Let's not say "nowhere" because that makes it sound like it would be impossible to make any type of money and I do not mean that, I think there are few places that are safe. But, the real trouble is you do not know which ones are the safe ones until it gets tested and if you are right then you will not have any trouble, if you are wrong then you will face some trouble.
Can't predicting which one secure place for saving fund or hold coins investment, learned with Luna coin crash and FTX collapse no any body know with top second standings CEX exchange will bankrupt. Actually have many placed are secure for holding or saving our cryptocurrency assets indeed like with CEX exchange place hold there or using Electrum or other kinds wallet for long term saving. Need to know about how many years operation with some CEX exchange if want hold assets there but most secure when saving in our wallet because has own self with controlling our assets without need third party as Exchange website.
For example not a lot of people knew that FTX would crash before it crashed, they learned it wasn't a safe place after that it was hacked or bankrupted or whatever happened to it. It doesn't even have to be companies, coins are the same way as well, look at what happened to Luna, do you really think that people knew what happened was a possibility before it happened?
Make its tragedy as experienced for the future be careful when holding assets on coins who has potential scam in the future, Luna seems have excited staking offer and seems the reason why this coins got scam.