Bitcoin has seen a resurgence in 2019 with the value of the digital currency skyrocketing to over $8,000; the rally has allowed the value to more than double since the start of the year; the price is still down from all time highs of $20,000 in late 2017 but shows there is still appetite in the market; there are a number of theories as to why the price is going up, from Chinese investors looking to diversify to big whale investors squeezing short sellers; there has also been some moves by traditional financial firms that are giving more credence to the currency. Source.