Bip39 Word List. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety in your wallet that actually works together with your seed phrase to encrypt and protect your wallet. https://setbookmarks.com/story19646299/bip39-passphrase-https-linktr-ee-bip39-a-review-of-bip39-generator