Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase isn't the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://bookmarkforce.com/story19693336/bip-39-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list