Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of security on your wallet that works along with your seed phrase to encrypt and shield your wallet. https://seolistlinks.com/story20085593/bip39-list-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work