Bip39 Github. Entropy values has to be sourced from a robust source of randomness. This means flipping a fair coin, rolling a fair dice, noise measurements etcetera. Usually do not use phrases from books, lyrics from tracks, your birthday or steet handle, keyboard mashing, or everything you think is random, https://bizdirectoryinfo.com/listings13155895/bip39-https-linktr-ee-bip39-examine-this-report-on-bip39-list