Bip39 Passphrase. The password is often created down together with the mnemonic phrase, but It will be more practical to keep in mind it, so that a very two-issue recovery system might be attained: for unblocking Bitcoins, you will want “what you have got” as well as “what you understand”. https://bookmarksoflife.com/story4719304/bip39-https-linktr-ee-bip39-the-best-side-of-bip39-mnemonic