Bip39 Wallet. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection for your wallet that actually works along with your seed phrase to encrypt and defend your wallet. https://socialbuzzfeed.com/story5067992/bip39-generator-https-linktr-ee-bip39-not-known-facts-about-bip39