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 safety to your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, Then again, https://esocialmall.com/story4123208/bip39-wallet-https-linktr-ee-bip39-bip39-generator-an-overview