Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security to your wallet that actually works along with your seed phrase to encrypt and secure your wallet. A PIN, https://socialwebconsult.com/story4156047/bip39-wallets-https-linktr-ee-bip39-bip39-generator-an-overview