Bip39 Github. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works together with your seed phrase to encrypt and protect your wallet. https://bookmarkspiral.com/story19488746/bip39-wallets-https-linktr-ee-bip39-the-bip39-wallet-diaries