Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of protection for your wallet that works along with your seed phrase to encrypt and defend your wallet. A https://guideyoursocial.com/story4115944/bip39-passphrase-https-linktr-ee-bip39-bip39-words-an-overview