Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of security towards your wallet that actually works along with your seed phrase to encrypt and guard your wallet. https://followbookmarks.com/story19112298/bip39-wallet-https-linktr-ee-bip39-the-best-side-of-bip39