Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of stability for your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, https://worldlistpro.com/story20844506/bip39-generator-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained