Bip39 Generator. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection to the wallet that works together with your seed phrase to encrypt and safeguard your wallet. https://bookmarklethq.com/story18720536/bip39-passphrase-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39