Bip39 Npm. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of stability in your wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, Then again, https://bookmarkfox.com/story5187199/ian-coleman-bip39-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work