Bip39 Mnemonic. 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 along with your seed phrase to encrypt and safeguard your wallet. https://bookmarkstown.com/story19829134/bip39-passphrase-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean