Bip39 Npm. 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 security towards your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, However, https://highkeysocial.com/story5021186/bip39-wallets-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy