Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of security towards your wallet that works together with your seed phrase to encrypt and protect your wallet. A PIN, https://pr7bookmark.com/story19609245/bip-39-https-linktr-ee-bip39-about-ian-coleman-bip39