Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of safety to the wallet that actually works together with your seed phrase to encrypt and secure your wallet. A PIN, https://top100bookmark.com/story19186998/bip39-mnemonic-https-linktr-ee-bip39-not-known-details-about-bip39-list