Bitcoin galloped past $45,000 on Tuesday, for the first time since April 2022, as the world’s biggest cryptocurrency started the new year with a bang, buoyed by optimism around the possible approval of exchange-traded spot bitcoin funds. Bitcoin touched a 21-month peak of $45,922, having gained 156 per cent last year in its strongest yearly performance since 2020. It was last up 3.1pc at $45,50