Bip39 Npm. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety to the wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A PIN, On https://hubwebsites.com/story19965880/bip39-https-linktr-ee-bip39-the-best-side-of-bip39