Bip39 Wallet. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection for your wallet that actually works along with your seed phrase to encrypt and shield your wallet. https://health-lists.com/story19423084/bip39-words-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic