Bip39-Standalone. Is passphrase similar to 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 safety in your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, on https://thebookmarkking.com/story19038686/bip-39-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained