Bitcoin nears $10,000 mark as hedge funds plough in Cryptocurrency now worth seven times an ounce of gold, with market cap higher than IBM, McDonald’s or Disney – but analysts warn of ‘a huge bubble’ Bitcoin mining consumes more electricity than Ireland Bitcoin has hit a record high after passing $9,000 (£6,700) and is close to reaching five figures as investors in the cryptocurrency shrug off warnings of a bubble. The cryptocurrency rose to an all-time high of $9,721 on…