Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of security to your wallet that works together with your seed phrase to encrypt and defend your wallet. A https://apollobookmarks.com/story19114248/bip39-passphrase-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained