Bip39-Standalone. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to the wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, However, is https://esocialmall.com/story4160649/bip39-mnemonic-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work