Bip39 Checksum. A BIP39 mnemonic sentence is often a set of words (most commonly 12 or 24) that we can easily communicate with far more efficiently than other people that aren't words (bits and numbers as well as like). BIP39's reason in introducing the use of mnemonic words is always https://afundirectory.com/listings13122081/bip39-word-list-pdf-https-linktr-ee-bip39-bip39-passphrase-generator-fundamentals-explained