Bip39 o que é https://www.giantbomb.com/profile/blathayqvn/ Checksum generation: A checksum is created from this entropy using SHA-256 hashing, which aids validate the mnemonic's integrity later. For words that only have three letters, there is no 4th letter. One example is With all the word “increase”, there are no additional letters Later https://bookmarkingdelta.com/story20446689/bip39-github-bip39-github-an-overview-https-dzen-ru-bip39-phrase-com