Source: Adobe/4K_HeavenIt finally happened on December 16th, 2020. The most popular cryptocurrency, bitcoin (BTC) just revisited the USD 20,000 level on multiple exchanges for the first time since December 17th, 2017, when it touched USD 20,089.After crashing to almost USD 3,000 in December 2018, BTC started its series of hitting all-time highs (ATH) only in November this year, almost touching