FTX is having a good trading volume, one of the highest in the world, but this still remain that FTX is a centralized exchange, you do not have your own private key, that ya what should not be forgotten and the reason to avoid using such exchange for holding, but can be good for buying and trading and nothing more. Do not be deceived by no kyc exchanges that are centralized, thy have the complete control, do not be surprised if such exchange sieze your cryptocurrencies as mandate you to provide you personal identity line drivers license or national identity card.