Bip39 Npm. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security in your wallet that actually works along with your seed phrase to encrypt and secure your wallet. A PIN, https://listbell.com/story9292358/bip39-https-linktr-ee-bip39-the-best-side-of-bip39