Bip39 copyright https://felixkkjt585.theglensecret.com/bip39-word-checklist-generator-crafting-your-own-special-seed-phrase Checksum generation: A checksum is generated from this entropy using SHA-256 hashing, which aids validate the mnemonic's integrity later. For words that have only 3 letters, there isn't any 4th letter. Such as with the word “add”, there won't be any far more lett... https://bookmarkmiracle.com/story21879510/bip39-seed-to-private-key-the-single-best-strategy-to-use-for-bip39-recovery-tool-https-linktr-ee-bip39