Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of stability to the wallet that works along with your seed phrase to encrypt and secure your wallet. A https://bookmarklogin.com/story18756197/bip39-mnemonic-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39