Bip39 Npm. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, https://admiralbookmarks.com/story18799842/bip39-passphrase-https-linktr-ee-bip39-a-review-of-bip39-words