Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of safety to your wallet that works along with your seed phrase to encrypt and guard your wallet. https://dmozbookmark.com/story19405844/bip-39-https-linktr-ee-bip39-5-essential-elements-for-bip-39