I dont know why i should not keep my coins in exchanger if i am carefully then i think that nobody cant stole my money from my wallet so i keep my money in exchanger really long time and it is still there in exchanger.
well i guess you didnt learn about the bitfinex hack, it should be never done because no one knows what might happen
That's why i never keep my bitcoins on exchanger, it's really risky because they can take your coins or a hacker hack that exchanger sites like happened to bitfinex.
I think the store in exchange bitcoin is not a problem. as long as you keep in your bitcoin exchange site that is reliable. or maybe you could put it in the local exchange. where you know the complete address of the owner of the exchange sites