Bip39 Vs Slip39. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security for your wallet that actually works along with your seed phrase to encrypt and guard your wallet. https://tetrabookmarks.com/story19495231/bip39-words-https-linktr-ee-bip39-about-ian-coleman-bip39