Bip39 Npm. Is passphrase the same as PIN? No, a passphrase will not be the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of security in your wallet that actually works alongside your seed phrase to encrypt and protect your wallet. A https://socialicus.com/story4768144/bip39-passphrase-https-linktr-ee-bip39-not-known-facts-about-bip39