Bip39 Npm. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection to the wallet that actually works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, https://companyspage.com/story4606820/bip39-wallets-https-linktr-ee-bip39-an-unbiased-view-of-bip-39