Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety to the wallet that works along with your seed phrase to encrypt and guard your wallet. A https://bookmarkyourpage.com/story5031574/bip39-generator-https-linktr-ee-bip39-bip39-words-fundamentals-explained