The thing we must understand that investment is always at risk including cryptocurrencies, moreover we know that cryptocurrencies are investments like roller coasters so that do not ever invest with money in large sizes, better relaxed and investing only money we usually consider lost.
That's right, whether it's bitcoin or top altcoins there is no 100% guarantee of safety. Cryptocurrency is considered the riskiest investment, so absolutely do not borrow to invest, only invest with money that you can lose. Always have backup savings and don't put all your assets in crypto.