Bip39 Npm. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety to the wallet that actually works along with your seed phrase to encrypt and defend your wallet. A PIN, https://olivebookmarks.com/story19720267/bip-39-https-linktr-ee-bip39-a-review-of-bip39-generator