Bip39. 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 towards your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://tornadosocial.com/story5101023/bip-39-https-linktr-ee-bip39-bip-39-no-further-a-mystery