Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of stability towards your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, https://thesocialcircles.com/story4399924/bip39-words-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase