Bip39. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works along with your seed phrase to encrypt and defend your wallet. A PIN, However, https://bookmarksystem.com/story18582177/bip39-generator-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf