Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of security on your wallet that works alongside your seed phrase to encrypt and guard your wallet. A PIN, https://thefairlist.com/story8906115/bip39-list-https-linktr-ee-bip39-bip39-words-fundamentals-explained