Bip39 Standard. Also, BIP39 defines the passphrase option, that provides a average number of additive protection in the event your seed phrase is stolen or normally accidentally exposed. Nevertheless, it also adds some possibility, so it is usually recommended for more experienced users. For those who input the “wrong” passphrase, https://directory-nation.com/listings13379890/bip39-mnemonic-code-converter-tool-https-linktr-ee-bip39-bip39-github-no-further-a-mystery