Bitcoin crossed the psychologically important $45,000 mark on the first day of 2024. The apex cryptocurrency saw an impressive 5.7% gain over 24 hours at the time of publishing. Ethereum and Dogecoin also saw gains of over 3% respectively in the same time frame. King Crypto’s move is significant since it is the first time since April 2022 that BTC has eclipsed the $45,000 mark. The buzz surrounding the notification of spot Bitcoin ETFs fueled the rally as it did at the end of 2023. Reuters reported over the New Year weekend that asset managers, who are vying for approval of the ETFs, could be …