Bip39 Standard. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works along with your seed phrase to encrypt and secure your wallet. A https://pr7bookmark.com/story19037223/bip39-passphrase-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39