In addition, BIP39 defines the passphrase choice, that adds a reasonable amount of additive protection in case your seed phrase is stolen or in any other case accidentally exposed. Having said that, What's more, it adds some chance, so it is recommended for more skilled customers. Using BIP44 with BIP32 https://sociallawy.com/story9149355/the-ultimate-guide-to-bip39-seed-phrase-github