The $168 million deal, first announced in August 2025, concludes after months of scrutiny tied to national security and digital sovereignty concerns. MARA Holdings, headquartered in Florida and recognized as one of the largest publicly traded bitcoin mining companies, will acquire a 64% stake in Exaion.