At one time I used to keep all the passwords the same thinking that I would forget them. But later I realized that this was not right. Since then I use different passwords and write down the important ones. The most important thing backup is to write them down. I think using different passwords and writing them down is the safest way.

Here I have a question: I heard a few days ago that if you set 2FA, it can also be recovered. 2FA is a very important tool for all things, if it can be taken away, then its effectiveness will not be there. Although I don't know if it can be taken away, can it really be taken away?