Bip39-Standalone. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works along with your seed phrase to encrypt and secure your wallet. A PIN, Then again, https://keybookmarks.com/story19638521/bip39-wallet-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-generator