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Don't know how much value you save in those custodial services. You have to be careful, what you think is good enough can turn against you. They usually make you comfortable with small deposits, then confiscate your funds once you start making big deposits. Of course with those security and insurance offerings, you have to abide by their rules of the game.
In my opinion, your principle is not the meaning of freedom (decentralization) that crypto was introduced for. It is no different from adopting a government currency,