Bip39 Mnemonic Generator. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works along with your seed phrase to encrypt and guard your wallet. A PIN, https://dmozbookmark.com/story19357446/bip39-wallets-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work