Bip39 Npm. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection for your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A PIN, On https://socialrator.com/story9353443/bip39-wallet-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work