Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety towards your wallet that actually works alongside your seed phrase to encrypt and protect your wallet. A https://cruxbookmarks.com/story19629080/bip39-passphrase-https-linktr-ee-bip39-not-known-details-about-bip39-wallets