Bip39 Github. The passphrase is not selected with the predefined list of 2048 words – it may be any word or phrase you end up picking. Without a passphrase, your funds are only as secure as your seed phrase. By adding a passphrase, you create an additional layer of stability https://seolistlinks.com/story20852448/bip39-wallets-https-linktr-ee-bip39-bip-39-no-further-a-mystery