Bip39 Github. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of stability on your wallet that actually works along with your seed phrase to encrypt and defend your wallet. https://bookmarkindexing.com/story19012717/bip39-words-https-linktr-ee-bip39-bip39-words-fundamentals-explained