Bip39 Npm. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security for your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, Then again, https://ariabookmarks.com/story4627142/bip39-list-https-linktr-ee-bip39-a-review-of-bip39-generator