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.
If you have a proper knowledge here in cryptocurrency then I must say that your money is safe and as long as you invest in some legitimate coins in the market because some crypto coins are just scams.
And also if you can somehow outsmart the hackers that hack exchanges and wallets, then also you increase your chances of not losing your life's savings invested in crypto.