now i am worried about mine [amount removed] in my account 
First rule of Bitcoin: you don't talk about how many bitcoins you have.
Is it? I thought first rule of Bitcoin if you dont give your private key to noone.
OK.
First rule: You don't give your private key to anyone.
Second rule: You don't talk about how many bitcoins you have.
Third: hodl.
Third is: never leave your bitcoins on any exchange.
Hodl is fourth.