Bip39 Last Word Checksum Some words are shorter than 4 letters, such as the word “act”. Other words are more time than 4 letters, for example “summary”. Really don't share: Under no circumstances share your seed phrase with anyone. The phrase equates in your personal keys and should be saved https://social-galaxy.com/story4045540/bip39-to-public-key-detailed-notes-on-bip39-phrase