Bitfarms plans to acquire Stronghold Digital for $175 million in stock and assumed debt. Shares of Bitfarms fell 8%, while Stronghold's jumped 60% after the news broke. Riot Platforms, which owns 19% of Bitfarms, had previously made a takeover attempt in June. In a significant development in the cryptocurrency mining space, Bitfarms (BITF), a leading Bitcoin mining company, has announced its acquisition.