Bip39 Mnemonic Code Converter Tool. 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 towards your wallet that works along with your seed phrase to encrypt and secure your wallet. https://eternalbookmarks.com/story18915967/bip39-word-list-pdf-https-linktr-ee-bip39-bip39-words-an-overview