Bip 39. 249192D2). This 8-character string is unique to this wallet and its passphrase. This could certainly serve as a warning on subsequent sessions as it won't match your recorded fingerprint When you have a typo in your passphrase. We welcome contributions from the Group for making Seed Phrase Checker https://finance71594.mysticwiki.com/1101269/the_anatomy_of_the_bip39_phrase_entropy_words_and_phrases_and_protection