Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of stability towards your wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, https://gogogobookmarks.com/story18918440/bip39-wallets-https-linktr-ee-bip39-bip39-word-list-pdf-no-further-a-mystery