Source: Cointelegraph.com NewsExpanding the number of Bitcoin machines or facilities “makes no sense” if profitability margins don’t increase, TeraWulf’s Kerri Langlais stressed.Read MoreTeraWulf, Merger, Acquisition, M&A, Riot Platforms, Bitfarms, Kerri Langlais, Profit, Profit Margins, EBITDA, Cash Flow, AI, High Performance Computing