Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is not the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works together with your seed phrase to encrypt and secure your wallet. https://listfav.com/story20207116/ian-coleman-bip39-https-linktr-ee-bip39-not-known-facts-about-bip39