Bip39 Mnemonic 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 actually works together with your seed phrase to encrypt and secure your wallet. https://socialevity.com/story20611564/bip39-wallets-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic