Bip39 Npm. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of security in your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, on https://companyspage.com/story4549917/bip39-list-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work