Bitcoin has jumped past $30,000 as Elon Musk said Tesla is "most likely" to start accepting it as payment again. The electric carmaker said in May that it would no longer accept the cryptocurrency for purchases. It had cited concerns over the environmental impact of Bitcoin mining which uses huge amounts of electricity. That move came less than two months after the company began accepting the world's biggest digital currency as payment. "Most likely the answer is that Tesla would resume accepting Bitcoin," Mr Musk said during the B Word cryptocurrency conference. He also said that he had been investigating fossil ... (full story)