Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security for your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, on the https://social-galaxy.com/story4936498/bip39-passphrase-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work