Bip39 Seed. The password could be created down along with the mnemonic phrase, but it would be more practical to keep in mind it, in order that a really two-variable Restoration process might be reached: for unblocking Bitcoins, you may need “what you have” as well as “what you understand”. https://redhotbookmarks.com/story19558064/bip39-word-list-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list