Just as it had been popularly spoken, not your keys not your coins, infact using a cryptocurrency centralized exchanges could be as worse than using banks sometimes because you can't have a fiat account without having access to your private keys which are the passwords, why should we now think of going centralized in a decentralized arena with bitcoin, this means we undermine the capacity of the bitcoin network under the power of centralized exchanges to have more superior access and use of authority over our coins, it's either you're decentralized or colonized with your funds and the decision lies in your hands on which means to choose in savings your coins.