Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of security in your wallet that works along with your seed phrase to encrypt and guard your wallet. A PIN, https://bookmarksusa.com/story18669376/bip39-wallets-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39