Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection for your wallet that works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://bookmarkahref.com/story18790757/bip39-wallet-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained