Bitcoin, the world’s largest cryptocurrency, has climbed above $28,000 amidst growing investor confidence in the digital currency. The surge in Bitcoin’s value comes as investors rediscover its appeal as an alternative banking system, with the digital currency now accounting for 47.7% of the $1.17 trillion market. Bitcoin Rebounds After Brief Dip Bitcoin climbed past the $28,000 level over the weekend, a significant milestone for the digital currency. However, the cryptocurrency had pulled back slightly on…