Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of security on your wallet that works together with your seed phrase to encrypt and guard your wallet. A PIN, https://allkindsofsocial.com/story4712037/bip39-wallets-https-linktr-ee-bip39-not-known-details-about-bip39-wallets