Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of protection towards your wallet that works alongside your seed phrase to encrypt and protect your wallet. A PIN, On https://dirstop.com/story23085337/bip39-generator-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting