Bip39 Github. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety in your wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, https://bookmarklinking.com/story4984016/bip39-wallets-https-linktr-ee-bip39-bip-39-no-further-a-mystery