Bitcoin miner MARA to acquire majority stake in Exaion in AI, HPC play MARA Holding’s expansion into AI and high-performance computing is expected to close in Q4, and comes amid a steep rise in Bitcoin mining difficulty. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ August 11, 2025 11:21 pm