Bip39 Generator. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security to your wallet that works alongside your seed phrase to encrypt and secure your wallet. A PIN, on https://brightbookmarks.com/story19114242/bip-39-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39