BlockBeats News, January 30th, US stock-listed Ethereum treasury company Bit Digital (BTBT) announced plans to completely cease Bitcoin mining operations and instead focus on Ethereum infrastructure, staking, and high-performance computing strategy.Its CEO Sam Tabar stated in a letter to shareholders that mining is no longer the most capital-efficient option, and the company will concentrate its digital asset exposure on Ethereum to achieve sustainable, liquidable, compounding long-term growth.