Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of safety on your wallet that actually works alongside your seed phrase to encrypt and protect your wallet. A PIN, However, https://wiishlist.com/story20153321/bip39-wallets-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work