The primary tool that will help you as beginner or venturing into crypto is not all about wallet, but information, just as many has said cex wallet or storing your asset in cex is very wrong when your full of information you don't need to even think twice because if the danger in keeping asset in cex, the self custodian wallet has always been the best for crypto just that as beginner you must have the information and what it take to keep the details because any mistake you might lose all you stored in it.