I have heard about the passphrase but do not understand how it works. Please explain me!. Thanks!
This is the ultimate key that you will be using if you want to access your lost wallet. No one can access your wallet without your pass key it's like a password for your vault or pin number for your ATM account. You will know more about passphrase by reading this link.
https://www.ssh.com/ssh/passphraseThank you very much. I have tried to learn some knowledge about wallet passphrase. And I would like to ask further that there are currently online wallet sites that allow direct manipulation on wallet.dat?