Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of protection to your wallet that actually works alongside your seed phrase to encrypt and secure your wallet. A PIN, Conversely, https://210list.com/story20128534/bip39-passphrase-https-linktr-ee-bip39-bip39-generator-an-overview