Bip39 Npm. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection on your wallet that actually works along with your seed phrase to encrypt and secure your wallet. A PIN, https://bookmarkunit.com/story19405663/bip39-word-list-pdf-https-linktr-ee-bip39-5-essential-elements-for-bip-39