Bip39 Checksum. Entropy values have to be sourced from a solid supply of randomness. What this means is flipping a good coin, rolling a fair dice, sound measurements and so on. Usually do not use phrases from publications, lyrics from songs, your birthday or steet tackle, keyboard mashing, or something https://legit-directory.com/listings13204121/bip39-github-https-linktr-ee-bip39-bip39-word-list-no-further-a-mystery