Bip39 Word List Numbers. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of security to your wallet that actually works together with your seed phrase to encrypt and defend your wallet. https://madesocials.com/story4301290/bip39-word-list-pdf-https-linktr-ee-bip39-about-ian-coleman-bip39