Bip39 Compliant. 249192D2). This 8-character string is unique to this wallet and its passphrase. This tends to serve as a warning on subsequent periods as it will not match your recorded fingerprint When you've got a typo as part of your passphrase. These words are pulled from a selected list https://checkbookmarks.com/story4140434/bip39-alternative-the-2-minute-rule-for-seed-phrase-generator-and-balance-checker