Bip39 Mnemonic Code Converter Tool. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of security to the wallet that works together with your seed phrase to encrypt and secure your wallet. https://classifylist.com/story20635497/bip39-words-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained