Bip39. Also, BIP39 defines the passphrase choice, that provides a moderate volume of additive security in the event that your seed phrase is stolen or in any other case accidentally uncovered. Even so, it also adds some threat, so it is usually recommended for more skilled customers. BIP39 Passphrase Wallet https://directorydepo.com/listings565137/bip39-passphrase-https-linktr-ee-bip39-5-simple-techniques-for-bip39-mnemonic