Bip39 Npm. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of security in your wallet that actually works together with your seed phrase to encrypt and protect your wallet. A https://social-lyft.com/story9271250/bip39-passphrase-https-linktr-ee-bip39-bip39-word-list-pdf-no-further-a-mystery