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 in your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, However, is https://210list.com/story19497174/bip39-wallet-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained