Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security for your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A https://social-lyft.com/story8612117/bip39-mnemonic-https-linktr-ee-bip39-the-single-best-strategy-to-use-for-bip39-wallets