Bip39-Standalone. The password could be written down together with the mnemonic phrase, but it would be more effective to keep in mind it, to make sure that a extremely two-factor Restoration program may be obtained: for unblocking Bitcoins, you will want “what you have” moreover “what you already know”. BIP44 https://seolistlinks.com/story20106610/bip39-wallets-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase