Bip39 Python. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of security to your wallet that actually works along with your seed phrase to encrypt and secure your wallet. https://wavesocialmedia.com/story5228635/ian-coleman-bip39-https-linktr-ee-bip39-top-guidelines-of-bip39-words