Bip39 Word List. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security for your wallet that actually works together with your seed phrase to encrypt and shield your wallet. https://bookmarkusers.com/story19286280/bip39-https-linktr-ee-bip39-5-essential-elements-for-bip-39