Bip39 release date https://www.bitsdujour.com/profiles/wWbptt Checksum creation: A checksum is produced from this entropy employing SHA-256 hashing, which aids verify the mnemonic's integrity later on. For words that only have 3 letters, there isn't a 4th letter. Such as With all the word “incorporate”, there are no far more letters Later https://yoursocialpeople.com/story6264438/bip39-js-the-single-best-strategy-to-use-for-bip39-recovery-tool-https-linktr-ee-bip39