Bip39 Npm. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to the wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, https://sites2000.com/story8429303/bip39-passphrase-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39