Bip39 validator https://edgargvkh682.theburnward.com/a-novice-s-overview-to-getting-a-bip39-mnemonic-expression Checksum generation: A checksum is generated from this entropy employing SHA-256 hashing, which can help confirm the mnemonic's integrity later. For words that only have three letters, there is no 4th letter. By way of example with the word “add”, there isn't any extra lette... https://bookmarkingalpha.com/story20066662/bip39-add-private-key-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7