Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of safety to your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, https://directmysocial.com/story3689212/bip39-mnemonic-https-linktr-ee-bip39-not-known-facts-about-bip39