Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of safety to your wallet that actually works along with your seed phrase to encrypt and secure your wallet. https://bookmarkinglive.com/story20402710/bip39-passphrase-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting