Multicurrency wallets today is an extra security, which today can seriously improve the security of your tokens in your wallets. I think that this is probably the most important today. But you must understand that 100% security is not real.
You must use an official wallet and it is not difficult to invest. so if you want to sell your coins that are in your wallet it's not complicated and can quickly sell them. and make sure the wallet is safe from hackers.