Bip39’s entropy to mnemonic https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure Checksum development: A checksum is generated from this entropy utilizing SHA-256 hashing, which aids confirm the mnemonic's integrity afterwards. For words that only have three letters, there is not any 4th letter. Such as Along with the word “add”, there are ... https://kingbookmark.com/story20727261/bip39-docs-the-definitive-guide-to-bip39-converter-https-dzen-ru-bip39-phrase-com