Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of security to your wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, https://bookmarkfriend.com/story19538497/bip-39-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy