The most popular cryptocurrency, bitcoin (BTC), almost touched USD 40,000 today as Tesla's Elon Musk send a positive message, while activation of an important Bitcoin upgrade was confirmed.
Monday morning (UTC time), BTC surpassed USD 39,800 before correcting lower. At 03:31 UTC, it trades at USD 38,952 and is up by 11% in a day and almost 9% in a week, trimming its monthly