Bip39 Standard. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security on your wallet that actually works together with your seed phrase to encrypt and guard your wallet. https://bookmarkusers.com/story18653101/bip39-generator-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39