Bip39 Npm. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety to your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, https://letsbookmarkit.com/story18634907/bip-39-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting