Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of stability in your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://tvsocialnews.com/story4350187/bip39-word-list-pdf-https-linktr-ee-bip39-about-ian-coleman-bip39