Marathon Digital (NASDAQ:MARA), one of the largest bitcoin (BTC-USD) miners, is open to being acquired, but "it's got to be the right price," CEO Fred Thiel said in an interview at last week's Empower industry conference that Bloomberg News published Monday. "If somebody offers us a huge premium over our market cap, I have to take it under consideration and that may be the right thing to do for the investors," he said. The market for acquisitions in the crypto space may be triggered by energy sector companies, which could get higher margins by mining bitcoin (BTC-USD) themselves rather than supply power and infrastructure to miners. "A generating company can sell their electricity to themselves at a lower cost, so they would be the most profitable bitcoin (BTC-USD) miner over time," Thiel said. Still, power generators would have to make significant investments in upgrading power grids and in crypto mining