Bip39 Npm. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of security on your wallet that works alongside your seed phrase to encrypt and protect your wallet. A PIN, on https://linkingbookmark.com/story19227596/ian-coleman-bip39-https-linktr-ee-bip39-the-best-side-of-bip39