It is not very hard to know about bitcoin as now bitcoin is very famous and popular that easily one can get information about bitcoin, rise and fall happens it is very important for them to know that holding can give them profit and help them to overcome the fear of lose,. Never think about selling at panic  as at the time of dump new investors mostly lose hope and sell at panic which gives them lose at the end so one should be pertinent to hold for long time if want to enter the world of crypto, but after that it is full of profit.