Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works together with your seed phrase to encrypt and defend your wallet. https://bookmark-dofollow.com/story22193711/bip39-word-list-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work