Bip39 Npm. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, Then again, is https://sparxsocial.com/story9377817/bip39-words-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained