Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of safety to your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://naturalbookmarks.com/story19105030/bip39-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work