Bip39 ian coleman https://postheaven.net/tiablexcen/recognizing-the-duty-of-bip39-in-copyright-budgets Checksum generation: A checksum is created from this entropy utilizing SHA-256 hashing, which helps confirm the mnemonic's integrity later on. For words that have only three letters, there is no 4th letter. One example is While using the word “add”, there are no additional letters Later https://kingslists.com/story21796097/bip39-root-key-rumored-buzz-on-bip39-generator-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw