Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of security to your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A https://bookmarkcolumn.com/story19274365/bip39-wallet-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf