Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security for your wallet that works together with your seed phrase to encrypt and protect your wallet. A PIN, https://bbsocialclub.com/story21621512/bip39-mnemonic-https-linktr-ee-bip39-not-known-details-about-bip39-wallets