An ATH at 42000US Dollars BTC price increase: institutional investors like Paypal behind the scenes? Bitcoin and Paypal: A record volume of cryptocurrency Bitcoin: 20% rebound in one day Bitcoin, Cryptocurrency: 2017 Versus 2021 Bitcoin Bull market: A déjà vu in 2017? On Monday, January 11, 2021, after reaching its ATH or historical high of US$42,000, the price of Bitcoin dropped 20%, the crypto-sphere is worried and wonders whether to sell it all or it’s time to buy.