@mms1111 They are encrypted using your OS login information. If you formatted the system, means it would be a new User and password. At which point, means would be encrypted without anyone owning the key for decryption. So to my knowledge, you’d not be able to recover it. That said, you can check out Where Does Brave Store Passwords? to see if that might help provide you some answers.
However, I don’t think it works that way anymore. As you can see based on response from Support on a different topic:
As always, security has gotten tougher. Overall, you’re kind of out of luck if you didn’t Export passwords to a file or don’t have the information synced with another device.