Bip39 Mnemonic Generator. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety in your wallet that actually works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, on https://thebookmarkage.com/story19608911/bip39-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39