Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of protection for your wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, Then https://bookmarklethq.com/story18739106/bip39-words-https-linktr-ee-bip39-not-known-facts-about-bip39