That is why it is necessary to check the reputation of exchange, its luquidity, how many good projects on exchange.
it is up to now, to act exactly the same way. this is important for everyone, who wants to use it. there is a large number of exchanges. Not all of them are reliable and safe. you are right to the account, that everything needs to be scrutinized
The choice of right exchange is very important. For every exchange it is important to have a good reputation, security and liquidity.