Bip39 Standard. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of stability to your wallet that actually works together with your seed phrase to encrypt and secure your wallet. https://macrobookmarks.com/story18914802/bip39-list-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained