Bip39-Standalone. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, while in 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://get-social-now.com/story4136161/bip39-wallet-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained