Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of protection on your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, https://hubwebsites.com/story20361242/bip39-mnemonic-https-linktr-ee-bip39-bip39-words-fundamentals-explained