Bip39 specification https://www.sbnation.com/users/typhanhmdy Checksum creation: A checksum is produced from this entropy working with SHA-256 hashing, which aids validate the mnemonic's integrity later on. Every word’s first four figures are one of a kind, allowing for wallets to detect the correct word although only Section of it can be entered. https://ezmarkbookmarks.com/story20632067/bip-39-github-not-known-factual-statements-about-bip39-mnemonic-https-t-me-bip39-chat