Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security on your wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. https://bouchesocial.com/story20990639/bip39-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting