Bip39 Passphrase Generator. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works along with your seed phrase to encrypt and protect your wallet. https://brightbookmarks.com/story18977683/bip39-wallet-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting