Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security in your wallet that actually works together with your seed phrase to encrypt and guard your wallet. https://210list.com/story19977630/bip39-wallets-https-linktr-ee-bip39-not-known-factual-statements-about-bip39-list