Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of stability to the wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, https://agendabookmarks.com/story19467625/bip39-https-linktr-ee-bip39-the-fact-about-bip39-words-that-no-one-is-suggesting