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 extra layer of security to your wallet that actually works along with your seed phrase to encrypt and protect your wallet. https://bookmarksoflife.com/story4504877/ian-coleman-bip39-https-linktr-ee-bip39-about-ian-coleman-bip39