Bip39 Word List. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety on your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. https://webcastlist.com/story20166329/bip39-word-list-pdf-https-linktr-ee-bip39-bip39-words-fundamentals-explained