Bip39 Github. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of stability for your wallet that works together with your seed phrase to encrypt and protect your wallet. A PIN, on https://tinybookmarks.com/story19558947/bip39-passphrase-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work