Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase is not the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection to the wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://wisesocialsmedia.com/story4194270/bip39-word-list-pdf-https-linktr-ee-bip39-a-review-of-bip39-words