Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of stability towards your wallet that actually works together with your seed phrase to encrypt and defend your wallet. A PIN, https://socialbaskets.com/story5170892/bip39-https-linktr-ee-bip39-about-ian-coleman-bip39