Bip39 Passphrase Generator. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety in your wallet that actually works together with your seed phrase to encrypt and protect your wallet. https://mixbookmark.com/story4179217/bip39-list-https-linktr-ee-bip39-bip39-word-list-pdf-no-further-a-mystery