I have been holding some coins for the last Some month and now I start trading in those coins and now my amount is double...
It's hard to tell what is better, everything depend from very particular and personal situation.
I think that mix of both can give also good results which is holding and trading.
Many people steel need to learn trading and many do it but we can call it better gambling than trading.
It's so easy as to click few buttons and many will try despite zero knowledge, I know because I did it myself long time ago when Forex was a big thing online.
With totally zero knowledge started to trade Fiat pairs on Plus 500, luckily chosen good broker
Of course finished few days later blowing up my account totally to 0$