Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase is not the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of protection in your wallet that works along with your seed phrase to encrypt and protect your wallet. https://my-social-box.com/story4168290/bip39-passphrase-https-linktr-ee-bip39-top-guidelines-of-bip39-words