Money is not at all safe in cryptocurrency, There are so many hackers around here who's only business is hack a wallet of bounty hunters to get money without doing anything.
there is nothing in this world that guarantees the safety of your money. what is needed is to be careful in everything. for example, if you want to save an altcoin in your wallet or trade on the exchange, then you should suggest that you should use the wallet and exchange that is the most widely used and quite famous in the crypto world.