Before you invest in Bitcoin, you should know what the main goal of Bitcoin, and that is to protect privacy and security. And in this case, if you choose these exchangers to keep your funds, then the privacy of your personal data will not be protected here. Yes centralized exchangers also have reputable exchangers but your funds are never safe in centralized exchangers. Yes centralized exchangers also have reputable exchangers but your funds are never safe in centralized exchangers. You should go for non custodial wallet where you will get security of your funds that is more in case of Bitcoin.