Bip39 Word List Numbers. Is passphrase the same as PIN? No, a passphrase just isn't 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 protect your wallet. https://bookmarkunit.com/story18693291/bip39-passphrase-https-linktr-ee-bip39-not-known-details-about-bip39-wallets