Bip39 Standard. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection to your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A https://linkingbookmark.com/story19082388/bip39-passphrase-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39