Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of security towards your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, https://socialrus.com/story17997004/bip39-generator-https-linktr-ee-bip39-bip-39-no-further-a-mystery