Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection on your wallet that actually works along with your seed phrase to encrypt and defend your wallet. https://iwanttobookmark.com/story19232280/bip39-words-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list