Bip39 Passphrase. You'd probably then do a essential recovery which has a command much like the one beneath. (This command takes advantage of a sample wallet file bunlded with BTCRecover) At its core, a BIP39 passphrase modifies the cryptographic means of wallet technology. Here’s a complex take a look at https://e-bookmarks.com/story4636846/bip39-mnemonic-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic