Bip39 Words. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection for your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://socialbraintech.com/story4478515/bip39-words-https-linktr-ee-bip39-bip39-words-fundamentals-explained