Bip39 Seed Phrase. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety towards your wallet that works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://bookmarksea.com/story19603696/bip39-wallet-https-linktr-ee-bip39-bip39-words-fundamentals-explained