Bip39 Passphrase. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of security to your wallet that actually works alongside your seed phrase to encrypt and protect your wallet. A https://telebookmarks.com/story10090519/bip39-list-https-linktr-ee-bip39-about-ian-coleman-bip39