Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works along with your seed phrase to encrypt and protect your wallet. A https://socialfactories.com/story4946195/bip39-list-https-linktr-ee-bip39-5-essential-elements-for-bip-39