Bitcoin miner Mawson Infrastructure Group (NASDAQ: MIGI) adopted a limited-duration stockholder rights agreement on Monday to counter a takeover attempt by Endeavor Blockchain. The board approved the measure in a bid to prevent the activist group from seizing control without paying a control premium to all shareholders. The plan triggers if an entity acquires beneficial ownership of 20% or more of the outstanding common stock. The provision activates immediately if a group already exceeding this limit a ...