I don't believe the safety guarantee on all exchanges is 100% even if they tell you how secure the exchange is, don't keep your assets there. Well, at least once not for long. Regardless of how protected they claim to be? As long as there are many users on that exchange, they will forever be the target of hackers, who will continue to try to do what they can to steal all assets from users and a security without No exchanges are now 100% guaranteed, trust me, Coinbase is no exception. The best thing is that the exchange from Coinbase they will have a good measure that is to refund the money that the user has stolen.