Bip39 Passphrase. Is passphrase similar to PIN? No, a passphrase is not the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works together with your seed phrase to encrypt and defend your wallet. A PIN, https://hylistings.com/story19771048/bip39-passphrase-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf