Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works along with your seed phrase to encrypt and protect your wallet. https://linkingbookmark.com/story18578236/ian-coleman-bip39-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting