safety is key and it's basic from the exchange site you choose to trade to the type of coins you want to trade, down to how you withdraw but the greatest security anyone can engage in is to ensure not to put all of your resources on an online exchange the moment you have done that , you have compromised on any level of security...It is great might to believe there is a way to trade without making losses no trader can do that every traders takes some loss from time to time. no one here even the legendary members can claim that the only difference between traders is that some make more good trades than bad trades mistakes of analysis is there for everyone to make no perfect trader...