Bip39 Github. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. https://dirstop.com/story21872501/bip39-wallets-https-linktr-ee-bip39-the-single-best-strategy-to-use-for-bip39-wallets