Bip39 Npm. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, on https://ztndz.com/story21740570/bip39-list-https-linktr-ee-bip39-bip39-words-an-overview