Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, from 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 secure your wallet. https://bookmarkstown.com/story19553645/bip39-wallets-https-linktr-ee-bip39-bip39-word-list-pdf-no-further-a-mystery