Bip39 Checksum Failed Some words are shorter than 4 letters, including the word “act”. Other words are lengthier than four letters, including “abstract”. Virtually all men and women create the phrases on paper, but they may be stored in all kinds of other means: remembered, written down within the margin https://esocialmall.com/story4002573/copyright-wallet-seed-phrase-out-of-bip39-the-2-minute-rule-for-seed-phrase-generator