Bip39 Npm. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of stability to your wallet that works along with your seed phrase to encrypt and guard your wallet. A PIN, On https://letsbookmarkit.com/story19100167/bip39-word-list-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf